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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
Curious how the 2001 Sierra 2500 compares to other years?
Check out our GMC Sierra 2500 overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra 2500.