Problem overview
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.
38 people reported this problem
21 commentsChevrolet Silverado 2500 HD vehicles with this problem
8 model years affected
Average mileage: 101,934 miles
(5,000 - 204,000)
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