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Transmission problems in cold weather

Help and Advice on Volvo's extremely popular car line, powered by Volvo's nearly indestructible, versatile 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

Transmission problems in cold weather

Postby drexel » 10 Dec 2007, 17:16

Basic Symptom: Occasionally (1in10 times) in cold weather my 2000 Volvo s70 switches into gear but does not move. You can rev as high as you want, the car goes no where (in any gear, drive, reverse, etc). After maybe 5 minutes, everything works fine again. Again it only does it once in a while and there are no Problem lights (flashing arrow) on the dash.

I know there is a history of issues with the PNP switch but I'm not getting the "flashing light" on the dash. And the issue only occurs at startup and then goes away while driving so I'm guessing it may not be related to a PNP switch.

Anyone experience similar symptoms? Suggestions?

Thank you.

P.S. Tranny fluid looks good(red) as it was flushed 10,000km ago, with the proper 3309 fluid.
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Postby pfeener » 10 Dec 2007, 18:51

Does it go into reverse, 1st or 2nd? or do you lose all the gears.
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Postby drexel » 10 Dec 2007, 19:10

pfeener wrote:Does it go into reverse, 1st or 2nd? or do you lose all the gears.


The shifter moves into all gears but the car does not move when you hit the gas in either 1st, 2nd, reverse, etc.....its like the transmission is completely absent....then is suddenly starts working
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Re: Transmission problems in cold weather

Postby drexel » 19 Jan 2008, 18:31

Just wanted to bump this up to see if anyone has suggestions or ideas. Thanks again

drexel wrote:Basic Symptom: Occasionally (1in10 times) in cold weather my 2000 Volvo s70 switches into gear but does not move. You can rev as high as you want, the car goes no where (in any gear, drive, reverse, etc). After maybe 5 minutes, everything works fine again. Again it only does it once in a while and there are no Problem lights (flashing arrow) on the dash.

I know there is a history of issues with the PNP switch but I'm not getting the "flashing light" on the dash. And the issue only occurs at startup and then goes away while driving so I'm guessing it may not be related to a PNP switch.

Anyone experience similar symptoms? Suggestions?

Thank you.

P.S. Tranny fluid looks good(red) as it was flushed 10,000km ago, with the proper 3309 fluid.
drexel
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Re: Transmission problems in cold weather

Postby JRL » 19 Jan 2008, 20:35

I would flush the tranny and get the software update.
It could be a sluggish PNP switch but that will usually throw a light (arrow).\
It could be the old fluid or a shift solonoid but the 1st thing you have to do is have it as fresh as possible so change the fluid, reset the tranny adaptives and do the software update
2000 V70R Black, 121,000 miles (Wife's).
2006 XC70 White only 59,000 miles. New daily driver.
2000 V70R Silver, 36,200 miles!!! SOLD (I will regret this)!

Contact info for purchases: jrl1194 (at) aol (dot) com
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Re: Transmission problems in cold weather

Postby drexel » 20 Jan 2008, 15:33

JRL wrote:I would flush the tranny and get the software update.
It could be a sluggish PNP switch but that will usually throw a light (arrow).\
It could be the old fluid or a shift solonoid but the 1st thing you have to do is have it as fresh as possible so change the fluid, reset the tranny adaptives and do the software update


Thank you for the suggests JRL. I have flushed tranny fluid with TYPEIV(proper fluid) approx 10K-15KM ago and I have had the software update.

Your right - the PNP switch should go on if there is a problem with it. Has not gone on yet.

Maybe a shift solonoid??

I think I'll have to bring it into a Volvo shop this week. They can probably scan for error codes on the solonoids i hope.
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