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2001 GMC Sierra 2500
Worst 2001 Sierra 2500 engine Problems
Click on a problem below to read more.
- slapping of pistons1
- NHTSA: Engine And Engine Cooling3
- NHTSA: Engine2
- NHTSA: Engine And Engine Cooling: Engine: Gasoline1
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Compare GMC Sierra 2500 Model Years
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Check out our GMC Sierra 2500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 2500.