2006 Chevrolet Trailblazer EXT Engine Problems
- Complaints
- 2about this part
- Share
- 1%of 189 total for the year
- Median mileage
- 7,600miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2006 Chevrolet Trailblazer EXT, 1% of the 189 complaints for this model year. Where a mileage was given, the median is 7,600 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've had my trailblazer for two years now about 4/2010 the windows would go up and down on their own and the power lock stopped working so chevy replaced the main control switch then about 6/2011 I had to replace the wheel bearings and the sensor twice and about 01/2012 the wipers and washer fluid wouldn't shut off got a new wiper motor put in and now the truck has been sitting since 4/2012 had to have it towed from albany because the truck just all of a sudden slowed down even with my foot on the gas pedal and now I have ten different codes that came up two for the camshaft sensor and…”
NHTSA complaint #10479786, filed 2012-10, 7,600 milesRelated service bulletins
- 11007091Aug 5, 2024This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
- 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…
- 10211658May 2, 2022This service bulletin provides policy information on warranty administration guidelines for multiple repairs with independent causes (GM Canada Dealers Only).
- 10082869Aug 29, 2016This informational bulletin provides additional information on how to install pistons and suggest what tools to use.
- 10082822Aug 12, 2016This informational bulletin provides information on how to test a battery and what is needed to warranty a battery.
- 10082814Aug 2, 2016This informational bulletin provides information to gm dealers on the correct cleaning methods when cleaning engine gasket sealing surfaces.
- 10082820Aug 1, 2016This informational bulletins provides information on the intake manifold inspection/replacement after servere internal engine damage.
- 10201098Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10190503Dec 1, 2015OEM and Remanufactured Engine and Automatic Transmission/Transaxle Identification
- 10138197Nov 12, 2012This informational bulletin provides a revision for 01-00-89-010I to add the 2013 model year.
Engine: other model years
Other parts of the 2006 Chevrolet Trailblazer EXT
129 complaintsElectrical system
41 complaintsExterior lighting
11 complaintsBody and structure
9 complaintsVisibility (wipers, defrost, mirrors)
8 complaintsTransmission and drivetrain
6 complaintsAir bags
4 complaintsEngine cooling
4 complaintsOther or unknown
4 complaintsBrakes
3 complaintsTires
3 complaintsLatches, locks and linkages
2 complaints
← All problems reported for the 2006 Chevrolet Trailblazer EXT
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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