Question about 2002 GMC Envoy
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Posted on Jan 02, 2017
If your luck it's going to be a $15.00 vacuum switch on the transfer case that takes about 15 min to replace, if it's the electronic solenoid to the transfer case then it's going to be cost a little more and take a little longer. If your try switching from 4WD to 2WD and hear the solenoid working by hearing the cluck's when it engages and disengage then it's going to be the vacuum switch on top of the transfer case on the drivers side. Auto Zone Sell's them for $15.00 and they will have the step by step instructions to replacing the switch. They will also have the transfer case solenoid too, if you don't hear the solenoid. Check the fuses, the fuse may have gone bad. Good luck and hope this helps.
Posted on Jun 19, 2009
There may be a stuck relay Stuck in the "On" position. A relay is a remote switch that does the heavier work of a smaller or more delicate switch. It is probably under the seat but if you have "memory" seats that move the power seats back and forth it is probably the control box causing the problem. It has relays inside it.
Posted on Jun 30, 2009
I suggest checking your starter motor. If the starter motor is staying engaged it could be a bad solenoid or a bad ignition switch.
I hope this helps.
Posted on Nov 07, 2009
The new design filler neck on newer gm vehicles don't have a flap. The flap was just to keep stuff from falling in. I've had problems with the fuel sending unit in the tank on these vehicles.
Posted on Jan 01, 2010
Tips for a great answer:
Jun 23, 2014 | 2002 GMC Envoy
Jun 01, 2012 | 2005 GMC Envoy
Gear Kit, Steering
(Short Wheelbase Utilities)
Gear Kit, Steering
(Long Wheelbase Utilities)
Warranty InformationFor vehicles repaired under warranty, use:
Gear Assembly, Power Steering - Replace
Use published labor operation time
Toe, Front - Adjust
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