Chevrolet Blazer Engine and Engine Cooling Problems
Owners have filed 710 complaints with NHTSA about engine and engine cooling problems on the Chevrolet Blazer across 18 model years. The 1995 model year has the most (213). The words owners use most often: “egr valve” (10% of reports).
- 710engine and engine cooling complaints
- —median miles at failure
- 10mention a crash
- 6mention an injury
- 1related recalls
- $940typical repair cost reported by owners
- 39%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.
- EGR valve: mentioned in 73 of 710 complaints (10%)
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 Blazer at $940, and half of them between $590 and $1,500.
Based on 27 NHTSA complaints about this problem alone that state a repair bill or quote (2000–2012), 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 153 complaints that reported the odometer reading.
How serious are the reports?
Of 710 complaints, 10 mention a crash, 25 a fire, 6 an injury.
Chevrolet Blazer engine and engine cooling complaints by model year
| Model year | Engine and Engine Cooling complaints | Share of that year | Median miles |
|---|---|---|---|
| 2024 Blazer | 2 | 4% | 23,500 |
| 2023 Blazer | 1 | 2% | 48,000 |
| 2022 Blazer | 1 | 2% | 49,500 |
| 2021 Blazer | 3 | 2% | 63,000 |
| 2020 Blazer | 3 | 1% | 97,000 |
| 2019 Blazer | 1 | 1% | 22,000 |
| 2008 Blazer | 1 | 20% | — |
| 2005 Blazer | 1 | 7% | — |
| 2004 Blazer | 4 | 8% | 38,000 |
| 2003 Blazer | 6 | 8% | 40,000 |
| 2002 Blazer | 20 | 8% | 42,919 |
| 2001 Blazer | 23 | 7% | 47,000 |
| 2000 Blazer | 63 | 11% | 69,500 |
| 1999 Blazer | 62 | 14% | 65,000 |
| 1998 Blazer | 64 | 9% | 73,197 |
| 1997 Blazer | 93 | 12% | 81,167 |
| 1996 Blazer | 149 | 13% | 83,750 |
| 1995 Blazer | 213 | 17% | 82,379 |
When owners reported it
Related recalls (1)
Engine and engine cooling:cooling system:fan
Model years: 1995
Problem: Fan blade rivet breakage can occur causing the fan blade to separate from the spider.
Risk: If this occurred while the hood was open, a person working under the hood of the vehicle or in the vicinity of the vehicle could be struck by the fan blade and injured.
Fix: Dealers will inspect and replace, if necessary, the fan with a newer fan having thicker-headed rivets.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
The contact owns a 2020 Chevrolet Blazer. The contact stated that while operating the vehicle, the check engine warning light intermittently illuminated, and the vehicle hesitated while accelerating. The vehicle was taken to the local dealer to be diagnosed, and the contact was informed that the…
The contact owns a 2021 Chevrolet Blazer. The contact stated that a technician identified a radiator leak during an emissions test after smelling an abnormal coolant odor. The technician confirmed that the coolant had leaked from the vehicle. Prior to the discovery by the technician, the…
The contact owns a 2019 Chevrolet Blazer. The contact stated that while starting the vehicle, there was a strong odor coming from the vehicle, and no warning lights illuminated. The contact also stated that a "Shift to Park" warning message displayed while the vehicle was already in Park, requiring…
The contact owns a 2022 Chevrolet Blazer. The contact stated that the coolant was leaking from the radiator. There were no warning lights illuminated. The vehicle was taken to the local dealer, where it was diagnosed and determined that the radiator needed to be replaced. The contact was informed…
The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving, a code appeared on the dashboard P0128. When the vehicle's engine was switched off, the engine cooling fan continued to run. Warning light stating the steering would be disable.; however power steering was not lost…
Frequently asked questions
Do all Chevrolet Blazers have engine and engine cooling problems?
No. NHTSA has 710 owner complaints about engine and engine cooling for the Chevrolet Blazer. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the Chevrolet Blazer engine and engine cooling?
Yes: 1 safety recall list engine and engine cooling. Check your VIN on NHTSA.gov to see whether the fix was done on your car.
How much does it cost to fix engine and engine cooling problems on the Chevrolet Blazer?
Owners report a typical cost of $940 (half paid between $590 and $1,500), 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 Blazer?
The most frequent phrase is “egr valve”, in 73 of 710 complaints.
Other Chevrolet Blazer problems
- Service Brakes, Hydraulic problems (1,310)
- Visibility problems (836)
- Power Train problems (752)
- Electrical System problems (686)
- Suspension problems (599)
- Fuel System, Gasoline problems (352)
- Exterior Lighting problems (337)
- Air Bags problems (322)
See all Chevrolet Blazer problems.