Popping Noise From Muffler Heat Shield on GMC Yukon XL 2500

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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Average mileage: 143,000 (143,000–143,000)
7 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006
9 people reported this problem
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2001 GMC Yukon XL 2500 143,000 mi,
muffle is coming apart(got holes and tail pipe broke loose from it).