GMC Sierra 3500 owners have reported 2 problems related to manifold/header/muffler/tail pipe (under the engine and engine cooling category). The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of GMC Sierra 3500 based on all problems reported for the Sierra 3500.
Engine exhaust manifold bolts break off on 2 different gm 1 ton trucks. Bad/ failed vehicle emissions and a huge repair bill for both trucks. 85,000 miles on both vehicles.
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all problems of the 2005 GMC Sierra 3500
🔎.
Cab keeps filling up with exhaust fumes, causing passenger to get sick. Dealer claims engine gets too hot, causing engine manifold to warp and gasket to blowout. It is a design flaw.
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all problems of the 1999 GMC Sierra 3500
🔎.
| Problem Category | Number of Problems |
|---|---|
| Engine And Engine Cooling problems | |
| Engine Cooling System problems | |
| Engine Exhaust System problems | |
| Engine Shut Off Without Warning problems | |
| Car Stall problems | |
| Check Engine Light On problems | |
| Engine Belts And Pulleys problems | |
| Manifold/header/muffler/tail Pipe problems | |
| Engine problems | |
| Engine Burning Oil problems |