Question about GMC Cars & Trucks
Light doesn't go on the dash also
Check the actuator on front differential...very very common problem approx. 75$ and 15 minutes to replace
Posted on Dec 09, 2014
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Posted on Jan 02, 2017
I had the same problem with my 98 z71, I put the floor shifter in neutral, and let the truck roll backwards a little bit, BE CAREFUL, with the floor shifter in neutral the truck will roll, regardless if the shifter on the steering column is in Park, use caution, make sure there is no one around your truck and you are inside of it and out of the path of doors and tires,
Posted on Dec 17, 2008
SOURCE: Service four wheel drive
Without further diagnostics, it could be any # of causes, but these are notorious for bad conections at the transfer case encoder motor and /or the encoder motor itself.The motor,when replaced may need to be reprogramed.Be sure the switch and wiring are functioning properly as the encoder and/or related control module are pricy$$
Posted on Jan 10, 2009
I have found that when you are going to engauge 4x4 high, it is best to only be going about 3 miles an hour. Not faster, not stopped. It likes some movement to help it mesh. I've had perfect shifts since I started this. Hope it helps. Wade.
Posted on Jan 27, 2009
Sounds like a n electrical shift actuator is at fault. It would be located on the transfer ccase. Make sure the fuse isn't blown and the wiring is connected at the case.
Posted on Jun 06, 2009
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