EnginePart report
2002 Chevrolet Trailblazer EXT 370 Engine Problems
- Complaints
- 1about this part
- Share
- 17%of 6 total for the year
- Median mileage
- 217,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2002 Chevrolet Trailblazer EXT 370, 17% of the 6 complaints for this model year. Where a mileage was given, the median is 217,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Related service bulletins
- 11004761Jun 28, 2024This service bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank or…
- 10082869Aug 29, 2016This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
- 10082814Aug 2, 2016This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
Engine: other model years
Other parts of the 2002 Chevrolet Trailblazer EXT 370
Electrical system
2 complaintsExterior lighting
2 complaintsBrakes
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSteering
1 complaintsTransmission and drivetrain
1 complaints
2 complaintsExterior lighting
2 complaintsBrakes
1 complaintsFuel system
1 complaintsOther or unknown
1 complaintsSteering
1 complaintsTransmission and drivetrain
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