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2005 Buick Terraza

Tiny
BILL SPRAGUE
  • MEMBER
  • 2005 BUICK TERRAZA
2005 Buick Terraza All Wheel Drive Automatic

all wheel drive disabled light stays on. Fuse is good. Only front wheels drive currently, no rear wheel drive. What next?
Tuesday, November 10th, 2009 AT 12:11 PM

1 Reply

Tiny
DENNYP
  • MECHANIC
  • 1,823 POSTS
There is a common failure in the AWD system. It is the differential clutch pump actuator check valve. This is the small sensor that is mounted in the rear end. It will have a couple of wires going to it. It is #28 in the picture.


https://www.2carpros.com/forum/automotive_pictures/102900_630742_1.jpg

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Friday, November 20th, 2009 AT 12:41 PM

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