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by Roger_850T
Mon Jun 28, 2021 7:56 pm
Forum: 850 and S70, V70, C70, V70-XC 1992-2000
Topic: Bad shifting automatic
Replies: 5
Views: 139

Re: Bad shifting automatic

There's a potentiometer on the back of the throttle that is an input to the transmission computer (TCM); it uses that to help decide when to shift. When mine went bad it caused all sorts of weird shifting. If you take it off and turn it by hand, mine felt "crunchy". In reality, the coils on the wind...
by Roger_850T
Sat Jun 26, 2021 11:03 pm
Forum: XC90 First Generation 2003-2014
Topic: V8 Alternator
Replies: 4
Views: 199

Re: V8 Alternator

It's done, and it's working so we are happy. :) All in, it took 10-11 hours. It should have been a few hours less. Taking it out was 4 hours the first day, and about an hour the second. The first day I got everything moved except the alternator - jacked the car up, disassembled the strut, disassembl...
by Roger_850T
Sat Jun 26, 2021 10:37 pm
Forum: XC90 First Generation 2003-2014
Topic: Back in the Volvo saddle again - and an AC question
Replies: 2
Views: 139

Re: Back in the Volvo saddle again - and an AC question

We need to know more details about it not working. Over time, the clutch can wear, allowing the gap to increase. When everything is moderate temperatures, say on the first start of the day, the clutch will typically pull in and work fine. But when it gets very hot, (like when its >100°F out and the ...
by Roger_850T
Sun Jun 20, 2021 10:20 pm
Forum: 850 and S70, V70, C70, V70-XC 1992-2000
Topic: Why do you (still) drive a P80?
Replies: 76
Views: 3420

Re: Why do you (still) drive a P80?

I still drive a P80 for a number of reasons. 1. I like how it drives! 2. I fit in the seats, and they support my back in the right places. 3. I can maintain it, and it hasn't given me any curve balls I couldn't handle. 4. Keeping it maintained and basically stock, it's reliable, even at >300k miles....
by Roger_850T
Sat Jun 19, 2021 2:51 pm
Forum: XC90 First Generation 2003-2014
Topic: V8 Alternator
Replies: 4
Views: 199

Re: V8 Alternator

New style alternators if dealer replaces have the snorkel cooling vent on them (see link- https://goo.gl/photos/sgUfDcBgnQY7ETK58 ,photos do not include the heat resistant wrap over the duct). I've never seen one "live" in an XC90 before but that's what I'm told gets put in. I was never able to get...
by Roger_850T
Sat Jun 19, 2021 11:07 am
Forum: XC90 First Generation 2003-2014
Topic: VIDA DICE scan query Topic is solved
Replies: 11
Views: 337

Re: VIDA DICE scan query Topic is solved

One note that may be helpful: All of the modules that are working are on the High Speed CAN bus, and the ones that are not working are on the low speed CAN bus. The DiCE can communicate with both, through the CEM. (DiCE has wires that go to each bus.) Thus, something is suspect on the bus, or one of...
by Roger_850T
Sat Jun 19, 2021 10:59 am
Forum: XC90 First Generation 2003-2014
Topic: Water leak 2010 XC90 Topic is solved
Replies: 5
Views: 275

Re: Water leak 2010 XC90 Topic is solved

I had to do the same clean-and-seal in my V70, with good results.

Roger
by Roger_850T
Sat Jun 19, 2021 10:24 am
Forum: XC90 First Generation 2003-2014
Topic: V8 Alternator
Replies: 4
Views: 199

V8 Alternator

My turn for the Alternator Failure on the 2005 XC90 V8 (170k miles). Yesterday the wife got the "POWER SYSTEM SERVICE URGENT" message, with the accompanying red triangle, power steering weakness, radio off, and potential brake issues. She parked the car and took a Lyft home. Several hours later, I g...
by Roger_850T
Sat Jun 19, 2021 9:35 am
Forum: XC90 First Generation 2003-2014
Topic: warm AC. pay for diagnostics or just replace compressor
Replies: 19
Views: 394

Re: warm AC. pay for diagnostics or just replace compressor

I've been hearing lately about a solenoid by the compressor that can fail. Symptoms seem to be that it can take a few minutes after startup before the air temperature goes cold. FCP sells the part. I understand it's not hard to replace, but you have to have a shop evacuate your AC and recover the re...
by Roger_850T
Wed May 26, 2021 8:15 pm
Forum: 850 and S70, V70, C70, V70-XC 1992-2000
Topic: 850 T5 runs fine, then won't start for a week.
Replies: 8
Views: 322

Re: 850 T5 runs fine, then won't start for a week.

Does it refuse to start for a week, and then just run fine again? Or did it stop running a week ago and has not started since? (i.e. is it an intermittent problem, or did it just fail a week ago and he hasn't figured out what it is yet?) Before throwing an ECU at it, (like the other guy just threw s...