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.
Problems for specific Chevrolet Silverado 1500 HD years:
Car problem reports
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Most reported 2008 Chevrolet Silverado 1500 HD problems
The fuel pump may fail causing the engine to stall and not restart.