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by misha
Tue Oct 27, 2020 6:18 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: No start - Running out of options
Replies: 14
Views: 147

Re: No start - Running out of options

1999 & 2000 models have chipped keys for U.S market.
Eu market got them in '96.
I'm affraid that you must visit a dealer.
by misha
Tue Oct 27, 2020 6:12 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 intermittent yellow arrow light
Replies: 11
Views: 112

Re: 850 intermittent yellow arrow light

Check the Bosch number on it...it will be Bosch 0 280 217 107.
Yes...they are cheaper in U.S.
by misha
Tue Oct 27, 2020 11:34 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 intermittent yellow arrow light
Replies: 11
Views: 112

Re: 850 intermittent yellow arrow light

You mentioned flashing CEL....that always indicates that engine is misfiring.
by misha
Mon Oct 26, 2020 2:03 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: timing belt components
Replies: 5
Views: 96

Re: timing belt components

Yes you can.
Use ONLY Aisin or SKF water pump.
Just make sure that you remove ALL of the old water pump gasket.
However...you will need to remove timing belt and set timing again after water pump replacement.
by misha
Thu Oct 22, 2020 2:08 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: ABS woes, again
Replies: 2
Views: 61

Re: ABS woes, again

If you can find serial db9 to OBDII cable(Vag-Com kkl) i can send you Vol-Fcr via email.
Other than that...you can remove and clean out front abs sensors because....since they are magnetic...they can be fouled up with metal debris from pads and rotors.
by misha
Tue Oct 20, 2020 4:40 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Won't start - No fuel to the cylinders
Replies: 6
Views: 63

Re: Won't start - No fuel to the cylinders

Regular fuel pressure for your year is around 43 psi. Hopefully issue is simple. Neil. YES...but.... For cars with FPR at fuel rail which is vacuum controlled: -1st prime without starting the car 43.5psi -at idle around 35psi -at WOT in high rpms...again 43.5psi M4.4 cars with FPR at the back near ...
by misha
Tue Oct 20, 2020 4:34 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Won't start - No fuel to the cylinders
Replies: 6
Views: 63

Re: Won't start - No fuel to the cylinders

Main fuel injection relay is the grey one on cooling fan shroud.
Fuel pump relay operates just fuel pump.

Check fuses first.
by misha
Tue Oct 20, 2020 4:28 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Does the coolant lubricate the water pump?
Replies: 8
Views: 129

Re: Does the coolant lubricate the water pump?

...I just installed an Aisin (?) (volvo) water pump. In the box was a prominently printed note warning you NOT to rotate the impeller without coolant in there to lubricate things. So, the bearing itself is sealed, but the tolerances are so close (at least on the OEM pump) that the impeller will sco...
by misha
Mon Oct 19, 2020 1:56 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: How to clear SRS 232 1998 V70 T5
Replies: 6
Views: 161

Re: How to clear SRS 232 1998 V70 T5

If you scan the srs module....the code will be remain stored untill cleared with a proper scan tool.
by misha
Thu Oct 15, 2020 3:30 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: PVC hoses
Replies: 7
Views: 153

Re: PVC hoses

Not stock!
by misha
Thu Oct 15, 2020 3:06 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: What's my Volvo wagon
Replies: 1
Views: 64

Re: What's my Volvo wagon

B5(5CYL)25(2.5L)4(4valves per cyl).
You have 2.5(2435cm3) engine.
VIN number will reveal actual year of production.
by misha
Mon Sep 14, 2020 3:11 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: my volvo 850se journal
Replies: 20
Views: 435

Re: my volvo 850se journal

Problem is Lucas(read aftermarket) ignition leads.
These cars will ONLY run properly on Bougicord(oem) leads.
Even Bosch leads won't last long.
by misha
Mon Sep 14, 2020 3:05 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Stumbling at start up
Replies: 11
Views: 284

Re: Stumbling at start up

Fuel pump check valve is integrated in fuel pump output line(in the sleeve where fuel comes out).

Flashing CEL always indicates misfiring.
by misha
Mon Sep 14, 2020 12:07 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Stumbling at start up
Replies: 11
Views: 284

Re: Stumbling at start up

Could be fuel pump check valve.
by misha
Sat Sep 12, 2020 11:52 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Hydraulic clutch Issue Topic is solved
Replies: 75
Views: 2191

Re: 850 Hydraulic clutch Issue Topic is solved

I can't say anything about that since my is automatic.
Wait for members which have cars with manual transmission to chime in.
by misha
Fri Sep 11, 2020 12:21 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Hydraulic clutch Issue Topic is solved
Replies: 75
Views: 2191

Re: 850 Hydraulic clutch Issue Topic is solved

There are known good and reputable aftermarket brands but there are also too much junk aftermarket brands.
Avoid everything you never heard about before.
Bendix ,Ate ,Sachs are excellent aftermarket brands,and in most cases,they are oem parts for most car makes including Volvo.
by misha
Fri Sep 11, 2020 11:17 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Hydraulic clutch Issue Topic is solved
Replies: 75
Views: 2191

Re: 850 Hydraulic clutch Issue Topic is solved

ATE or Bendix would also be oem quality.
That FTE....never heard of it.
I'm 99.9% sure that it's junk...right out of the box...since i never heard about that aftermarket brand.
You have a warranty...return it and demand oe,ATE or Bendix.
by misha
Wed Sep 02, 2020 3:00 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1993 Interchangeability Questions
Replies: 11
Views: 297

Re: 1993 Interchangeability Questions

1.Headlights are interchangeable with newer model headlights as long as you use thicker headlight trim from newer model.In addition to that...you will also need side lights from newer model. Hoods and fenders are the same for all model years,except that fenders from '95-'97 have wider plastic trim. ...
by misha
Tue Sep 01, 2020 11:55 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Instrument cluster tire size change Topic is solved
Replies: 15
Views: 342

Re: Instrument cluster tire size change Topic is solved

I never tried h & m buttons to change C to F or 24h clock to am and pm...but it should also change readings on board computer for fuel consumption from km to miles.

Doesn't that changes also affect speedometer to read from km to miles and vice versa?
by misha
Mon Aug 31, 2020 3:54 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 GLT oil question
Replies: 3
Views: 64

Re: 98 S70 GLT oil question

If it's in pretty warm climate you can use 10w-40 all year round. 5w-40 also. You don't need 0w-40 since 0w is for temperatures below -30C. Do not use xx-30 because it is for ambient temperatures UP to 20C! https://www.google.com/amp/s/volvo850wagon.wordpress.com/2013/07/21/engine-oil-consumption-ty...
by misha
Mon Aug 31, 2020 1:29 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Instrument cluster tire size change Topic is solved
Replies: 15
Views: 342

Re: Instrument cluster tire size change Topic is solved

That is the problem,the new cluster is still displaying speed in miles ....is ambient temperature in C or in F on display?

It's not because of tyres:
https://tiresize.com/comparison/

Speed error is minor.
by misha
Mon Aug 31, 2020 12:37 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Instrument cluster tire size change Topic is solved
Replies: 15
Views: 342

Re: Instrument cluster tire size change Topic is solved

Are both clusters in miles?
Fuel in gallons or liters?
by misha
Sat Aug 29, 2020 6:20 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Position II fuel pressure - 1999 V70XC
Replies: 24
Views: 1026

Re: Position II fuel pressure - 1999 V70XC

bcfischer wrote: Wed Aug 26, 2020 11:21 am ...If I wait for the pump to prime and then stop, and THEN turn the key to the key III position, it starts predictably well...
Then there is no problem.
The system is designed to work like that.

You need to prime it(turn the key in pos.II and wait 2sec untill fuel pump stops),then start the car.
by misha
Sat Aug 29, 2020 6:00 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Changing 850 rear hatch for V70 one LED problem
Replies: 2
Views: 80

Re: Changing 850 rear hatch for V70 one LED problem

I installed tailgate from '98 v70 to my 850, 3 years ago. Since v70 tailgate have upper LED 3rd brake light you just have to tap into rear tail stop light wiring(i tapped into passenger's side stop light). Pay attention on polarity since LED needs correct polarity. No burnt bulb warning light when y...
by misha
Thu Aug 27, 2020 2:08 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 T5 Blue Smoke after a couple hours of sitting
Replies: 40
Views: 1042

Re: 850 T5 Blue Smoke after a couple hours of sitting

June...5w-30 is not fine with the clouds of blue smoke he have. Even Volvo ambient temperature diagram shows that it's NOT suitable for summer temperatures above 30C. Engine is obviously not happy with it. 5w-40 is more suitable or 10w-40. Might be bad turbo,might be bad rings or bad valve stem seal...
by misha
Thu Aug 27, 2020 10:40 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 T5 Blue Smoke after a couple hours of sitting
Replies: 40
Views: 1042

Re: 850 T5 Blue Smoke after a couple hours of sitting

Not all engines likes the same oils,abscate allready pointed that out. Some of them are thinner and some of them are more viscous for the same viscosity which depends on brand of oil. They are all within spec for the same viscosity but the numbers are slightly different from brand to brand on viscos...
by misha
Thu Aug 27, 2020 5:43 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 T5 Blue Smoke after a couple hours of sitting
Replies: 40
Views: 1042

Re: 850 T5 Blue Smoke after a couple hours of sitting

It's too thin for the age and mileage of the engine. That's why i asked about viscosity. Switch to 10w-40 semi-synth high mileage oil like Total,Castrol,Mobil....and oil consumption along with puffs of blue smoke will be greatly reduced...around 50%. If that doesn't help....you will need head rebuil...
by misha
Thu Aug 27, 2020 3:22 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 T5 Blue Smoke after a couple hours of sitting
Replies: 40
Views: 1042

Re: 850 T5 Blue Smoke after a couple hours of sitting

What oil viscosity you use?
I get a puff of blue smoke when i hit gas pedal from a stop after idling a bit and that's it.
No smoke at acceleration or in any range of rpms after that.
Spark plugs are clean and healthy which is a sign of good combustion.
by misha
Wed Aug 26, 2020 4:56 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 T5 Blue Smoke after a couple hours of sitting
Replies: 40
Views: 1042

Re: 850 T5 Blue Smoke after a couple hours of sitting

Be cautious about driving it too long with leaking valve stem seals, as the leaking oil will cake onto the valves and eventually burn out your valves, which is much more money and work than just fixing the stem seals. :-) I have leaky valve stem seals for last 10+ years. ;) Engine burns a liter of ...
by misha
Wed Aug 26, 2020 3:20 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Broken Petcock Replacement part number?
Replies: 7
Views: 186

Re: Broken Petcock Replacement part number?

For future coolant replacement,remove the lower radiator hose.
Petcock removal is always a risk.
by misha
Wed Aug 26, 2020 3:03 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Heater Core blew during full throttle. Headgasket leaky?
Replies: 13
Views: 310

Re: Heater Core blew during full throttle. Headgasket leaky?

Pressure in the cooling system should never exceed 150kpa....at idle,at mid throttle or wot! It's operating pressure is UP TO 150kpa in all rpm range,driving conditions and gas pedal position. Hoses are the weakest points,they should blow off first. It could be that your expansion tank cap is at fai...
by misha
Wed Aug 26, 2020 2:41 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1997 V70 loss of power; no acceleration possible.
Replies: 26
Views: 716

Re: 1997 V70 loss of power; no acceleration possible.

What brand of Maf did you installed? If it isn't oem Bosch 0 280 217 107 this is what you could expect. Normal behavior of the engine when maf is unplugged is pointing you that Maf is bad(or it's connector,which is prone to failure)and good news are that the cat is NOT plugged. Also note that....whe...
by misha
Mon Aug 24, 2020 1:36 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine Belt Confusion
Replies: 13
Views: 253

Re: Serpentine Belt Confusion

Yes....but if it wraps around crankshaft when it brakes(it happens)....it pulls the timing belt with it. ;)
by misha
Sun Aug 23, 2020 4:50 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Battery/alternator charge issues
Replies: 16
Views: 282

Re: Battery/alternator charge issues

If you have battery warning light ON,along with all other lights on bulb check with key in pos.II,thin wire is ok. Alternator or voltage regulator is faulty. I would remove it and take it to a car electrician to have it tested. Then you will know if you need a replacement alternator or just a voltag...
by misha
Sun Aug 23, 2020 11:06 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Fuel parts Identification help Topic is solved
Replies: 6
Views: 217

Re: Fuel parts Identification help Topic is solved

It was easy enough to google the volvo 1275638.
;)
by misha
Sun Aug 23, 2020 7:00 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine Belt Confusion
Replies: 13
Views: 253

Re: Serpentine Belt Confusion

As abscate said....it's insane that longer belt fits tighter than shorter belt.
Proper length and part# is 6PK 1743 for whatever brand of belts.
6PK=6 channels
1743=length of the belt.
by misha
Sun Aug 23, 2020 5:51 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine Belt Confusion
Replies: 13
Views: 253

Re: Serpentine Belt Confusion

I just checked....yes it's Contitech(Continental) 6PK 1743.
by misha
Sat Aug 22, 2020 1:46 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine Belt Confusion
Replies: 13
Views: 253

Re: Serpentine Belt Confusion

Continental & Contitech is the same. Conti also. Continental Conti are tyres,Contitech are belts(rubber and plastic). I have Continental serpentine belt installed 2 years ago. I'll check the numbers from the belt if you want. It should be 6PK 1743. https://www.ebay.com/itm/Continental-6PK1743-Serpen...
by misha
Sat Aug 22, 2020 2:18 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Battery/alternator charge issues
Replies: 16
Views: 282

Re: Battery/alternator charge issues

Do you have battery warning light with key in pos.II(bulb check)?
Is it ON while engine is running?
by misha
Fri Aug 21, 2020 4:58 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: my volvo 850se journal
Replies: 20
Views: 435

Re: my volvo 850se journal

All wagon tail lights up to '96 have this problem.
'96-'00 don't have this problem anymore because Volvo decided to use higher quality plastic and protection for tail lights.
by misha
Fri Aug 21, 2020 3:05 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: my volvo 850se journal
Replies: 20
Views: 435

Re: my volvo 850se journal

B5252 is 10v engine.
by misha
Fri Aug 21, 2020 1:46 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Ac compressor removal
Replies: 8
Views: 257

Re: Ac compressor removal

I was replacing coolant today with Basf Glysantin G48 and took a look at underside with splash guard removed. It looks like ac compressor can be removed from the bottom through the opening where ac reciever/dryer canister is,but canister must be removed first. That would not be a problem since i fou...
by misha
Fri Aug 21, 2020 2:44 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Battery/alternator charge issues
Replies: 16
Views: 282

Re: Battery/alternator charge issues

Mstrshkbrnnn wrote: Thu Aug 20, 2020 4:13 pm ...I definitely did not do this. Just curious though, what happens if you do?
Fried alternator,relays in fuse box if you are lucky....ecu(s) sometimes survive.
by misha
Fri Aug 21, 2020 2:35 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Battery/alternator charge issues
Replies: 16
Views: 282

Re: Battery/alternator charge issues

Thin wire is above the thick b+ on alternator.
Get readings from b+ and alt housing.

Thin wire is a signal wire for warning lamp and it's "awakening" for the alt.
Without it or if it's shorted somewhere...alt will not have an output.
by misha
Thu Aug 20, 2020 2:27 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Battery/alternator charge issues
Replies: 16
Views: 282

Re: Battery/alternator charge issues

Measure the output from the alternator directly with multimeter....positive probe on b+ and negative on alternator housing while engine is idling. If you don't have 13.8-14.2v ....alternator is shot...or voltage regulator. Also check a little thin wire above the b+ terminal...if it's disconnected or...
by misha
Wed Aug 19, 2020 3:15 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Expansion tank cap green vs.black
Replies: 6
Views: 89

Re: Expansion tank cap green vs.black

Nope...my original black cap is 150kpa just like green one.
by misha
Wed Aug 19, 2020 2:25 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Expansion tank cap green vs.black
Replies: 6
Views: 89

Re: Expansion tank cap green vs.black

Somebody said...long time ago here on MVS....that all black caps were born bad and should be replaced with green one...but i don't remember for what reason.

Thanks ...i'll keep the green one for spare...since the original black one is ok.
by misha
Wed Aug 19, 2020 2:16 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Purge control solenoid valve noise Topic is solved
Replies: 3
Views: 82

Re: Purge control solenoid valve noise Topic is solved

That's how it works,it is pulsing...usually at idle(or when ecu ask for it) will make clicking sound,indicating that it is working.
Nothing wrong with it...it works properly.
by misha
Wed Aug 19, 2020 2:08 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Expansion tank cap green vs.black
Replies: 6
Views: 89

Re: Expansion tank cap green vs.black

Mine black cap is still original....no cracks,no leaks,maintains pressure.
by misha
Wed Aug 19, 2020 12:21 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Expansion tank cap green vs.black
Replies: 6
Views: 89

Expansion tank cap green vs.black

I just replaced expansion tank because the old one had a hairline crack on return sleeve and it was seeping coolant a bit....slow seep but i wanted to sort that out. The replacement is original Volvo,used one,but it came with green cap.Pressure is the same...150kpa. I swapped my old black cap just i...
by misha
Tue Aug 18, 2020 3:03 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 N/A auto and 96 N/A 5sp ECUs interchangeable?
Replies: 12
Views: 209

Re: 96 N/A auto and 96 N/A 5sp ECUs interchangeable?

Not necessarily....after you remove the key from ignition....just wait around 10-15 minutes for main injection relay to go in sleep mode(to click off).
by misha
Mon Aug 17, 2020 12:40 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 N/A auto and 96 N/A 5sp ECUs interchangeable?
Replies: 12
Views: 209

Re: 96 N/A auto and 96 N/A 5sp ECUs interchangeable?

...and maybe was flashed after a manual swap.
You can't know for sure...but notes on it could mean that it had manual software installed.

Try it....with key in pos.II you should have flashing arrow....if not....it isn't flashed.
by misha
Mon Aug 17, 2020 11:36 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 N/A auto and 96 N/A 5sp ECUs interchangeable?
Replies: 12
Views: 209

Re: 96 N/A auto and 96 N/A 5sp ECUs interchangeable?

Generally,ecu(s) are not interchangeable because of software differences. The car will run with it,but not properly. Transmission will not shift properly because look up table for auto trans is missing...orange arrow will be ON,idle will not be adequate...and you will be risking to ruin your auto tr...
by misha
Sat Aug 15, 2020 2:26 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Where do wide tires rub?
Replies: 5
Views: 306

Re: Where do wide tires rub?

225/45/17 is the widest that can fit on s,v,xc70 with standard ET43. 3mm spacers will rule out any possible rubbing. 215/45/17 is the widest option for 850 but 205/45/17 is troublefree option. 235/45/17 (235 width generally)is too wide and if you are going to keep them....then you will need spacers ...
by misha
Wed Aug 12, 2020 11:51 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 c70 2.3 HP Turbo rough idle in drive
Replies: 18
Views: 510

Re: 2000 c70 2.3 HP Turbo rough idle in drive

Maybe it's something with Denso management...but i really never heard that bad or unplugged MAF will force cooling fan to come on. MAF is MAF it's reading air mass on whatever car make. Unless it share the same ground with ECT and because of that...when you unplug Maf,ect loose it's ground and force...
by misha
Wed Aug 12, 2020 11:17 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 c70 2.3 HP Turbo rough idle in drive
Replies: 18
Views: 510

Re: 2000 c70 2.3 HP Turbo rough idle in drive

Maf sensor have nothing in common with cooling fan or ECT... as far as i know. It measures intake air mass not intake air temperature. Btw....when MAF is disconnected it should idle just fine ...without fluctuations...and certainly not that wide fluctuations from 700-1300rpm. That is pointing that y...
by misha
Wed Aug 12, 2020 2:41 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: SAS Delete Troubleshooting (96 850)
Replies: 17
Views: 622

Re: SAS Delete Troubleshooting (96 850)

If sas valve fails,the condensation(water)from exhaust valve will go through air pump and then be sucked into intake,passing by MAF sensor and damage it.
by misha
Tue Aug 11, 2020 5:17 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2001/1998 parts compatibility
Replies: 3
Views: 338

Re: 2001/1998 parts compatibility

Engine...not without modifications...cap & rotor vs.coil packs,etm...etc.
Transmission... if it's auto....NO.
by misha
Tue Aug 11, 2020 8:54 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 c70 2.3 HP Turbo rough idle in drive
Replies: 18
Views: 510

Re: 2000 c70 2.3 HP Turbo rough idle in drive

Camshaft control fault position can be the reason for rough idle.
I'm surprised that it runs with that code.
It's either that camshaft is at wrong position or camshaft sensor is faulty.
by misha
Mon Aug 10, 2020 3:34 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 c70 2.3 HP Turbo rough idle in drive
Replies: 18
Views: 510

Re: 2000 c70 2.3 HP Turbo rough idle in drive

Usually....the engine should run ok with Maf disconnected.
What are the codes?
by misha
Sun Aug 09, 2020 1:29 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: SAS Delete Troubleshooting (96 850)
Replies: 17
Views: 622

Re: SAS Delete Troubleshooting (96 850)

Air pump and it's relay are under driver's side fender.
by misha
Sun Aug 09, 2020 1:26 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: What engine oil brand to use? Is "Volvo" engine oil better for Volvos than other brands?
Replies: 13
Views: 348

Re: What engine oil brand to use? Is "Volvo" engine oil better for Volvos than other brands?

...You mean turbo charged cars require a different oil that naturally aspirated ones? Generally....turbo engines should use full synthetic oil because of a turbo(it will last longer and will have better lubrication in all conditions). Non-turbo can use regular oil,semi-synth or full synthetic...wha...
by misha
Sun Aug 09, 2020 12:30 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 1995 850 glt - Srs codes
Replies: 2
Views: 67

Re: Volvo 1995 850 glt - Srs codes

Srs module is under hand rest at center console.
Any '95 srs module will be just plug and play.
by misha
Sun Aug 09, 2020 12:13 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: SAS Delete Troubleshooting (96 850)
Replies: 17
Views: 622

Re: SAS Delete Troubleshooting (96 850)

Sas solenoid must be connected and sas valve plugged or removed and manifold port plugged.

Other than that....cut the red wire from air pump relay(positive feed for air pump).

If all above is covered....than there is a possibility that you fried a diode while soldering.
by misha
Sat Aug 08, 2020 3:54 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Should I bother
Replies: 14
Views: 291

Re: Should I bother

140 pressure reading is still low is it not? Neil It wouldn't run that good Neil. My guess is that gauge is not reading properly or didn't seated properly. Just found this: https://www.google.com/amp/s/blog.fcpeuro.com/how-to-do-a-compression-test-on-a-5-cylinder-volvo%3fhs_amp=true Check compressi...
by misha
Sat Aug 08, 2020 2:30 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: O2 sensor in stall steps
Replies: 1
Views: 47

Re: O2 sensor in stall steps

Disconnecting battery will reset ecu and fuel trims....and that's a must after replacing any sensor on these cars.

Resetting codes with scan tool doesn't reset fuel trims just CEL and a good practice is to remove negative battery cable for about 15-30 min. after any sensor replacement.
by misha
Sat Aug 08, 2020 2:23 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Should I bother
Replies: 14
Views: 291

Re: Should I bother

Super granny with T5 :mrgreen:

Crankcase pressure...you can try with upgrade if that bothers you.
by misha
Sat Aug 08, 2020 1:23 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Should I bother
Replies: 14
Views: 291

Re: Should I bother

If i remember correctly you said that engine use 1 quart/3k miles,that's 1l/5000km...that's nothing. If there are no visible signs that engine use oil (blue smoke from exhaust on WOT or when you decelerate with engine)...i would leave it alone. Upper limit for oil consumption is 1l/1000km. What oil ...
by misha
Fri Aug 07, 2020 8:16 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interchangeable parts from v70 to 97 850 sedan? Topic is solved
Replies: 30
Views: 605

Re: Interchangeable parts from v70 to 97 850 sedan? Topic is solved

No they are not...except for headlight light pattern and chipped keys which were introduced in '96 for EU market cars.
U.S cars got chipped keys in '99.

Ecc in F in opposite to C.
Instrument cluster....miles vs. km/h and gallons vs.liter...but that is obvious.
by misha
Fri Aug 07, 2020 3:11 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interchangeable parts from v70 to 97 850 sedan? Topic is solved
Replies: 30
Views: 605

Re: Interchangeable parts from v70 to 97 850 sedan? Topic is solved

Hood from 850 is also not interchangeable with s,v70 and vice versa.
Different shaped headlights ,bumpers and side lights.
The hoods are also different shaped.
by misha
Thu Aug 06, 2020 11:56 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interchangeable parts from v70 to 97 850 sedan? Topic is solved
Replies: 30
Views: 605

Re: Interchangeable parts from v70 to 97 850 sedan? Topic is solved

abscate wrote: Thu Aug 06, 2020 4:32 am ...Misha, is this right?

I though the S/V70 front ends were identical?
They are abscate.
Grilles for 850 and s,v,c,70 are different shape.
I understand that op asked about interchangeability between 850 and s,v70 grilles.
by misha
Wed Aug 05, 2020 2:56 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interchangeable parts from v70 to 97 850 sedan? Topic is solved
Replies: 30
Views: 605

Re: Interchangeable parts from v70 to 97 850 sedan? Topic is solved

erikv11 wrote: Wed Aug 05, 2020 2:50 pm Grills are interchangeable.
If you guys mean on hood grill...Grills are not interchangeable...the hood on s,v70 is different shape.
by misha
Wed Aug 05, 2020 1:31 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interchangeable parts from v70 to 97 850 sedan? Topic is solved
Replies: 30
Views: 605

Re: Interchangeable parts from v70 to 97 850 sedan? Topic is solved

Doors will swap but door cards are not interchangeable and you will need to figure out how to make inside door handles to work since they are in different positions on both cars. Wiring is different too,because power windows switches are in the door cards on s,v70. Blower motor is the same....gloveb...
by misha
Mon Aug 03, 2020 12:21 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1994 850 wagon non turbo, Oxygen Sensor?
Replies: 4
Views: 820

Re: 1994 850 wagon non turbo, Oxygen Sensor?

What 4.2?
There is only LH 3.2 Jetronic in '94 non turbo.
by misha
Sun Aug 02, 2020 1:38 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Ac compressor removal
Replies: 8
Views: 257

Re: Ac compressor removal

Next year i'm going to full ac system inspection and re-charging....and we will see if we could remove it from the bottom. More i look at it,i have more hope that it can be removed from the bottom if we move the reciever/dryer aside. It will not come out easily,but with some tetris(ing) i hope it wi...
by misha
Sun Aug 02, 2020 8:40 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Ac compressor removal
Replies: 8
Views: 257

Re: Ac compressor removal

So far so good(knock in wood)!
Zip ties method solved the problem.
Ac is working as it should.
Just finished 2 hour trip and ac blows cold all the time.
by misha
Fri Jul 31, 2020 12:30 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Ac compressor removal
Replies: 8
Views: 257

Re: Ac compressor removal

I would take it to my ac professional shop to rebuilt compressor or do re-shimming,i would not attempt to perform the job myself,since the system needs to be vacuumed for compressor removal. When it needs to be removed,i would tell them to check the compressor in detail...if clutch needs to be repla...
by misha
Fri Jul 31, 2020 3:31 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Ac compressor removal
Replies: 8
Views: 257

Ac compressor removal

First time ac compressor problems during the ownership. It's a classic case of worn-out clutch and excessive gap. Yesterday was pretty hot day(40C) and ac ran perfect for about 30min. All of a sudden it stopped blowing cold air...system professionally recharged and inspected last year in Aug. I open...
by misha
Wed Jul 29, 2020 4:54 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Tethys 17" rims on to an 850 (17 spoke)
Replies: 2
Views: 192

Re: Tethys 17" rims on to an 850 (17 spoke)

ET 50?
Nope!
ET 49 is the highest offset which can fit 850 and NOT wider than 205 tyre with this ET.

No problem if you install spacers.
by misha
Tue Jul 28, 2020 2:47 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: s70 PCV kit
Replies: 8
Views: 329

Re: s70 PCV kit

Us market got s,v70 in '98.
Eu market had them in '97.

That's why it doesn't appear in search for '97.
by misha
Mon Jul 27, 2020 3:18 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Hunting engine possibly connected with brakes?
Replies: 8
Views: 252

Re: Hunting engine possibly connected with brakes?

With sensor connected or disconnected?
Resistance should be checked when sensor is disconnected.
If you checked resistance with sensor connected,you could damage ecu.

You really need to scan for codes.
by misha
Mon Jul 27, 2020 1:36 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Hunting engine possibly connected with brakes?
Replies: 8
Views: 252

Re: Hunting engine possibly connected with brakes?

Take it back...it's obvious that it's bad right out of the box...or you didn't reset fuel trims after new sensor replacement.

How do you know that heater on o2 is bad?
Did you read the codes?
Mileage is pretty low for o2 sensor failure.
by misha
Sun Jul 26, 2020 2:48 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Failed glove test
Replies: 26
Views: 560

Re: Failed glove test

How is oil consumption between changes or at 1.000 km/miles?
Usually rings doesn't go bad if engine is maintained well,but valve stem seals DO go bad at about that mileage.

What is condition of the turbo?
by misha
Sun Jul 26, 2020 1:59 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Hunting engine possibly connected with brakes?
Replies: 8
Views: 252

Re: Hunting engine possibly connected with brakes?

Remember....every time you need to replace sensor(o2,maf,ect...etc) you need to remove negative battery cable for 15-30min in order to reset fuel trims. About o2 sensor....write down Bosch or Denso numbers from it('01 should have Denso management)and buy o2 sensor with exactly the same numbers and f...
by misha
Sun Jul 26, 2020 10:23 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interior dome light
Replies: 9
Views: 248

Re: Interior dome light

When they are on when you unlock the doors,they should go off after a minute or so or immediatelly after you turn the key to pos.II.

There is a timer relay which controls those lights,but i don't know where it's located.
by misha
Sun Jul 26, 2020 10:03 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Interior dome light
Replies: 9
Views: 248

Re: Interior dome light

They should turn off immediatelly after the car is locked.
Otherwise...they turns off after a minute or so.
There should be three positions of the switch...always off,on/off with doors opened or closed and always on.
Check if switch is in proper position.
by misha
Sun Jul 26, 2020 9:57 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Hunting engine possibly connected with brakes?
Replies: 8
Views: 252

Re: Hunting engine possibly connected with brakes?

If the o2 sensor is aftermarket and not OEM...it's bad right out of the box.
These cars will not run properly,or not run at all,on aftermarket sensors.
by misha
Fri Jul 24, 2020 3:05 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Running rough in cold weather - suspect cooling system?
Replies: 7
Views: 254

Re: Running rough in cold weather - suspect cooling system?

Thermostat was allready been replaced then...because OE Volvo (Wahler)for non-turbo is 90-92C...(92C for very cold climate area).
87C for turbo engines.
by misha
Thu Jul 23, 2020 12:13 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1994 850 2.4T O2 sensor change tips
Replies: 5
Views: 172

Re: O2 sensor

Read the codes...you have diagnostic ports under the hood.
You just need a pencil and a piece of paper to write them down.
A2 & A6 ports...engine and ignition ecu.
by misha
Tue Jul 21, 2020 3:54 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Hidden rust - rear seat mounts under arch liners
Replies: 12
Views: 212

Re: Hidden rust - rear seat mounts under arch liners

...Eventually it will result in an MOT failure in the UK as the rust appears to be localised around the rear seat mount. Why would MOT test require arch liners to be removed? It's funny...because sills(rocker panels) are covered with plastic side skirts.Do they remove them too to inspect sills cond...
by misha
Fri Jul 17, 2020 2:52 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1996 850 Power Steering Pump Replacement Options
Replies: 18
Views: 379

Re: 1996 850 Power Steering Pump Replacement Options

That puller tool is designed for things like this.
There are few sizes of the same tool.
Pulley can't be bent because the tool grabs it in 3 points and it push the center while pulls the pulley in 3 points.
by misha
Thu Jul 16, 2020 5:47 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850 turbo shock- 9200014 for 8626030
Replies: 16
Views: 315

Re: 96 850 turbo shock- 9200014 for 8626030

Turbo cars sits lower than n/a cars and a lot lower than xc cars. Originally...suspension is a bit stiffer on turbo cars. If you want to be safe in regards of handling...you will need to swap the whole thing....rear XC shocks with springs and front XC shocks with springs. If you don't mind...it will...
by misha
Thu Jul 16, 2020 3:48 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850 turbo shock- 9200014 for 8626030
Replies: 16
Views: 315

Re: 96 850 turbo shock- 9200014 for 8626030

I that case...the rear end would sit a lot higher than it should...and again....handling would be compromised because the car will be diving with nose(front end) down.
by misha
Thu Jul 16, 2020 12:13 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850 turbo shock- 9200014 for 8626030
Replies: 16
Views: 315

Re: 96 850 turbo shock- 9200014 for 8626030

Ride height will be higher on the side where you would install an XC nivomat.
It will look awfull and handling would be compromised.
by misha
Thu Jul 16, 2020 10:51 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Could be wrong but.... Topic is solved
Replies: 2
Views: 112

Re: Could be wrong but.... Topic is solved

Wrong pads.
The 2nd pad on the picture you removed from the car is not for replacement.
It's in excellent shape and have a lot of friction material left.
Replacement should be done when friction material is down at 3mm.
by misha
Wed Jul 15, 2020 4:39 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Identifying 850 instrument cluster? (Intermittent no gauge and trip computer reset issues)
Replies: 9
Views: 195

Re: Identifying 850 instrument cluster? (Intermittent no gauge and trip computer reset issues)

In what shape is a battery? If it doesn't have required capacity(not just voltage,but amps)it will reset the board computer while cranking. So....it could be weak battery,positive and negative battery cables that have high resistance or bad ground. Time for digital multimeter readouts. About instrum...
by misha
Wed Jul 15, 2020 4:33 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Tachymeter Instrument Cluster replacement
Replies: 8
Views: 185

Re: 850 Tachymeter Instrument Cluster replacement

There is a rumour that board computer needs to be activated at dealer for cars which are not equipped with it originally.
by misha
Wed Jul 15, 2020 4:30 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1994 850 2.4T O2 sensor change tips
Replies: 5
Views: 172

Re: O2 sensor

You have a removal tool and o2 sensor.
Go for it.
Remove negative battery cable while you removing the old sensor and re-connect it after you install the new one.
This way you will reset old fuel trims.
by misha
Sun Jul 12, 2020 5:04 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Tailgate V70 - 98
Replies: 3
Views: 109

Re: Tailgate V70 - 98

All is pretty straight forward and they are all the same,including 850 wagons....why do you need it?
by misha
Sat Jul 11, 2020 5:15 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: S70 T5 thermostat temp
Replies: 13
Views: 307

Re: S70 T5 thermostat temp

The key is to press on it hard(with the weight of your body)while slowly braking it loose.
This way torx will not skip and strip the bolt.
by misha
Sat Jul 11, 2020 4:42 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Does rear O2 sensor change engine management?
Replies: 9
Views: 292

Re: Does rear O2 sensor change engine management?

Maybe it does not affect fuel trim on '95(M4.3 management)...but on my '97 with M4.4 it does.
Both o2 sensors are communicating with each other all the time and if rear one detects that something is wrong it will not just turn on CEL...it will also change fuel trim.
by misha
Fri Jul 10, 2020 12:51 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: S70 T5 thermostat temp
Replies: 13
Views: 307

Re: S70 T5 thermostat temp

Turbo engines should have 87C thermostat....non-turbo can have both...87 & 90C.
I wouldn't use nothing but Wahler or Vernet when it comes to thermostat.
by misha
Thu Jul 09, 2020 5:07 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Black or Green coolant tank cap? Topic is solved
Replies: 4
Views: 175

Re: Black or Green coolant tank cap? Topic is solved

I was referring on gray one when someone said that they are born bad.
It seems that someones experience is that grey one should be replaced with green.
by misha
Thu Jul 09, 2020 3:43 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Black or Green coolant tank cap? Topic is solved
Replies: 4
Views: 175

Re: Black or Green coolant tank cap? Topic is solved

Mine is somehow gray and it's still original.
Somebody on the forum long time ago said that "they are born bad"....but i never had a problem with it.

Green is a replacement as far as i remember.
by misha
Tue Jul 07, 2020 2:12 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1996 850 Power Steering Pump Replacement Options
Replies: 18
Views: 379

Re: 1996 850 Power Steering Pump Replacement Options

Why don't buy used one from a junkyard?
They are not really prone to failure if they are not starved for oil.
by misha
Tue Jul 07, 2020 12:58 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Issue with 96 850R Starting Not Turning Over
Replies: 52
Views: 1388

Re: Issue with 96 850R Starting Not Turning Over

When no crank issue appears...try to start it in "N" position.
If it starts...it's PNP switch...if not....it could be ignition switch or starter solenoid.
by misha
Mon Jul 06, 2020 4:17 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Issue with 96 850R Starting Not Turning Over
Replies: 52
Views: 1388

Re: Issue with 96 850R Starting Not Turning Over

I had bad b+ cable from battery to starter.
I had almost 1v voltage drop on it when everything is warmed up under the hood.
Cold test was always ok and without voltage drop.
by misha
Fri Jul 03, 2020 3:21 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: '98 V70 Removing Rear Bumper Cover
Replies: 16
Views: 6642

Re: '98 V70 Removing Rear Bumper Cover

850 wagons have that 10mm nuts on sides.
V70 don't have them...they just slide onto side plastic guides.
Different style bumper covers.
by misha
Fri Jul 03, 2020 2:49 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Dim headlight-rewire?
Replies: 8
Views: 172

Re: Dim headlight-rewire?

What voltage you have at battery terminals?
You should have 13.8-14.2v at idle with headlights,heater blower 1-3 speed and radio ON.
by misha
Fri Jul 03, 2020 2:47 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Tuneup/spark plug question Topic is solved
Replies: 21
Views: 387

Re: Tuneup/spark plug question Topic is solved

Nothing is better than Volvo plugs.
There are some members who have great experience with NGK irridium plugs,but i never used them.
by misha
Fri Jul 03, 2020 1:53 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Tuneup/spark plug question Topic is solved
Replies: 21
Views: 387

Re: Tuneup/spark plug question Topic is solved

If spark plugs are replaced regularly and if you maintain charging system,they can last forever.
DIS system doesn't like low charging output from the alternator and battery must be healthy.
by misha
Fri Jul 03, 2020 12:34 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Tuneup/spark plug question Topic is solved
Replies: 21
Views: 387

Re: Tuneup/spark plug question Topic is solved

subzerocarfanatic wrote: Fri Jul 03, 2020 11:48 am ...Why do the OEM Volvo ones not come pre set?
Who said that?
They do.
Proper gap setting is for cheap copper Bosch or NGK.
by misha
Fri Jul 03, 2020 11:27 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Tuneup/spark plug question Topic is solved
Replies: 21
Views: 387

Re: Tuneup/spark plug question Topic is solved

If the numbers match,they are ok.
About spark plugs....gap is critical on turbo engines...so use volvo set of 5 for turbo engines or cheap copper NGK or Bosch and gap them properly.

https://www.rendcarparts.com/volvo/part ... D9125601BO
by misha
Wed Jul 01, 2020 1:44 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Poor running under acceleration
Replies: 17
Views: 506

Re: Poor running under acceleration

Nothing aftermarket simply doesn't work on these cars...they are out of spec and while you trying to solve the problem you had before ECT replacement...you simply chase your own tail. ECT sensor on these cars is highly important,like Maf and O2. It's not just temp gauge sensor...it also sends info o...
by misha
Tue Jun 30, 2020 4:24 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Poor running under acceleration
Replies: 17
Views: 506

Re: Poor running under acceleration

Meyle ECT???
Only Volvo ECT(which is Valeo) or at least Vernet.
Check ECT connector from wiring loom side.
They are prone to corrosion and damage.

Flashing CEL means that engine is misfiring.
by misha
Sun Jun 28, 2020 3:08 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1998 V70 P0413 SAS Valve A open diagnosing
Replies: 9
Views: 231

Re: 1998 V70 P0413 SAS Valve A open diagnosing

Actually...if SAS valve is stuck open it will let water from condensation to air filter and through the MAF...killing the MAF sensor.

Also...that condensation gets into cylinders,producing intermittent misfire.

I had this long time ago.
by misha
Sun Jun 28, 2020 2:46 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

Pressurised coolant (50-50 mix)will boil at 120C. Driving with cap off will not overheat the engine as long as it have coolant in the system. There is ECT which will turn on the cooling fan around 100-110C...pressurised or not. Proper pressure in the system is just helping the engine not to overheat...
by misha
Sun Jun 28, 2020 5:12 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Rear Drivers Side Window Won't go Down
Replies: 3
Views: 160

Re: Rear Drivers Side Window Won't go Down

You will need to remove door panel and check wiring and connections.
by misha
Sat Jun 27, 2020 4:46 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 1998 V70 P0413 SAS Valve A open diagnosing
Replies: 9
Views: 231

Re: 1998 V70 P0413 SAS Valve A open diagnosing

Air pump works for a few seconds after starting a cold engine and sometimes at prolonged idle when ecu ask for it. You can delete SAS and still pass inspection with soldering a diode in ecu and leave everything as it is. If your problem is SAS valve,you can also block it and leave all components in ...
by misha
Sat Jun 27, 2020 2:43 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

It tries to escape when air bleeding from the system starts.
It's faster procedure and almost no possibility to have trapped air in the system.

It will not blow the cap or tank but can make air pocket in the system.
by misha
Fri Jun 26, 2020 1:25 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: How do you say goodbye? - S70, not passing NYS emissions...
Replies: 53
Views: 1690

Re: How do you say goodbye? - S70, not passing NYS emissions...

Don't forget to remove negative battery cable for 15 min in order to reset fuel trims...after you replace it.

Just to remind you that canister purge valve code have nothing to do with this.
by misha
Fri Jun 26, 2020 1:23 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle and P0505 after cold air intake install
Replies: 18
Views: 761

Re: High Idle and P0505 after cold air intake install

I agree with scot850.
I must ad that K&N filters are nothing but trouble.
Oil film from them usually mess up Maf sensor readings and makes more problems than benefits.
by misha
Thu Jun 25, 2020 4:45 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: How do you say goodbye? - S70, not passing NYS emissions...
Replies: 53
Views: 1690

Re: How do you say goodbye? - S70, not passing NYS emissions...

That would definately be a lot of unmetered air comming into engine. It's a part of PCV system...a flame trap housing. Check if that is just poped out or it's broken. It's a bayonet fitting...easy to install,but it can be tricky to put back on because there are two hoses attached to the flame trap h...
by misha
Thu Jun 25, 2020 4:11 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

300/400 series are not even built in Sweden. They are far away from Volvo quality,the worst cars under Volvo brand...with Renault engines(340/440) 1.4,1.7 & 1.8. 360/460 had Volvo engines 2.0 but still....they are far away from Volvo. Same with s,v40('96-'04) only 2.0 petrol engines are from Volvo. ...
by misha
Thu Jun 25, 2020 11:45 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

Sounds a lot you you guys work on your Volvos. Is burping air out of the system a difficult or critical process after refilling coolant following draining it.? One guy Scottish Brick on swedespeed says not so much, pour it in, drive a mile or so, then top up. Drain the coolant when engine is hot(af...
by misha
Thu Jun 25, 2020 11:33 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

We also have Volvos in Europe....we have them in the family from '70s....not a single one had rust problems.
Every properly maintained and serviced car will be troublefree.
by misha
Thu Jun 25, 2020 10:32 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

We are going offtopic a bit BUT i must say this... Mercedes is not that great like most people think. Rust is their weakest spot.They rust pretty badly without notice...and when it is noticed...there is nothing left of the floor or sills. E-class,C-class,A-class suffers the most,where S-class have d...
by misha
Thu Jun 25, 2020 8:33 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle and P0505 after cold air intake install
Replies: 18
Views: 761

Re: High Idle and P0505 after cold air intake install

What hose you guys are talking about? SAS pump hose which is attached on the upper half of stock airbox cover? If so....you will soon have SAS code . If you block it...air pump will blow it when it activates. Your car is equipped with SAS system...so you will need to find the way to connect it on ne...
by misha
Wed Jun 24, 2020 4:19 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle and P0505 after cold air intake install
Replies: 18
Views: 761

Re: High Idle and P0505 after cold air intake install

Flame trap flange also have a seal (o-ring) which prevents vacuum leaks between MAF and throttle body. It's a bayonet style mounting.You can't remove lower side plastic adapter from throttle body,on which you mount lower ribbed air hose,without releasing flame trap flange.There is also a hose attach...
by misha
Wed Jun 24, 2020 3:51 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle and P0505 after cold air intake install
Replies: 18
Views: 761

Re: High Idle and P0505 after cold air intake install

It doesn't seal well...that's why you have high idle.Engine is sucking "false" and unmetered air.
Did you re-connect flame trap flange and hose on it?
Also...check that ribbed hose for air induction between maf and throttle body is tight and have no leaks.

Why that MAF sits upside down?
by misha
Wed Jun 24, 2020 3:45 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle and P0505 after cold air intake install
Replies: 18
Views: 761

Re: High Idle and P0505 after cold air intake install

Did you installed a throttle body gasket?
by misha
Wed Jun 24, 2020 12:51 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

Let's see if new coolant and cap will make things right.

I must have a mad luck....since my tank and cap are still original.
***Knock on wood***
by misha
Tue Jun 23, 2020 6:16 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

But...wouldn't there be a higher than normal pressure in cooling system?
Cooling system hoses would be pressurised and hard in that case....or i am missing something here.
by misha
Tue Jun 23, 2020 5:49 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 2000 V70 XC ejecting coolant at return tank
Replies: 33
Views: 597

Re: 2000 V70 XC ejecting coolant at return tank

How come that compression is ok along with cooling system if there is a problem with head?! That is the purpose of the line on top of coolant tank. Compression checks ok,no oil in coolant...no coolant in oil,proper cooling system pressure,doesn't overheat....i don't think that the engine have head p...
by misha
Mon Jun 22, 2020 3:48 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Intermittent low oil pressure
Replies: 30
Views: 637

Re: Intermittent low oil pressure

I don't know what is the spec for oil pressure...but i think that sensor is faulty here.

I would replace it anyway.

Read this:
https://www.pelicanparts.com/techarticl ... cement.htm
by misha
Mon Jun 22, 2020 3:34 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

You didn't understand me well. When splicing into original ecu wiring or adding a clone ecu box for LPG ecu....resistance and voltage for original sensors signal is corrupted(usually) or slightly out of range which makes problems when car is running on petrol. It happens that car runs magnificent on...
by misha
Mon Jun 22, 2020 11:57 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

LPG system can make things harder to track down. They are almost NEVER installed properly and if it does...installers usually use short-cuts and splice the wiring to install some sensors which are needed for LPG. Those splicing into wiring can corrupt signals for original(factory)sensors which are n...
by misha
Mon Jun 22, 2020 11:07 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Intermittent low oil pressure
Replies: 30
Views: 637

Re: Intermittent low oil pressure

I'm not claiming that higher viscosity oil would solve your problem,but there is possibility. You should be able to test oil pressure before throwing money again on something you just replaced. There is some gauge which is screwed into the pressure sensor hole while engine is running. That would cle...
by misha
Mon Jun 22, 2020 4:39 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

Live parameters from all sensors while engine is running and while driving the car...TPS,O2 sensors,Maf,ETM...etc.
by misha
Mon Jun 22, 2020 2:19 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

I don't have the answer to your question,except that there might be loss of communication in CAN network.

Live data diagnostic should be performed and then you will see what is the problem.
by misha
Mon Jun 22, 2020 2:16 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Intermittent low oil pressure
Replies: 30
Views: 637

Re: Intermittent low oil pressure

5w-30 and 10w-30 is too thin for the car with that mileage. 5w-40 or 10w-40 would be more adequate. Both of those oils have the same viscosity when engine is at operating temperature(xx-30 index). You might have a problem with oil pressure...but there is a possibility that the light is shorting some...
by misha
Sun Jun 21, 2020 6:12 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

Does the car run good at all with new engine,ecu and wiring?
Is the only problem with it...not reving past 4k rpm?

It's not that simple....take a closer look at a diagram at the bottom.
All those CAN symbols goes through some module,not just those that you mentioned.
by misha
Sun Jun 21, 2020 4:18 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

Every single module in the car is connected with each other via CAN network.

Not possible!

What engine did you had in s70?
by misha
Sun Jun 21, 2020 1:36 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Intermittent low oil pressure
Replies: 30
Views: 637

Re: Intermittent low oil pressure

What oil viscosity you have in the engine?
What oil filter you installed?

If oil is too thin for the mileage and condition of the engine...oil pressure will not be adequate.

If oil filter is something aftermarket without built-in check valve....oil pressure will be compromised.
by misha
Sun Jun 21, 2020 1:28 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo C70 99 4k rev limiter manual gearbox
Replies: 13
Views: 174

Re: Volvo C70 99 4k rev limiter manual gearbox

Problem is in CAN network which introduced in '99 with ME7 management. You can't just swap ecu in these cars because they are "married" with the car. They need to be re-programmed to match with your car and ALL other modules in the car. It's a dealer thing,unless you can find some good tuner who can...
by misha
Sun Jun 21, 2020 1:06 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: replacement engine cooling problem
Replies: 14
Views: 322

Re: replacement engine cooling problem

I said...if freon is low,compressor will not kick in and fan will not turn on as it should...when AC is turned on. That said....if compressor is not working when AC is turned on,because of low level of freon....the fan will also not turn on. Otherwise....the cooling fan should turn on at proper cool...
by misha
Sat Jun 20, 2020 2:36 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Want to have OBD1 for 1996 850t Topic is solved
Replies: 3
Views: 140

Re: Want to have OBD1 for 1996 850t Topic is solved

'95 will have both....OBDI under the hood and OBDII at center console.
From '96 there was only OBDII at center console.

No...you can't enter OBDI codes in OBDII car.
by misha
Fri Jun 19, 2020 4:44 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: replacement engine cooling problem
Replies: 14
Views: 322

Re: replacement engine cooling problem

Rocket99 wrote: Fri Jun 19, 2020 11:11 am ...Turned on AC, cooling fan never ran.
If it is low on freon,compressor will not kick in and cooling fan will not run.
by misha
Fri Jun 19, 2020 8:49 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle when car has been running for a while Topic is solved
Replies: 34
Views: 676

Re: High Idle when car has been running for a while Topic is solved

Yes...but that setup is pretty rare for '95.
Usually...they are Jetronic.
by misha
Fri Jun 19, 2020 1:16 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle when car has been running for a while Topic is solved
Replies: 34
Views: 676

Re: High Idle when car has been running for a while Topic is solved

Open up ecu box. If it's Jetronic...it will have 2 ecu(s) in ecu box....for a car with manual transmission and 3 ecu(s)...for a car with automatic transmission. That said... -2 ecu for engine and ignition for a car with manual transmission -3 ecu for engine,ignition and TCM(transmission control modu...
by misha
Fri Jun 19, 2020 1:06 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Want to have OBD1 for 1996 850t Topic is solved
Replies: 3
Views: 140

Re: Want to have OBD1 for 1996 850t Topic is solved

You can't retrofit OBDI in OBDII car,but you can use flash code reader for ECU and ECC since '96 850 T5 have M4.3 management which still produce flash codes.
All other modules are fully OBDII.
by misha
Thu Jun 18, 2020 4:17 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: High Idle when car has been running for a while Topic is solved
Replies: 34
Views: 676

Re: High Idle when car has been running for a while Topic is solved

A6?
Being a '95 it should have Jetronic LH 3.2 management will can have 2 separate ecu(s),one for engine and the other for ignition.
by misha
Thu Jun 18, 2020 1:59 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC: VERY bad starting sound after replacing injector seals
Replies: 45
Views: 833

Re: 98 XC: VERY bad starting sound after replacing injector seals

I'm with abscate. Since your starter is now stuck....i would say that all that noise you had while you still could start the engine was from a bad starter. It could have stuck it's bendix into a flywheel and blocking it. Before it got stuck into a flywheel....there was a good chance that it interfer...
by misha
Thu Jun 18, 2020 2:09 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC: VERY bad starting sound after replacing injector seals
Replies: 45
Views: 833

Re: 98 XC: VERY bad starting sound after replacing injector seals

I don't understand how something in the engine can be broke after injector(s) replacement or rebuilt.
If there were no problems before,there must be something you did wrong during injector replacement....something fell off from injector or something got into manifold openings.
by misha
Thu Jun 18, 2020 2:02 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: TPS from 9.8% to 79.8% '98 C70 T5
Replies: 6
Views: 244

Re: TPS from 9.8% to 79.8% '98 C70 T5

After you replace the hose and correct gap(if it's not gapped correctly),remove negative battery cable for 15min to reset fuel trims.
by misha
Wed Jun 17, 2020 3:14 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: TPS from 9.8% to 79.8% '98 C70 T5
Replies: 6
Views: 244

Re: TPS from 9.8% to 79.8% '98 C70 T5

Vacuum leak is your problem and spark plugs if they are not cheap Bosch copper plugs properly gapped. Gap is critical on turbo engines. That leak is messing with Maf and o2 sensors readings which results in higher fuel consumption. In stop and go traffic with short distances...add there automatic tr...
by misha
Wed Jun 17, 2020 2:00 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC: VERY bad starting sound after replacing injector seals
Replies: 45
Views: 833

Re: 98 XC: VERY bad starting sound after replacing injector seals

You have one leaky injector.
Injector MUST not spray fuel with key in pos.II.
by misha
Tue Jun 16, 2020 6:24 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 Volvo 850 a/c clutch not engaging
Replies: 2
Views: 74

Re: 96 Volvo 850 a/c clutch not engaging

First,take the car to ac shop to check freon level.
by misha
Sun Jun 14, 2020 5:04 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Running rough in cold weather - suspect cooling system?
Replies: 7
Views: 254

Re: Running rough in cold weather - suspect cooling system?

Thermostat is at fault here...use Wahler(oe,oem) or Vernet.
N/a use 87-90C.
Turbo 87C.
ECT must be oe Volvo(which is Valeo btw) or at least Vernet.

Like upper advice...before change ECT check both connectors for corrosion.
They rarely go bad....mine is still original.
by misha
Sun Jun 14, 2020 4:24 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: AC Cuts out after about 15 minutes....
Replies: 13
Views: 360

Re: AC Cuts out after about 15 minutes....

erikv11 wrote: Sun Jun 14, 2020 4:17 pm Measure AC clutch gap at rest, car off. Just reach down there.
So....at rest...when clutch is disengaged,it should be within spec(0.3-0.5mm).

What is a maximum allowable clutch gap,before problems begin?
Never had a problem with ac compressor,but want to be ready for it if needed.
by misha
Sun Jun 14, 2020 3:53 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: AC Cuts out after about 15 minutes....
Replies: 13
Views: 360

Re: AC Cuts out after about 15 minutes....

Abscate....
How do you measure clutch gap...when clutch is engaged or at rest(disengaged)?
I know that it should be around 0.3-0.5mm max,but i'm not clear on this.
by misha
Sun Jun 14, 2020 3:26 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 ECC only works when hot or after 30 min
Replies: 19
Views: 548

Re: 98 S70 ECC only works when hot or after 30 min

Fully charged battery reads 12.7v. You will need 14.2-14.4v at battery terminals with engine idling without consumers ON. WITH consumers ON(headlights,heater blower 1-3 speed and radio) 13.9-14.0v. Anything below 13.5v with consumers ON is not enough to keep the battery fully charged. 11.9v is disch...
by misha
Thu Jun 11, 2020 4:03 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 ECC only works when hot or after 30 min
Replies: 19
Views: 548

Re: 98 S70 ECC only works when hot or after 30 min

Yes...ECC is fully OBDII on s,v70('97 & '98).
****'97 EU is '98 U.S.
by misha
Tue Jun 09, 2020 1:03 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC:all electronics shut off while driving
Replies: 8
Views: 264

Re: 98 XC:all electronics shut off while driving

In what shape is a battery?
You will need to perform a voltage drop test and aternator output when everything is warmed up(after about 30min.of driving),without turning the engine off.
by misha
Mon Jun 08, 2020 4:40 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 ECC only works when hot or after 30 min
Replies: 19
Views: 548

Re: 98 S70 ECC only works when hot or after 30 min

I'll confirm that tommorow when i check my vol-fcr in s,v70 menu.
But i'm 100% sure that ECC on s,v70 is fully obdII.
by misha
Mon Jun 08, 2020 3:18 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Control arms Topic is solved
Replies: 12
Views: 242

Re: 850 Control arms Topic is solved

I would grab Meyle HD! :wink:
by misha
Mon Jun 08, 2020 3:13 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 ECC only works when hot or after 30 min
Replies: 19
Views: 548

Re: 98 S70 ECC only works when hot or after 30 min

No flash codes on ECC from s,v70....they are fully obdII. 850 in '97 was the last one which ECC produce flash codes. You will need at least Vol-fcr. BUT...since the ECC doesn't even have a power for a few minutes....you will not be able to communicate with it. There must be a relay for powering ECC,...
by misha
Mon Jun 08, 2020 4:30 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Control arms Topic is solved
Replies: 12
Views: 242

Re: 850 Control arms Topic is solved

If you have just bushings that fail and ball joint is good with no play...you can replace them for 3-4€/each and reuse the control arm.
by misha
Sun Jun 07, 2020 3:53 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Control arms Topic is solved
Replies: 12
Views: 242

Re: 850 Control arms Topic is solved

Do you know how to properly install them?
by misha
Sun Jun 07, 2020 3:32 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 ECC only works when hot or after 30 min
Replies: 19
Views: 548

Re: 98 S70 ECC only works when hot or after 30 min

I got an impression from it's description that it's ECC doesn't even have a power until the car gets hot. Siezed cabin temp sensor will not prevent blower to work,Neil. The only fault which can prevent blower to work is power stage fault. ECC doesn't get a power until 20-30 min after startup.Fuses s...
by misha
Sun Jun 07, 2020 2:05 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Control arms Topic is solved
Replies: 12
Views: 242

Re: 850 Control arms Topic is solved

Honestly, I thinknthey are all junk. I can't remember if I put Meyle on one of my 850ies, but all of them fail biannualy. Every other onspection or so one or teo of them are shot. So be warned, no matter what you use, they won't last nearly as long as the OE units installed in the factory. 1.Meyle ...
by misha
Sun Jun 07, 2020 2:02 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 850 Control arms Topic is solved
Replies: 12
Views: 242

Re: 850 Control arms Topic is solved

Yes....
1.Meyle HD will outlast all others....regular Meyle will not last long.
2.Lemforder(oem)
3.Moog(good quality)
4.TRW(good)
5.Febi(good)
I never used anything from QH,so i can't say anything about their parts.
by misha
Sun Jun 07, 2020 1:54 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 ECC only works when hot or after 30 min
Replies: 19
Views: 548

Re: 98 S70 ECC only works when hot or after 30 min

manovlov wrote: Sun Jun 07, 2020 1:04 pm Hy,

Manov, newbie.

Could it have something to matter with the Mass air flow or the camshaft sensor ?
Capture d’écran 2020-06-07 à 21.00.59.png
Capture d’écran 2020-06-07 à 21.04.04.png

Manov
Nope!
by misha
Sun Jun 07, 2020 12:14 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: shift indicator light not working
Replies: 2
Views: 124

Re: shift indicator light not working

There is no fuse for it.
It illuminates along with cluster and other dashboard and center console lights when you turn on the headlights switch.
by misha
Sun Jun 07, 2020 9:05 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: '95 854T What to save?
Replies: 9
Views: 180

Re: '95 854T What to save?

Different markets,different prices.
In Switzerland they have even higher prices,doesn't matter if it's high mileage car....if it have fresh control.

But same model,with same equipment and same mileage...in Italy...goes for scrap values.
by misha
Sat Jun 06, 2020 1:58 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 Jigsaw Topic is solved
Replies: 6
Views: 140

Re: Volvo 850 Jigsaw Topic is solved

According to how it looks...VIN will say that it is '95.
by misha
Sat Jun 06, 2020 1:17 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 Jigsaw Topic is solved
Replies: 6
Views: 140

Re: Volvo 850 Jigsaw Topic is solved

Fog light from the 1st picture is for '92-94 850.
They have different bumpers(headlights,side lights,tail lights...etc).

2nd picture with fog light in the bumper is round fog light(spot light,projector) for '95-'97 models.
by misha
Sat Jun 06, 2020 11:50 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

bmdubya1198 wrote: Sat Jun 06, 2020 11:04 am You should be able to blow through towards the manifold. The arrow points that direction.
Yes...it's one way valve.
by misha
Sat Jun 06, 2020 11:47 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

I'm talking about ECT wiring....it's connector from the wiring loom side...it gets corroded and sends wrong resistance to ecu.
When wiring have corrosion...the heat makes things worse.As heat goes up...then resistance of bad wire also goes up.
by misha
Sat Jun 06, 2020 3:01 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

Fuel pressure is ok,like i said.
Time to check ect wiring.
That check valve shouldn't be a problem...but i can't say that for sure.
Is vacuum line(hose)between purge valve and intake ok?
by misha
Fri Jun 05, 2020 2:05 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Prepping for fog lamp install; 96 base wagon
Replies: 10
Views: 369

Re: Prepping for fog lamp install; 96 base wagon

If you want it to be done properly...you will need to pull off the bumper.
Cut from the inside of the bumper following the lines and perform fine finish at the outside.

You will need a FRONT fog light switch and a relay to wire them.
by misha
Fri Jun 05, 2020 1:44 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 V70 N/A PCV system swap to 96 850 N/A
Replies: 6
Views: 138

Re: 98 V70 N/A PCV system swap to 96 850 N/A

Check pcv box part number.There are 2 kind of pcv box...with different part numbers for '96 & '97 850.
My '97 have exactly the same setup like s,v70 from '97 and '98.
by misha
Thu Jun 04, 2020 5:58 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Smoke when letting off throttle
Replies: 14
Views: 253

Re: Smoke when letting off throttle

113k is a bit low for valve stem seals,but it also depends was the engine abused and was it maintained regularly.
Could be a turbo too.
If smoke is blue...it's the oil.
If it's black...it runs rich.
If tune wasn't done properly it could damaged the rebuilt turbo.
by misha
Thu Jun 04, 2020 1:55 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850R Timing Belt Question
Replies: 5
Views: 155

Re: Volvo 850R Timing Belt Question

jonslave wrote: Wed Jun 03, 2020 5:05 pm ...just curious, what is the maximum number of teeth the cams can be off before catastrophe?
Up to 3...more than that is game over.
by misha
Wed Jun 03, 2020 4:04 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850R Timing Belt Question
Replies: 5
Views: 155

Re: Volvo 850R Timing Belt Question

I never used cam locking tool and never had cams or crank moved when replacing the timing belt.
by misha
Sun May 31, 2020 5:36 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 16" P2 rims on 302mm brakes
Replies: 1
Views: 89

Re: 16" P2 rims on 302mm brakes

Higher ET...closer to caliper. That said....higher offset means that wheel is more toward to inside. On p80....the higher et wheels which can be mounted is ET49 and no wider than 205 width tire.That's close enough to the strut. Original ET for P80 is 43. I have factory S80 alloys(which have the same...
by misha
Thu May 28, 2020 5:16 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

Just checked mine.....closed in both directions when engine is not running.

Your's could be failing....since it's closed in just one direction.

Here you can see that a good evap valve is closed in both directions:
https://volvo850wagon.wordpress.com/tag/evap/
by misha
Thu May 28, 2020 6:09 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

Could be a warning for your battery.
Maybe it is low on charge after all "exercise" you were performing with diagnostics while key is in pos.II.
by misha
Thu May 28, 2020 6:05 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Did you checked IAT values with multimeter?

Once it checks ok....we will proceed to MAP.

If it is ok....we will attack FPR.

If all of that checks out ok....then your brand new o2 is bad(it happens) or you have a vacuum leak which needs to be fixed and which can affect ALL related sensors and fpr.
by misha
Wed May 27, 2020 4:46 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

I know that....I was reffering to the cluster you bought as a replacement...for a quick check of compatibility.

EDIT:
ETS light is at left side of the cluster...just besides srs light.
by misha
Wed May 27, 2020 4:11 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

Did you disconnected it's connector during this test?
It should be closed in both directions when disconnected.

Arrow is pointing towards intake manifold?
by misha
Wed May 27, 2020 2:53 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Yep...that's the MAP!
http://www.bildelsbasen.se/?link=item&s ... d=24973327

This is how to test it:


Instead of vacuum pump,you can create a vacuum with your mouth and use the vacuum line side from the manifold.
by misha
Wed May 27, 2020 2:49 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

The easiest way to check compatibility is to remove the bulb sockets from right side for warning lights and with a help of flashlight to check if it have ETS light(that's for '99 & '00).

If it have Lambda symbol it's for '97 & '98.
by misha
Wed May 27, 2020 2:43 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

Looks like it's from '99: https://www.usedecus.com/en/volvo/s70/volvo-s70-v70-1999-2-5-petrol-speedometer-instrument-cluster-9472522-9451530-9472725/ At the back of the cluster...part # under VOLVO...towards the left from date production(under PP T40). That number counts. According to production dat...
by misha
Wed May 27, 2020 2:23 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Can that metal casing be removed?
We need a part number for verification.

It have 3 pin connector(common for MAP) and a vacuum line which goes directly to intake manifold.
What you mean by hand sanitizer?

It should be clean alcohol....without leaving residues.
by misha
Wed May 27, 2020 12:37 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

Post a picture of back side of the cluster....to see Volvo number and the other numbers.
I'll see if i can check them for you.

Part # are different for E.U and U.S market.

EDIT....
Just saw that you're from Portugal....so it is km/h speedo.
by misha
Wed May 27, 2020 12:26 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Fpr line is routed with a shortcut. :) That on fan shroud could be MAP but i can't see because of it's shield(carrier). Can you take it out of there? IAT could be saved. If it's covered with oil residue it can't sense incoming air temperature. Try to clean it with a tooth brush and some alcohol from...
by misha
Wed May 27, 2020 10:07 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

Just make sure it's from '98.
'99 and '00 will not work because of CAN network.
Physically and visually...they are identical...it's just part number which is different.
by misha
Wed May 27, 2020 10:04 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

Just remove it and blow through it in both directions....if it's closed...it's good.

If you can blow through it,it's bad and stuck open.

It's unpowered state is closed.
by misha
Tue May 26, 2020 6:02 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

That broken bolt can be extracted with extraction drill tool....no need for a replacement manifold.
Extract it and put in a new bolt.
by misha
Tue May 26, 2020 5:54 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Post a picture tommorow where that white vacuum line goes to the front. It should go to MAP at fan shroud. Also...check FPR vacuum line where it goes...it should go to a vacuum tree at the opposite side of that white line....and should also be white. FPR is at fuel rail....between 1st and 2nd inject...
by misha
Tue May 26, 2020 5:37 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

No lighter!
For Map you measure voltage while applying a vacuum to it's vacuum line and voltage at rest.
YouTube have a lots of videos on how to check Map sensors.

For IAT you measure resistance,just like for ECT.
by misha
Tue May 26, 2020 4:55 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC Power steering fluid preferences
Replies: 19
Views: 351

Re: 98 XC Power steering fluid preferences

MoVolvos wrote: Tue May 26, 2020 4:49 pm ...I believe the 98 calls for DEX III (transmission fluid) in the powersteering so the Havoline covers the DEX III and 3309 for the transmission also.
ATF spec doesn't matter for power steering.
The most important thing is that it's red ATF.
Just regular red ATF is fine.
by misha
Tue May 26, 2020 4:43 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC Power steering fluid preferences
Replies: 19
Views: 351

Re: 98 XC Power steering fluid preferences

The parts dept at Volvo dealer said DOT 3 ps fluid should work. True or not true? Should work???? NOT TRUE! Don't go to them and don't listen to them! Owners manual says ATF(red) for power steering. Later models use Pentosin,which can also be used in P80 BUT you MUST flush power steering system fir...
by misha
Tue May 26, 2020 4:24 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Is that black silicone...holding a vacuum tree? MAP is highly sensitive to vacuum leaks and it measures the Manifold Absolute Pressure. That silicone is the source of your problems....what about the bolt hole? That's where the main vacuum leak could be...messing with MAP and O2. Where that white vac...
by misha
Tue May 26, 2020 4:18 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

That oily residue is from oil vapors.It's normal. What you can try about FPR....remove it's vacuum line from vacuum tree,cap the vacuum tree to prevent vacuum leak and start the car...see if idle improves. If it is improved....than you found the culprit. Sometimes FPR can start to leak in vacuum lin...
by misha
Tue May 26, 2020 2:04 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 XC Power steering fluid preferences
Replies: 19
Views: 351

Re: 98 XC Power steering fluid preferences

Just regular red ATF...1l is enough for power steering.
by misha
Tue May 26, 2020 1:11 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

Do you have exhaust leak between exhaust manifold and cat? If so...o2 sensor reading will be corrupted. I can't remember if 10v cars have flexi pipe between exhaust manifold and cat...but if it have and if it leaks...o2 sensor will not work properly.It will send false reading to ecu. Intake leaks wi...
by misha
Tue May 26, 2020 12:30 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

IAT sensor have exactly the same spec as ECT.
Multimeter is all you need.
A2 5-1-2 :
https://www.scandcar.com/volvo-850-error-codes/

You have a vacuum leak somewhere or o2 sensor connector is bad.
FPR-fuel pressure regulator should be checked if it leaks fuel into vacuum line.
by misha
Tue May 26, 2020 11:53 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 96 850T5 Hard restart after engine is hot in hot weather.
Replies: 48
Views: 1439

Re: 96 850T5 Hard restart after engine is hot in hot weather.

Fuel pressure is good since you have fpr at fuel rail. 43.5psi at 1st prime and around 35psi at idle. Wot should again rise at 43.5 psi. Are there any codes? Fuel vapor lock could indeed be the issue if the valve is stuck open. The valve is at driver's side,attached near radiator and it's vacuum lin...
by misha
Tue May 26, 2020 11:45 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Brake pressure loss
Replies: 2
Views: 71

Re: Brake pressure loss

Was brake light on during this?
Check for leaks and check brake fluid level.
It could be that master brake cylinder is failing if there are no leaks and brake fluid is at proper level.
by misha
Tue May 26, 2020 11:26 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Volvo 850 engine stuttering at low RPM, not sure why?
Replies: 31
Views: 578

Re: Volvo 850 engine stuttering at low RPM, not sure why?

10v cars doesn't exist is U.S.
Did you checked for codes?
You have diagnostic ports under the hood.

I just re-read your old post about this....
Cur runs rich....
10v car can run rich if MAP,IAT,O2,ECT sensors are bad...furthermore....FPR could also leak fuel into it's vacuum line...check it.
by misha
Sun May 24, 2020 5:04 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine pulleys
Replies: 8
Views: 220

Re: Serpentine pulleys

But OP asked about serpentine belt tensioner pulley and idler pulley...not the tensioner itself. Pulleys are both replacable and maintenable as a regular service on proper mileage interval. Off topic a bit... I had brand new Gates serpentine belts failure in a 6 months on some of other cars...but NE...
by misha
Sun May 24, 2020 4:33 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine pulleys
Replies: 8
Views: 220

Re: Serpentine pulleys

That scenario is possible but that is rare. It usually happens when serpentine belt is old and damaged,have cracked channels,and it start to slice itself on the crankshaft and ac pulleys,then it breaks and enwraps itself around the crankshaft blocking it,which leads to timing belt failure. There is ...
by misha
Sun May 24, 2020 5:19 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 Strange Transmission issues Topic is solved
Replies: 14
Views: 444

Re: 98 S70 Strange Transmission issues Topic is solved

Could be that coil replacement wasn't needed since spark plugs were that worn.

Happy Volvo miles! ;)
by misha
Sun May 24, 2020 5:01 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Blue Box Radiator Critique
Replies: 13
Views: 411

Re: Blue Box Radiator Critique

Abscate is right...
Water/coolant flow lines must be without restrictions and damages.
Some dents and damages on the grille of the radiator(air flow/honeycomb) is not that important unless there are a lot of them and if they are blocking the airflow.
by misha
Sun May 24, 2020 3:13 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

Ok...it seems that this is similiar to Vol-Fcr. Vol-Fcr is excellent and works perfectly.I have it...but it also have it's limits. But still...there are things which require a trip to a dealer. I don't know if it is a case with this app...but most od them are advertised that can do a lot of things ....
by misha
Sat May 23, 2020 4:16 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

...Don't be snobbish.... I'm not...there are some things like that which requires ONLY original diagnostic tool because some modules are protected and require vehicle's or module PIN code for access and programming. There are also some specific manufacturer's dtc which CAN'T be read with nothing el...
by misha
Sat May 23, 2020 2:06 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

Volvo diagnostic tool MUST be used here(the one which official dealers/service use)....nothing generic/universal and certainly NOT some android app.

Something is up either with your cluster or abs/tracs module.

Do you have abs/tracs light ON?
by misha
Sat May 23, 2020 10:51 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Mahle KL 97 filter size question
Replies: 4
Views: 101

Re: Mahle KL 97 filter size question

I don't know if Volvo changed part number for '99+,but all 850....'97 & '98 s,v,c70 use Mahle KL85 fuel filter.
by misha
Sat May 23, 2020 3:23 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Speed meter 15% too optimistic Topic is solved
Replies: 46
Views: 1350

Re: Speed meter 15% too optimistic Topic is solved

...My tires are standard 205/50/16, and the speedometer/odometer/cruise control are working fine apart this 15%... What was the year when Volvo switched to 205/55/16 because of customer's complaints about bent rims? I think it was with introduction of s,v,c,xc70 models in '97(EU) and '98 for U.S ma...
by misha
Thu May 21, 2020 1:49 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 Strange Transmission issues Topic is solved
Replies: 14
Views: 444

Re: 98 S70 Strange Transmission issues Topic is solved

Don't bother...it can ONLY be M4.4 in '97 & '98 non-turbo B5254S.
by misha
Thu May 21, 2020 11:19 am
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: S70 rear exhaust cam seal continues to leak
Replies: 8
Views: 225

Re: S70 rear exhaust cam seal continues to leak

Open the hood,remove oil filler cap,put a latex glove onto the filler kneck,start the car and see if it inflates or it's being pulled down with vacuum.

If it inflates pcv system is clogged.
If not...it's ok.
by misha
Wed May 20, 2020 2:55 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine pulleys
Replies: 8
Views: 220

Re: Serpentine pulleys

The bearing on the tensioner pulley have protective membrane(seal).Wd-40 couldn't get into it without dismantling. If you want....you can remove tensioner arm,it is bolted with 2 bolts to the engine and then remove the pulley which is held with big torx bolt....but first release the tension and remo...
by misha
Wed May 20, 2020 1:41 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 Strange Transmission issues Topic is solved
Replies: 14
Views: 444

Re: 98 S70 Strange Transmission issues Topic is solved

yanga001 wrote: Wed May 06, 2020 12:46 pm ...I know VolFCR covers Feniks 5.2 but you need the correct Vag/Com cable with the ft232 FTDI from what i heard...
Vol-Fcr doesn't cover Fenix 5.2 and M4.3. since they are OBDI and still produce flash codes.
It covers just M4.4 management which is fully OBDII.
by misha
Wed May 20, 2020 1:35 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: Serpentine pulleys
Replies: 8
Views: 220

Re: Serpentine pulleys

If they don't make noise and have no play....i would leave them alone.
Mine are still original and i'm on 3rd serpentine belt replacement...from new.
I just inspect them when i'm replacing the belt.
by misha
Wed May 20, 2020 1:17 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 98 S70 Strange Transmission issues Topic is solved
Replies: 14
Views: 444

Re: 98 S70 Strange Transmission issues Topic is solved

All '97 & 98 20v cars B5254S have Motronic 4.4 management...not Jetronic and certainly not Jetronic 4.2.
LH 3.2 Jetronic is used in early 850 with separate ecu(s) for engine and ignition.
Jetronic 4.2 doesn't exist in these cars.
by misha
Tue May 19, 2020 4:42 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 93 850 the dreaded warm start problems, cranks but no start Topic is solved
Replies: 28
Views: 956

Re: 93 850 the dreaded warm start problems, cranks but no start Topic is solved

Perform a voltage drop test in order to see are main b+ cable and ground ok.

TDC sensor(on flywheel) should also be checked.
ECT sensor's connector from ECT side and wiring loom side should be checked for corrosion.
by misha
Tue May 19, 2020 3:58 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 93 850 the dreaded warm start problems, cranks but no start Topic is solved
Replies: 28
Views: 956

Re: 93 850 the dreaded warm start problems, cranks but no start Topic is solved

Then your coil is ok.
B5254S also have 20v designation on valve/spark plug cover...while 10v cars have DOHC instead of 20v.
by misha
Tue May 19, 2020 3:02 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 93 850 the dreaded warm start problems, cranks but no start Topic is solved
Replies: 28
Views: 956

Re: 93 850 the dreaded warm start problems, cranks but no start Topic is solved

Is your 850 10v or 20v car?
10v cars were not imported in U.S.
B5252 is 10v car.
Is CEL on?
Read the codes from A2 and A6.
'93 non turbo have two separate ecu(s) for engine(A2) and ignition(A6).
You have built-in diagnostic ports under the hood on ecu box.
by misha
Tue May 19, 2020 2:45 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 93 850 the dreaded warm start problems, cranks but no start Topic is solved
Replies: 28
Views: 956

Re: 93 850 the dreaded warm start problems, cranks but no start Topic is solved

...I checked both ends of the positive cable on the battery and the starter and they are both tight and corrosion free. How did you checked them...visually? They all look fine visually,the problem is that they are not usable(electrically). The only way to check them is a voltage drop test on both.....
by misha
Tue May 19, 2020 2:34 pm
Forum: Volvo 850, S70, V70, C70, XC models 1992-2000
Topic: 93 850 the dreaded warm start problems, cranks but no start Topic is solved
Replies: 28
Views: 956

Re: 93 850 the dreaded warm start problems, cranks but no start Topic is solved

...I purchased a working coil from a salvaged ( due to accident ) 1998 S70 on ebay for a very good price. I did match the part number with compatibility and from what I can find, it is compatible with a 1993 850. I will put it in as soon as it arrives and report back my findings. Thank you again! A...