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GMC
Yukon XL 1500
17

Popping Noise From Muffler Heat Shield on GMC Yukon XL 1500

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.

Problem Data
RepairPal Verified
Average mileage: 130,285 (43,000–215,000)
7 model years affected: 2000, 2001, 2002, 2003, more2004, 2005, 2006
17 people reported this problem
Comments
Viewing 1 - 6 of 6 comments
major vibration/rattling noise from muffler heat shield at 1100-1200 rpm only. Makes noise in gear or out of gear when engine/exhaust are hot only.