Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
will you just hear the front axle trying to engage ?
on the drivers side of the transfer case there is a vacuum baal switch as seen here if you unplug the vacuum lines off it and plug up the one with vacuum and drive it will it still do this ?
if not and very common that vacuum ball switch si bad if you replace it that should fix this problem
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picture of the location
how are you making out ?