Yukon XL 1500

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
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.