Question about 2002 Buick Rendezvous

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AWD Light stays on

My AWD Light stays on in my 2002 Rendesvous. Internet suggested that electrical harness into front wheels may have parted due to being too short when installed. Had 2 dealers check this. No solution.
3rd dealer stated that the problem was in the differential pump valve, when the temperture sensor was giving a false reading and disconnecting the rear wheel drive. Replaced with GM Part 88896067, and it solved the problem. Mechanic stated that if it is ONLY the AWD light, then this is usually the problem. If the ABS Disable light also goes on, then it is the harness on the wheel sensor.

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3rd dealer stated that the problem was in the differential pump valve, when the temperture sensor was giving a false reading and disconnecting the rear wheel drive. Replaced with GM Part 88896067, and it solved the problem. Mechanic stated that if it is ONLY the AWD light, then this is usually the problem. If the ABS Disable light also goes on, then it is the harness on the wheel sensor.

Posted on Jul 29, 2009

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