Engine complaints by model year
| Year | Complaints | Share of year's complaints | Typical mileage |
|---|---|---|---|
| 2025 | 3 | 9% | — |
| 2024 | 9 | 18% | 29,000 miles |
| 2023 | 14 | 32% | 48,000 miles |
| 2022 | 16 | 30% | 121,000 miles |
| 2021 | 45 | 32% | 47,000 miles |
| 2020 | 73 | 33% | 70,000 miles |
| 2019 | 41 | 22% | 3,000 miles |
| 2008 | 1 | 20% | — |
| 2006 | 2 | 11% | 109,000 miles |
| 2005 | 1 | 7% | — |
| 2004 | 4 | 8% | 38,000 miles |
| 2003 | 6 | 8% | 44,000 miles |
| 2002 | 23 | 9% | 70,000 miles |
| 2001 | 23 | 7% | 47,000 miles |
| 2000 | 64 | 11% | 70,000 miles |
| 1999 | 64 | 15% | 67,000 miles |
| 1998 | 66 | 9% | 74,000 miles |
| 1997 | 93 | 12% | 82,000 miles |
| 1996 | 150 | 13% | 84,000 miles |
| 1995 | 215 | 18% | 83,000 miles |
Which parts fail
Components named in complaints (engine, cooling system, oil leaks, timing chain, exhaust).
Mileage when the problem started
What owners report
On two separate occasions the vehicle lost all power while driving. On December 5, 2025 turning on to a main road from parking lot the vehicle shut off with no prior warning lights. Shifted vehicle to park. No power to anything, unable to unlock doors, unable to turn on hazard flashers, stuck in the middle of the road at night. Waited a minute and pressed the start button and vehicle started with no problem. Again, on February 24 , 2026 making a left turn in intersection, without any warning the vehicle shut off... no power at all. Stuck in middle of road with no lights , no hazard flashers ,unable to get out of the car. Few minutes later vehicle started again. The vehicle did not stall while stopped, it completely lost power while moving. …
The engine started acting weird in traffic going down hill on freeway. Eventually turned off turning into my driveway. No warning or engine light. Towed to dealer and is in for inspection, not sure if they can repair or if they have to replace the engine. When it arrived to dealer the engine light was on with a couple misfires
The contact's daughter rented a 2024 Chevrolet Blazer. The contact stated that while his daughter was driving at an undisclosed speed, after driving over a small imperfection in the roadway, there was an abnormal scraping sound coming from underneath the vehicle. The driver pulled over to the shoulder of the roadway. After a visual inspection, the contact observed that the exhaust mounting bracket had disconnected. The vehicle was taken to an independent mechanic by the rental company, and the vehicle was repaired; however, the contact's daughter was not provided with the diagnostic results. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 29,000.
The contact owns a 2024 Chevrolet Blazer. The contact stated while the vehicle was at the dealer to be serviced, the contact was informed that the oil pressure was low. The vehicle was taken to the dealer, and the dealer confirmed an oil leak. The contact was informed that the manufacturer had not developed a particular part to fix the vehicle. The contact was informed that blue silicone was used to seal the leak. In addition, the contact stated that the failure reoccurred. The vehicle was taken back to the dealer several times, but the failure persisted. The manufacturer was made aware of the failure and a case was filed. The failure mileage was approximately 18,000.
The contact owns a 2023 Chevrolet Blazer. While the vehicle was at a dealer for routine maintenance, the contact was informed that an unknown fluid was leaking from the radiator. The vehicle was less than one year old, and the radiator was replaced under warranty. Two years and two months later, while at the dealer for a module repair, the contact was informed that a second leak was discovered in the replacement radiator. The contact offered customer assistance toward the cost of a second replacement radiator. Upon investigation, the contact discovered that tabs on the radiator caused the leak. During the second radiator replacement, the contact noted that the tabs were removed, whereas the first two radiators were equipped with tabs. The manufacturer was notified of the failure, and a case was filed. The vehicle was repaired. The failure mileage was approximately 23,000.
The contact owns a 2023 Chevrolet Blazer. The contact stated that while driving 10 MPH and pulling into a parking lot, the sun gear and the drive shaft fractured. The vehicle became inoperable. The vehicle was pushed to a safe place. The check engine warning light illuminated after the failure. The contact associated the failure with NHTSA Campaign Number: 23V172000 (Power Train). The vehicle was towed on a flatbed to the local dealer. The vehicle was not diagnosed or repaired. The dealer provided an estimate for the transmission replacement. The manufacturer was contacted and confirmed that there was no recall coverage on the VIN for the failure. The manufacturer referred the contact to the NHTSA Hotline for assistance. The failure mileage was approximately 107,000.
The contact owns a 2022 Chevrolet Blazer. The contact stated that upon stopping at a red traffic light, the vehicle's auto start/stop system activated and turned the engine off. The warning message "Brake System Failure - ESC- Steering Assistance Reduced". The driver was able to pull to the shoulder of the roadway and turn the vehicle off. Upon restarting the vehicle, the vehicle returned to normal functionality, but the failure recurred. The check engine warning light was illuminated. The vehicle was not diagnosed or repaired by the dealer or an independent mechanic. The manufacturer was notified of the failure, and a case was filed. The contact was referred to the NHTSA Hotline for assistance. The failure mileage was 121,000.
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 that the dealer was replacing a lot of radiators for similar failures. The vehicle was not repaired. The manufacturer was contacted, and a case was opened. The failure mileage was approximately 49,500.
Related recalls (1)
Engine and engine cooling › Cooling system › Fan
Fan blade rivet breakage can occur causing the fan blade to separate from the spider.
Remedy: Dealers will inspect and replace, if necessary, the fan with a newer fan having thicker-headed rivets.
Frequently asked questions
Which Chevrolet Blazer years have engine problems?
By NHTSA complaints, the 1995 (215), 1996 (150), 1997 (93), 2020 (73) and 1998 (66) model years. Engine complaints make up 18% of all complaints for the 1995.
Is there a recall for Chevrolet Blazer engine problems?
Yes — 1 recall, including 95V-180 (fan, Sep 22, 1995). Recall repairs are free at authorized dealers; check a specific car with the VIN recall check.
At what mileage do Chevrolet Blazer engine problems start?
Across all years, half of the complaints with a recorded mileage happened before about 69,000 miles; 32% happened before 50,000 miles.
What part fails most often?
Owners most often name the engine › gasoline (169 mentions), followed by the cooling system (149).
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.