The muffler heat shield may become loose on the muffler causing a rattle or popping noise. Our technicians tell us there is a kit available from GM to correct this problem.
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Newest reported 2003 Chevrolet Avalanche 1500 problems
The steering wheel position sensor may fail, resulting in the service stability message being displayed.
The steering may develop a clunk type noise from the upper intermediate steering shaft. Our technicians tell us that you should check with you local GM dealer to find out what the latest repair is for this condition.