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Worth Keeping 850 T5 ; transmission issues:{

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
Ozark Lee
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by Ozark Lee » Tue Jul 10, 2018 5:01 pm

I would back up and do a bit more diagnostic work. You indicated that you replaced the "shift selector module". I assume that you are referring to the PNP switch. If the PNP is not working properly or is out of adjustment that might explain the fact that you have no codes. I would be inclined to build a flash code reader and do more interrogation. There are also some service mode triggers that can be done via OBD-I to test the solenoids. Some OBD-II readers don't really do a very good job with the Volvo transmission and only post codes when the TCU post the fault back to the ECU.

Download the manual and go through some of the diagnostic procedures that are in the Automatic Transmission section:

http://www.matthewsvolvosite.com/downlo ... vo_850.zip

Some of those tests refer to a breakout box but you can get to the same signals directly from the connectors. It takes a bit of work with the schematics to figure out which wire to test but it is all there.

I check the fluid level with the car hot, idling in park, on a level surface. Check both sides of the dipstick since you can get a false reading on one side.

If the transmission is truly bad it is decision time and I guess it comes down to how well you like the car. My daughter's S70 blew the transmission but she was tired of it anyway so it went to the scrap yard. If you do buy a replacement transmission be sure it is from a turbo. The ratios are different between the turbo and the NA.

...Lee


'94 850 N/A 5 speed
'96 Platinum Edition Turbo
'99 V70XC - Nautic Blue
Previous:
1999 V70XC - RIP - Wrecked Parts Car.
1998 S70 T5
1996 850 N/A
1989 740 GLT
1986 740 GLT
1972 142 Grand Luxe

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coodoo99
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Year and Model: 1996
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by coodoo99 » Tue Jul 10, 2018 7:42 pm

LOL...I'm working with a local Volvo shop and they found a good transmission with a 1 YR warranty. The total install would be 2300 with the tranny costing 800.

I'm leaning in that direction, I'm worried that if I try to change my tranny I'm mess something up. I just got done with the Rack and Pinon swap.

How hard was the manual tranny swap? I was thinking about going that route? I don't have room to pull the engine out and I watched that Robert Video on Youtube about his manual tranny swap.

How hard would it be to swap the tranny myself? I know is comes out the left wheel well and the sub frame needs to be dropped.



scot850
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by scot850 » Tue Jul 10, 2018 11:01 pm

You could also try Chapman Motors Inc on Vancouver Island. Not had a bad part yet from them.

There is also vandsautodismantlers in Sacramento, CA.

As these cars are so hard to diagnose (96-98) in this case why not take it to a Volvo dealer and have the codes read? At least you would have a better idea of what may be the issue, we may be able to give better advice also. Hard to get there without the correct info. It could be something really basic as Lee suggests.

Neil.


2000 V70 R - still being an endless PITA
2006 XC70
2003 Toyota 4Runner V8 Limited
2015 Kia Sportage EX-L
1993 850 GLT -Sold
1998 V70 XC - Sold
1997 Volvo 850 SE NA - Went to niece in California - Sold
2000 V70 SE NA - New project and test bed - Sold

coodoo99
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Year and Model: 1996
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by coodoo99 » Wed Jul 11, 2018 7:39 am

I have the car at Larry's Volvo shop in Beacon Hill. They have some code reader that they use for transmissions prior to 1998. I was told they have the same diagnosis capability as a standard Volvo shop. Larry's a fair shop and I trust this shop and use them when I need that type of help.



erikv11
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by erikv11 » Wed Jul 11, 2018 7:49 am

Manual tranny swap: pretty tricky because you are installing many moving pars that weren't there before, however it is all documented pretty well on the internet if you need to read up beforehand and carefully gather together all the needed parts.

Automatic tranny swap: easiest out the top. Pull the engine and trans together, separate them, put them back together, put them back in. Not very tricky because you just take things out as opposed to taking things apart, but you need space for a hiost and have to be careful/safe moving the heavy objects.

A big danger in doing the auto trans swap yourself is the steering rack will be right there staring you in the face and sooooooo easy to get at, you will kick yourself for doing it earlier!


'95 854 T5-R || m4.4 || 185k
'96 855 NA || 140k
'98 V70 || T5 tune-injectors-turbo, LPT engine || 275k
'06 S60 R || 145k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 NA S70 174k

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abscate
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by abscate » Wed Jul 11, 2018 8:06 am

$800 seems pricy for a used transmission. The warranty isn’t worth anything as the shipping and labor costs swamp the material cost.

They sell for $4/500 here


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1999 V70 T5M 56 2005 V70 NA M56 VWs BMW

sventastic
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Re: Worth Keeping 850 T5 ; transmission issues:{

Post by sventastic » Wed Jul 11, 2018 11:22 am

I have mine for sale for $250CAD/$200USD... I had zero issues with it in my car, just no space to keep it around so I don't mind selling it cheap

Manual swap took me about 60-70 man hours, in case you're considering that route!
Ozark Lee wrote:
Tue Jul 10, 2018 5:01 pm
If you do buy a replacement transmission be sure it is from a turbo. The ratios are different between the turbo and the NA.

...Lee
The car would actually be a fair bit quicker with the more aggressive final drive of the N/A auto transmission. The turbo auto trans ratios are stupidly long, not letting the car into boost til nearly 40km/h. At highway speeds the N/A only sits 200rpm higher in 4th gear


1996 854R | M56H | 16T | 248k

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