SOURCE: 1990 GMC Sierra 4x4 1500
the connections near the front axle that activate the motor to engage the system aren't melted? That's a comon problem for that body style. If there good, sounds like it could be that motor itself. To figure out if it's you motor or transfercase, jack up the rear end, have a friend inside shift into 4 wheel drive, or try to, and put it in gear and apply some gas. If the front driveshaft is turning then it's something with the front end. If not, farther back in the system.
SOURCE: remove steering wheel on 95 gmc jimmy
u will need a steering wheel puller,u will have to disharm and take airbag off if equip.,i would suggest to get manual it explains step by step procedure!
SOURCE: 1998 gmc 1500 will not engage front wheels manual
check and adjust if necessary 4x4 shift linkage
SOURCE: gmc suburban 1500 4 wheel drive 1994 is sending a
code 28 is transmission range pressure switch, check the fluid level and get back to me, hope this helps. Please rate my fix as i strive to be the best Thanks Ray
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