Car Problem Reports

GMC Sierra 3500 Popping Noise From Muffler Heat Shield

 
GMC Sierra 3500 Problem
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Model Years Affected: 2001, 2002, 2003, 2004, 2005, 2006, 2007

Exhaust & Emissions Affected: Gasoline

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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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