2023 Chevrolet Blazer engine problems
12 owner complaints filed with NHTSA name the engine on the 2023 Chevrolet Blazer — 30% of all complaints for this model year.
What owners report
“The vehicle’s radiator developed a coolant leak that was discovered and confirmed by the dealership during a routine oil change, tire rotation and state inspection. There were no warning lights, warning messages prior to the dealership discovering the leak. The radiator required replacement. The…”
filed Aug 2, 2026
“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…”
filed Jun 23, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other Blazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Blazer | 3 | 12% |
| 2024 Blazer | 6 | 14% |
| 2022 Blazer | 13 | 30% |
| 2021 Blazer | 36 | 29% |
| 2020 Blazer | 68 | 32% |
| 2019 Blazer | 38 | 21% |
| 2006 Blazer | 2 | 11% |
| 2002 Blazer | 3 | 1% |
| 2000 Blazer | 1 | 0% |
| 1999 Blazer | 2 | 0% |
| 1998 Blazer | 2 | 0% |
| 1996 Blazer | 1 | 0% |
Other reported problem areas on the 2023 Chevrolet Blazer
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.