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2005 Buick Rendezvous Warning for A.W.D. Disengage

Tiny
FRANKH
  • MEMBER
  • 2005 BUICK RENDEZVOUS
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 8,810 MILES
I received a warning light that says A.W.D. Disengage. Had the computer checked and ther are no codes in the computer. Checked all terminals for loose or broken connections and all are good.

No other problems with car.
Friday, August 7th, 2009 AT 2:32 PM

2 Replies

Tiny
BRIAN 1
  • MECHANIC
  • 1,030 POSTS
Inspect connector C305 and C305B at the body pass through for corrosion, if no corrosion is found suspect the differential clutch pump actuator check valve as the possible cause. Post back with what you find.
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Friday, August 7th, 2009 AT 6:20 PM
Tiny
FRANKH
  • MEMBER
  • 2 POSTS
Your asssesment was right on. It wasn't the terminals but it is a defective rear differntial pump activator as you said.

Thanks for the great help

Frank
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Monday, August 10th, 2009 AT 7:18 AM

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