Manifold/header/muffler/tail Pipe problems of the 2002 GMC Sierra

Two problems related to manifold/header/muffler/tail pipe have been reported for the 2002 GMC Sierra. The most recently reported issues are listed below.

1 Manifold/header/muffler/tail Pipe problem

Failure Date: 05/27/2015

The passenger side rear exhaust manifold bolt broke off. This is a manufacturer defect. This is a very common problem with these trucks.

2 Manifold/header/muffler/tail Pipe problem

The vehicles muffler was covered with metal that impacted the drive shaft and caused it to wear when the vehicle went over bumps.




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