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2005 GMC Sierra
Worst 2005 Sierra transmission Problems
Click on a problem below to read more.
- slips our of gear while driving1
- NHTSA: Power Train: Automatic Transmission4
- NHTSA: Power Train: Automatic Transmission: Cooling ...1
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Check out our GMC Sierra overview to see the most problematic years, worst problems and most recently reported complaints with the Sierra.