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2003 Chevrolet Trailblazer EXT
Worst 2003 Trailblazer EXT drivetrain Problems
Click on a problem below to read more.
- NHTSA: Power Train6
- NHTSA: Power Train: Transfer Case (4-Wheel Drive)6
- NHTSA: Power Train: Driveline2
- NHTSA: Power Train: Axle Assembly1
- NHTSA: Power Train: Driveline: Differential Unit1
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Compare Chevrolet Trailblazer EXT Model Years
Curious how the 2003 Trailblazer EXT compares to other years?
Check out our Chevrolet Trailblazer EXT overview to see the most problematic years, worst problems and most recently reported complaints with the Trailblazer EXT.