Question about Cars & Trucks
There is a vaccum line running down to the front differential check and make sure there is no vaccum while in two wheel drive. If there is then the 4wheel drive is still engaged and you may have to replace the tcc motor
Posted on Nov 08, 2014
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Posted on Jan 02, 2017
SOURCE: 1994 GMC Jimmy stuck in
Try checking the fuse when you open the driver door theres a panel look at the diagram it should be the first 20A bottom left beside the silver fuses
Posted on Jan 15, 2009
Yeah your right about waer but you might be blaming the wrong part. With the truck up on jack stands ( all wheels off the ground) have a helper drive the truck at the speeds that make the most noise you'll find it in the front axel or fround U joints or drive shaft splines ( drive shaft jumping ) You watch the parts moving and the joints or the cable that shifts the ront axel in and out not moving all the way it uses a vacume motor under the battery that has a cable going to the front axel. the clutches that are in the front axel have clips on them that hold the side gears that engage and disingage as you turn it on and off the clips break get lost fall off were out and let the side gears do as they please and they runinto each other a click and pop/ the cable and the shift fork that move them also fail but not htat much as the cable fails and the vacume leak pulls on a spring in two wheel and it may not be pulling hard enough/
Posted on Sep 17, 2010
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