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1999 S70 "AWD" Rescue Thread

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

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WhatAmIDoing
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WhatAmIDoing

1999 S70 "AWD" Rescue Thread

Post by WhatAmIDoing » Sat May 04, 2019 9:00 am

So I was finally able to pick up the '99 S70 AWD I saved from the crusher. $400 for the car with 218k miles (and 4 good Blizak snow tires) + $200 for brand new Falken sport tires on decent Ariane rims. Not a bad deal. She started right up and drove a few miles perfect.

What needs fixed ASAP: Needs new shocks / struts on all 4 corners (bouncy, bouncy). Heater core is 10/10 blown; heat wreaks of coolant and windshield has an oil film on it. Lastly, the ECC is having some issues. Driver's side vents only blow full hot (with summer coming that's a big TO DO), and the directional motor is a little lazy. Passenger side ECC everything works as expected.

The Good: interior isn't destroyed, all fluids look clean, paint is okay, found Volvo touch up paint in the trunk with some new front turn signals, and PCV and timing was done by Volvo at 205k miles.

Let the project begin...


'98 S70 T5M - 270,000+mi - forever a project
'99 S70 "AWD" - 218,000+mi - project
Knows enough to be dangerous :wink:

scot850
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scot850

Re: 1999 S70 "AWD" Rescue Thread

Post by scot850 » Sat May 04, 2019 9:07 am

Wow. What a good find. I wish you well on the progress to returning it to the road full time.

Good Luck!

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

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matthew1
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Re: 1999 S70 "AWD" Rescue Thread

Post by matthew1 » Sat May 04, 2019 9:58 am

That’s a really good find. The Blizzak’s are icing on the cake.


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1997 850 T5, MSD ignition coil, Hallman manual boost controller, injectors, R bumper, OMP strut brace [gone]
2004 V70 R [gone]

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abscate
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abscate

Re: 1999 S70 "AWD" Rescue Thread

Post by abscate » Sat May 04, 2019 10:09 am

There is a chassis break on 1999 ECC for the blend motor; it goes from two motors to one during the year.

Make sure you replace by direct comparison.


1 SWMBO for 30 years
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1999 V70 T5M 56 2005 V70 NA M56 VWs BMW

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WhatAmIDoing
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Re: 1999 S70 "AWD" Rescue Thread

Post by WhatAmIDoing » Sat May 04, 2019 12:13 pm

Progress already: Evened up the rear spoiler (because it was bothering me), and the brake light is wired and working! Found the radio code. Was able to pull a code from the ECC: faulty signal driver's temp control knob. So I'm going to check that out first and hope it's only a bad wire. Pulled the cover and carpet back from the heater core. I don't see a leak or coolant anywhere, but it's REALLY dirty back here. Put down some white paper towels to catch leaks. Heater core installed is a Behr. Will monitor.

Took it for a short drive down some back roads. It's weird driving an auto after driving a manual for 2 years straight. Transmission seems to shift very smooth, but I feel like it's revving awfully high (4K) before shifting to 3rd. Didn't have a long enough straight road to get speed up into 4th. Boost is clearly limited to 6psi, so so much for an R engine. Engine is definitely bone stock apart from intake and turbo doesn't look stock either. Has no problem boosting to and holding 6 psi.

Going to put the Falkens on later today, as the Blizzaks were constantly breaking traction on the warm, wet pavement.


'98 S70 T5M - 270,000+mi - forever a project
'99 S70 "AWD" - 218,000+mi - project
Knows enough to be dangerous :wink:

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WhatAmIDoing
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WhatAmIDoing

Re: 1999 S70 "AWD" Rescue Thread

Post by WhatAmIDoing » Tue May 07, 2019 8:03 pm

Finally got the summer tires on, and of course it started pouring. Turned the light on to discover only one bulb behind the dash works. Also, when the headlights are on the turn signals blink more rapidly like a light is out, but all exterior lights are working.

Played around with the ECC more. Got it to self test all the motors, and they all work, so the driver's side must not be getting signal from the temp knob. Ordered a used ECC for cheap to swap in and fingers crossed that fixes it, but I'm betting it's a wiring issue.

Considering the dash lights don't work, temp knob is non functional, the 12v outlet doesn't work, and there is an aftermarket boost gauge and blue LEDs in the dash, I'm assuming I'm going to find an electrical hack job.

Now for some goodies. When I pulled the wheels off I was greeted by IPD upgraded sway bars and braided brake lines. So that's a solid plus. Also new brake pads on the front.

Ordered new shocks and a strut kit today, so I can get started on those and then she should be safely driveable on the highway.


'98 S70 T5M - 270,000+mi - forever a project
'99 S70 "AWD" - 218,000+mi - project
Knows enough to be dangerous :wink:

scot850
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Joined: Mon Apr 05, 2010 2:46 pm
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Re: 1999 S70 "AWD" Rescue Thread

Post by scot850 » Tue May 07, 2019 8:34 pm

Wow, you have made such a lot of progress in a short time. Hopefully the car appreciates all your hard work and rewards you well with long service!

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

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bmdubya1198
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Re: 1999 S70 "AWD" Rescue Thread

Post by bmdubya1198 » Tue May 07, 2019 8:50 pm

Wow, score on the iPd sways!

I'd take a peek at the turbo compressor housing and see what's stamped on there. Maybe someone swapped in something bigger than the stock 13g/13t (whichever one of those it is for '99). As long as it's on the stock tune, it's going to be limited to around 6 PSI. I've been running my GLT reliably at 8 PSI for the past couple years on my home-made boost controller. I'd say it's a solid design! Unfortunately Motronic 7 doesn't like MBCs, so you would need a tune to up the boost if you wanted to.


1998 V70 GLT Black/Beige 191k
2000 V70R Venetian Red/Charcoal M56 Swapped 188k
2001 S60 2.4T Black/Black 230k
2007 XC90 V8 AWD Sport Titanium Grey/Black 151k
1998 S90- Silver/Gray 207k
1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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WhatAmIDoing
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Re: 1999 S70 "AWD" Rescue Thread

Post by WhatAmIDoing » Tue May 07, 2019 9:20 pm

One interesting observation I had while changing the tires: the shocks, struts, and springs looked surprisingly clean and still had all their paint, but the shocks and struts are definitely gone, way too bouncy and noisy, and rough ride.

Also noticed the turbo looks very clean, so I will definitely try to find some info off the housing. Looks big for a stock GLT turbo. Boost is definitely limited at 6psi. Wondering if the PO was going for a nice sporty setup, then lost interest.


'98 S70 T5M - 270,000+mi - forever a project
'99 S70 "AWD" - 218,000+mi - project
Knows enough to be dangerous :wink:

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bmdubya1198
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Joined: Tue Dec 30, 2014 10:45 am
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bmdubya1198

Re: 1999 S70 "AWD" Rescue Thread

Post by bmdubya1198 » Wed May 08, 2019 7:51 am

I wouldn't be surprised. It would be nice to find a 16t or 19t back there!


1998 V70 GLT Black/Beige 191k
2000 V70R Venetian Red/Charcoal M56 Swapped 188k
2001 S60 2.4T Black/Black 230k
2007 XC90 V8 AWD Sport Titanium Grey/Black 151k
1998 S90- Silver/Gray 207k
1995 850 collection of parts... crushed... still have parts, PM if interested!
1988 744 Turbo M46 Beige Metallic/Beige 188k- Still kicking myself for getting rid of this one

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