One problem related to manifold/header/muffler/tail pipe has been reported for the 2008 GMC Sierra 2500. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 GMC Sierra 2500 based on all problems reported for the 2008 Sierra 2500.
When traveling merging on I-70 outside of london ohio my truck started making very loud exhaust sound. After inspection found that driver side and passenger side rear exhaust manifold bolts where broke off allowing unfiltered exhaust to pass. If leak would have been too bad the high temperature of the exhaust could potentially cause a fire inside the engine compartment. The exhaust also broke welds off the exhaust causing the exhaust to fall the break is where the h-pipe come together.
| Engine And Engine Cooling problems | |
| Car Stall problems | |
| Engine Cooling System problems | |
| Manifold/header/muffler/tail Pipe problems |