2001 Chevrolet Blazer power train problems
31 owner complaints filed with NHTSA name the power train on the 2001 Chevrolet Blazer — 10% of all complaints for this model year.
What owners report
“I have a 2001 blazer that keeps popping up a check engine light codes.I.e p0301,p0753,p0756,p0758. I have had these parts replaced twice in the last few months. Mechanic said it was related to the electrical system. The codes come back after driving for about 100 miles.”
filed Nov 17, 2020
“Transmission cooler lines between the radiator and transmission are corroded and pitted. The lines are installed over the exhaust catalytic converter. There is transmission fluid leaking from the lines, which is dripping onto hot exhaust components and burning, creating a fire hazard. These lines…”
filed Dec 1, 2016
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
Power Train problems in other Blazer years
| Year | Reports | Share |
|---|---|---|
| 2024 Blazer | 6 | 14% |
| 2023 Blazer | 10 | 25% |
| 2022 Blazer | 10 | 23% |
| 2021 Blazer | 18 | 14% |
| 2020 Blazer | 71 | 34% |
| 2019 Blazer | 62 | 34% |
| 2004 Blazer | 4 | 8% |
| 2003 Blazer | 12 | 16% |
| 2002 Blazer | 33 | 13% |
| 2000 Blazer | 84 | 14% |
| 1999 Blazer | 54 | 12% |
| 1998 Blazer | 74 | 10% |
Other reported problem areas on the 2001 Chevrolet Blazer
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.