Truck stuck in 4 lo. wont disengage. have removed battery and left sit. still wont work. have drifted backwards 20 feet and it still wont disengage. servo box behind passenger side kick panel just clicks and nothing happens. please help
I found the problem it was the acuator on the side of transfer case so i took it off and manualy put it in 2 wheel drive now all i have to do is get under there and turn it with a tire iron thanks but got it under control......
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go simple steps fist make sure the fuses and relay r good should be a relay that for somthing else that is the same swap them be for buy one ten insure have power coming out the switch also have ingage and disengage it and listen by the tranfercase insure that it is ingaging you should here it
If its a push button 4x4 take it to the shop its a VERY COMMON Problem dealing with the electric.Once you pay the $400 to get it fixed get rid of the truck and settle for a Jimmy/Blazer/Bravada with a floor shift 4x4..GM had problems with the push button 4x4.DONT DRIVE YOUR TRUCK IN THE MEANTIME.YOU WILL BLOW YOUR TRANSFER CASE RIGHT OUT OF IT!
I have had the same problem with my 2000 jimmy. Disconnect the battery for approx 1 minute and then reconnect, this should reset the computer. It has worked for me every time. I was told it was a glitch with GMC.
Look in your fuse box for the bcm fuse (body control module) and remove the fuse atleast for a mint and then start the vehicle, put it in neutral and disengage the 4L and you are done once it is disengaged turn the vehicle off and re-insta the fuse yo pulled out and you should have no problem.
i believe those are vacuum controlled on top of the transfer case is a plug with 3-4 vacuum lines going to it,you will need to take it out and see if the check ball is stuck if it is it needs to be replaced