2007 Chevrolet Trailblazer power train problems
15 owner complaints filed with NHTSA name the power train on the 2007 Chevrolet Trailblazer — 2% of all complaints for this model year.
What owners report
“Ive had to continueously replace the brakes axles, warped rotors . As well as needing to purchase tires for front end due to control arms malfunction. Constant replacemenf of front axle all causing rubbing, mis alignment and front end sitting inward. These replacements happen more than 3 times a…”
filed Dec 3, 2021
“Transmission hard shifting, slow torque converter clutch lock up and hard lock up when it does. Going down a hill the torque converter will unlock when letting off the gas and when starting up another hill the engine will speed up and then it will re-lock with a jerk. Lower gear shifts hard…”
filed Nov 6, 2017
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This service bulletin provides information on some vehicles that may rock or move slightly forward or rearward while in Park at start up after cold soak. This condition may be accompanied by a clunk noise. This is a…
08-07-30-026I · Service Bulletin/Repair Instructions · issued Sep 16, 2024
Power Train problems in other Trailblazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Trailblazer | 6 | 32% |
| 2024 Trailblazer | 7 | 22% |
| 2023 Trailblazer | 9 | 15% |
| 2022 Trailblazer | 32 | 30% |
| 2021 Trailblazer | 38 | 20% |
| 2009 Trailblazer | 1 | 4% |
| 2008 Trailblazer | 10 | 5% |
| 2006 Trailblazer | 49 | 4% |
| 2005 Trailblazer | 51 | 3% |
| 2004 Trailblazer | 62 | 6% |
| 2003 Trailblazer | 103 | 11% |
| 2002 Trailblazer | 310 | 27% |
Other reported problem areas on the 2007 Chevrolet Trailblazer
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.