Chevrolet Trailblazer Engine and Engine Cooling Problems
Owners have filed 354 complaints with NHTSA about engine and engine cooling problems on the Chevrolet Trailblazer across 13 model years. The 2002 model year has the most (143). The words owners use most often: “fan clutch” (19% of reports).
- 354engine and engine cooling complaints
- —median miles at failure
- 13mention a crash
- 8mention an injury
- 0related recalls
- $1,150typical repair cost reported by owners
- 31%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Fan clutch: mentioned in 67 of 354 complaints (19%)
- Service engine: mentioned in 22 of 354 complaints (6%)
- Fuel gauge: mentioned in 18 of 354 complaints (5%)
How much does it cost to fix?
Owners who wrote down what they paid or were quoted put the typical engine and engine cooling repair on the Chevrolet Trailblazer at $1,150, and half of them between $1,000 and $1,400.
Based on 27 NHTSA complaints about this problem alone that state a repair bill or quote (2004–2011), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.
At what mileage do engine and engine cooling problems happen?
Based on 253 complaints that reported the odometer reading.
How serious are the reports?
Of 354 complaints, 13 mention a crash, 11 a fire, 8 an injury.
Chevrolet Trailblazer engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2023 Trailblazer | 3 | 4% | 95,626 |
| 2022 Trailblazer | 2 | 2% | 62,500 |
| 2021 Trailblazer | 2 | 1% | 69,425 |
| 2008 Trailblazer | 12 | 6% | 58,000 |
| 2007 Trailblazer | 12 | 2% | 52,500 |
| 2006 Trailblazer | 24 | 2% | 56,000 |
| 2005 Trailblazer | 44 | 3% | 54,550 |
| 2004 Trailblazer | 39 | 4% | 36,000 |
| 2003 Trailblazer | 65 | 7% | 49,890 |
| 2002 Trailblazer | 143 | 12% | 55,350 |
| 2001 Trailblazer | 5 | 25% | — |
| 2000 Trailblazer | 2 | 8% | 19,450 |
| 1999 Trailblazer | 1 | 25% | — |
When owners reported it
Related recalls (0)
No safety recall lists engine and engine cooling for the Chevrolet Trailblazer. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2023 Chevrolet Trailblazer. The contact stated that, while driving on several occasions with the auto start-stop feature activated, the vehicle appeared to shut down at a complete stop as the infotainment screen and dashboard lights turned off. The vehicle restarted automatically…
The contact owns a 2023 Chevrolet TrailBlazer. The contact stated while driving 70 MPH on the interstate , the vehicle independently went into engine power reduce mode. The contact mention she pulled off the interstate, turned the vehicle off for five to ten minutes then turned the vehicle back on…
vThe contact owns a 2021 Chevrolet Blazer. The contact stated that while driving at an undisclosed speed, there was an abnormal sound coming from the vehicle. No warning lights were illuminated. The vehicle was taken to the dealer, where it was diagnosed with a crack between the muffler and front…
The contact owns a 2022 Chevrolet Trailblazer. The contact stated while driving approximately 35 MPH, the check engine warning light illuminated. The contact drove the vehicle to a dealer to be diagnosed and it was determined that the Evaporator Emissions Canister Pump had failed and needed to be…
The contact owns a 2021 Chevrolet Trailblazer. The contact stated while driving at an undisclosed speed, the vehicle inadvertently lost motive power and was unable to accelerate above 40 MPH. The contact stated that after the failure, the vehicle went into LIMP Mode. The check engine warning light…
Frequently asked questions
Do all Chevrolet Trailblazers have engine and engine cooling problems?
No. NHTSA has 354 owner complaints about engine and engine cooling for the Chevrolet Trailblazer. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Chevrolet Trailblazer engine and engine cooling?
No recall currently lists engine and engine cooling for this vehicle.
How much does it cost to fix engine and engine cooling problems on the Chevrolet Trailblazer?
Owners report a typical cost of $1,150 (half paid between $1,000 and $1,400), from 27 complaints that state a repair bill or quote, in 2026 dollars.
What do owners say about engine and engine cooling problems on the Chevrolet Trailblazer?
The most frequent phrase is “fan clutch”, in 67 of 354 complaints, followed by “service engine” (22).
Other Chevrolet Trailblazer problems
- Electrical System problems (2,355)
- Fuel System, Gasoline problems (1,401)
- Exterior Lighting problems (761)
- Power Train problems (714)
- Fuel/propulsion System problems (383)
- Air Bags problems (382)
- Visibility problems (348)
- Fuel System, Other problems (287)
See all Chevrolet Trailblazer problems.