Popping Noise From Muffler Heat Shieldon GMC Sierra 1500 HD

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.

RepairPal Verified
Average mileage : (–)
7 Years Affected: 2001, 2002, 2003, 2004, 2005, 2006, 2007
7 people reported this problem
0 people shared problem details
Related Items:
One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail,...
The steering may develop a clunk type noise from the upper intermediate steering shaft.  O...
While engine is running there is a ticking noise comming from the lifter.
A rattling noise may develop from the AC belt tensioner. This can be caused by an internal faul...
A clicking noise may be noted from the turn signal flasher after the turn signals are switched...

Related Content