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All Wheel Drive that Isn't

Help, Advice, Owners' Discussion and DIY Tutorials on the Volvo S80 model. Sometimes called an "executive car", the S80 was and continues to be Volvo's top-of-the-line passenger car.
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White Chocolate
Posts: 3
Joined: Thu Mar 16, 2017 10:36 am
Year and Model: 2005 S80 2.5T AWD
Location: Monongahela, PA
United States of America

All Wheel Drive that Isn't

Post by White Chocolate » Mon Mar 20, 2017 12:57 pm

So I have a 2005 S80 2.5T AWD. The question I have is that my all-wheel-drive isn't.

This winter, I noticed a couple of times that my car was slipping. When I was on icy snow, the front wheels would spin, the traction control light would flash, but the rear wheels would never engage. For instance, going up a driveway, the front wheels would lose traction and spin and with an observer watching, the rear wheels would never engage and help the car move.

What would cause the all wheel drive system to not work? More importantly, I find it bizarre that there is no code stored for this issue. Where do you even begin to look? Bevel gear? Transfer case?

Thanks.

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oragex
Posts: 2241
Joined: Fri May 24, 2013 6:20 am
Year and Model: S60 2003
Location: Canada
Contact:
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Re: All Wheel Drive that Isn't

Post by oragex » Mon Mar 20, 2017 5:54 pm

You may want to Google up about 'Volvo awd problem'. Look for spline or collar gear damage. Very common issue. Some forums offer tips for this costly repair.
2003 2.4i S60 automatic 120k miles

ThommyKent
Posts: 155
Joined: Fri Nov 30, 2012 8:30 pm
Year and Model: 91 245 97 850 T5
Location: Bellevue WA USA
Romania

Re: All Wheel Drive that Isn't

Post by ThommyKent » Mon Mar 20, 2017 7:08 pm

White Chocolate wrote:So I have a 2005 S80 2.5T AWD. The question I have is that my all-wheel-drive isn't.

Bevel gear? Transfer case?

Thanks.
Both of those and good luck. Google is your friend.

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