2002 GMC 4WD Issues

Tiny
ASPEN4535
  • 2002 GMC ENVOY
  • 4WD
  • AUTOMATIC

Hello. My 2002 GMC Envoy changes from 2wd to 4hi and 4lo on its own when I start it. And then when it does change to 4hi, in reverse it does it with hesitation. What do you think the problem is?

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Wednesday, January 19th, 2011 AT 2:30 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
  • 68,398 POSTS

Check the wiring to the 4wd actuator on the transfer case. Make sure there is no damage and the wiring plug is not damaged or corroded.

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Wednesday, February 9th, 2011 AT 2:00 AM

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