2002 Chevrolet Trailblazer EXT 370 Transmission and drivetrain Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 75,100miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the transmission and drivetrain of the 2002 Chevrolet Trailblazer EXT 370, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 75,100 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“I have a 2002 trailblazer, the transmission just went out on it. I only have 75,000 mile and after doing some research have found out that I'm not the only one that has had this problem. Just on goggle there are 97,100 hits for transmission problems with the trailblazer.”
NHTSA complaint #10174496, filed 2006-11, 75,100 milesRelated service bulletins
- 11006421Jul 24, 2024GM 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…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10242843Sep 1, 2023The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the…
- 10220319Sep 1, 2022This diagnostic tip advises the tech not to separate the flexplate from the torque convertor or damage my occur if the engine is started while diagnosing for noise from the…
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2005 | 5 | 2% |
| 2002 | 1 | 17% |
Other parts of the 2002 Chevrolet Trailblazer EXT 370
2 complaintsExterior lighting
2 complaintsBrakes
1 complaintsEngine
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSteering
1 complaints
← All problems reported for the 2002 Chevrolet Trailblazer EXT 370
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology