One problem related to power train driveline has been reported for the 2003 Chevrolet Blazer. The most recently reported issues are listed below.
Rear differential failure, 194,xxx miles, 2003 Chevrolet Blazer LS 4. 3 automatic, 7 5/8 3. 42 rear.
| Automatic Transmission problems | |
| Transfer Case problems | |
| Power Train Driveline problems | |
| Manual Transmission problems |