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GMC Sierra 3500 Problems

Popping Noise From Muffler Heat Shield on GMC Sierra 3500

Problem Description and Possible Solution

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.

(7 people reported this problem)

GMC Sierra 3500 Vehicles With This Problem

RepairPal Verified
Average mileage: (–)
Exhaust & Emissions affected: Gasoline
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
Not Your GMC Sierra 3500 Problem?
Brake problem? Or maybe a faulty head gasket cylinder?
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