1991 GMC Sierra 4x4. Doesnt want to lock into 4 wheel drive???

Asked by jnunley0919 Feb 25, 2010 at 10:52 PM about the 1991 GMC Sierra 1500 K1500 4WD Standard Cab SB

Question type: Maintenance & Repair

I put a new axle in the front of my truck today and the 4 wheels drive worked. Tried it again a few hours later and cant get it to lock in? Anyone got any solutions to this problem???? Anything will help.

1 Answer
15

Ryan answered 14 years ago

if it has the electronic acuator in the front chunck check that acuator

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