2021 Chevrolet Blazer service brakes problems
18 owner complaints filed with NHTSA name the service brakes on the 2021 Chevrolet Blazer — 14% of all complaints for this model year.
What owners report
“Went to park car in a park to drop daughter off and it sputtered out and stalled out of nowhere with no warning. I had received a lamp warning very sporadically prior to this and on occasion that stated 'reduced steering assist drive with care' this resulted in heavy steering for that drive until…”
filed Apr 29, 2026
“Brake booster failed after 50k miles needing repair. Brake became very still, prolonging the time it takes to stop the vehicle”
filed Sep 20, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other Blazer years
| Year | Reports | Share |
|---|---|---|
| 2025 Blazer | 3 | 12% |
| 2024 Blazer | 8 | 19% |
| 2023 Blazer | 8 | 20% |
| 2022 Blazer | 3 | 7% |
| 2020 Blazer | 10 | 5% |
| 2019 Blazer | 14 | 8% |
| 2006 Blazer | 1 | 5% |
| 2004 Blazer | 4 | 8% |
| 2003 Blazer | 3 | 4% |
| 2002 Blazer | 6 | 2% |
| 2001 Blazer | 6 | 2% |
| 2000 Blazer | 4 | 1% |
Other reported problem areas on the 2021 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.