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Chevrolet Avalanche 2500 Problems

Popping Noise From Muffler Heat Shield on Chevrolet Avalanche 2500

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)

Chevrolet Avalanche 2500 Vehicles With This Problem

RepairPal Verified
Average mileage: 162,562 (125,000–200,125)
5 model years affected: 2002, 2003, 2004, 2005, more2006
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Brake problem? Or maybe a faulty head gasket cylinder?
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