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2002 GMC Sierra 3500 Questions

Get answers to questions about your 2002 GMC Sierra 3500 at RepairPal. Find solutions, diagnose problems and get back on the road.

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The noise roars and vibrates. 30-35 mph is top speed just happened in a 20 mile trip. It was so bad had to park

do you have to pull axel

I have a duramax 6.6 and once I drive for about a mile the ABS light pops on and the truck down shifts, bringing my speed down to about 55 mph. I have been told something about slack in the transfer case and then he change to something else not sure of this guy.