Question about 2003 GMC Envoy Xl
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Posted on Jan 02, 2017
well just took mine into a shop & it turns out service engine light was a bad locking gas cap I replaced it & wallaa fixed & the light is now off after being reset
Posted on Aug 05, 2008
SOURCE: I lost my 4 wheel
Well, just got back from the dealership, $762.00 later the problem is supposedly fixed. We'll see. They replaced the actuator ($550.00 part only) They also said by replacing this there is the potential to short out the brain box that controls the 4wd system. I have a 2005 Yukon and this problem first occurred around 38K miles last winter. When I took it in then since it was intermittent they could not identify exactly what it was. This time it had been inop for 3-4 days. I went to the dealer this morning and pulled in the service drive and shut the veh off, I could not get it in until 1pm so I left and ran some errands. Well low and behold when I started it to leave the service drive it was working. After making several stops it was on and off every other time I started it. Oh an by the way it is not covered by the 100k powetrain warranty since it is an "electrical problem." BS in my book. When I left the dealership I asked the service advisor if this one would be good for another 38k miles, he said Yes, well i should f-ing hope so. My 99' yukon had the same type 4wd system and it last more than 158k and never had an issue with the 4wd. I guess factory workers get 35 bucks an hour, for a job a trained monkey could do, but there parts are sh-t. No bail out for GM in my book, with this kind a **** the deserve to go bankrupt. As you can tell I am highly upset about it. In researching this I have found numerous complaints for the same issue and there are several TSB's from GM regarding the issue, but no recall, just bend over and take it.
Posted on Dec 22, 2008
there is something wrong with you 4wd system might be electrial problem get it check be gmc service tech for diag code
Posted on Mar 09, 2009
The actuator on the front diff or transfer case is stuck or bad. This will send a signal back and turn on the service light. In 2003 I believe the actuator is on the front differential.
Posted on Oct 24, 2009
I have seen lots of problems with the 4x4 motor/acuator at the transfer case. If possible take it off and replace it with a used one, because it is very expensive. From my experience working on cars and trucks for 15 years that is usually the problem....but to be certain, have someone with a scanner hook up and check the codes for that problem.
Posted on Dec 07, 2009
Tips for a great answer:
Mar 02, 2014 | 2008 GMC Sierra 1500
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4 wheel drive system will not disengage?
4WD light is flashing and beeping? NO 4WD high? http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html
----------------This will help.Thanks.
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