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by coop
19 Dec 2024, 09:38
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Mythical 850 rear heated seats

Finally got the heated rears pulled. Figured I’d put up a quick thread with some pics and info that I put together during the process I may have screwed up cutting out the 12v wiring but I read multiple times that a majority of the cars are at least pre wired. If not the wiring diagram is attached a...
by erikv11
20 Dec 2024, 08:36
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Re: Mythical 850 rear heated seats

This has been a long running joke here on MVS. I'm not sure any P80's were ever optioned with these or even if it was an option in North American market cars. If there were any they could possibly be customer cars bought straight from the factory. It would have been a nice option to have had, but n...
by Markus123
24 Dec 2024, 17:08
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Re: What is the volvo part number for this stupid bulb?

I found and fit same bulbs from B4 Passat instrument cluster, fits my 1999 Volvo V70 manual climate control panel and works. They are 12V 2W and socket type BX8.4D.
by songzunhuang
27 Dec 2024, 12:08
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Coolant leak was just a loose clamp

I was re-reading this thread and realized I never closed the loop on the coolant issue. I’m happy to report that my coolant leak was just a loose clamp. It’s been well over a year. I am back in Tahoe again with the family in the red brick. The car now has over 282,000 miles and running like a champ....
by abscate
29 Dec 2024, 18:46
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Xmas 2024

Big muffin spent 10 days with us got Xmas but I had to get her back to work tomorrow

NYC traffic light, round trip under 3 hours
by NC855R
30 Dec 2024, 06:33
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Re: Seeking swarm knowledge as I do my M56 swap 97 855 R

To close this out. Car is back on the ground and under its own power with the manual transmission. I set out to do this at a leisurely pace since I had another car to drive while doing this project. Car went up on stands in Sept. and completed on Dec. 29. I used new everything where I could and also...
by abscate
31 Dec 2024, 07:07
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Re: Seeking swarm knowledge as I do my M56 swap 97 855 R

I never fail to be amazed how often I get told how bad not just P80 but P1 and P2 parking brakes can be. Only issues I have are lack of servicing and love for the systems. No one services them and then wonder why they don't work?? Go figure. On a manual it is key of course to have working parking b...
by mikeak2001
01 Jan 2025, 12:09
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Corrupt CEM Non Start Investigation and Repair Tutorial

Hi everyone, Thought I'd add a little tutorial for the P2 vehicles. For anyone who doesn't know me I'm an autoelectrician. I don't just play with wires like most, I dive deep into the inner workings of the flash files too for a better understanding. I work on Volvo's quite a bit along with other man...
by scot850
02 Jan 2025, 15:50
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Re: No Driver Heat - 1998 Volvo S70

The heater core is always hot. There are no valves on the core. It is how the air flow is being routed that confirms where the air goes and if it is hot or cold. When you had the servo motor out, did you check the motor moved? I just did that on a 97 850 as they have an issue with breaking the flap ...