2011 Mazda CX-9 service brakes problems
97 owner complaints filed with NHTSA name the service brakes on the 2011 Mazda CX-9 — 57% of all complaints for this model year.
What owners report
“Brake booster failure. The power assisted braking has stopped working. There are no leaking vacuum hoses and the check valve is working. The brake pedal travels to the floorboard.”
filed Oct 20, 2024
“The contact owns a 2011 Mazda CX-9. The contact stated while driving 20 MPH, there was an abnormal sound coming from the brakes. The contact stated that the brake pedal was firm and difficult to depress while attempting to stop the vehicle. The vehicle was not diagnosed or repaired. The…”
filed Feb 7, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Service Brakes problems in other CX-9 years
| Year | Reports | Share |
|---|---|---|
| 2021 CX-9 | 4 | 11% |
| 2020 CX-9 | 2 | 11% |
| 2019 CX-9 | 2 | 4% |
| 2018 CX-9 | 11 | 9% |
| 2016 CX-9 | 11 | 11% |
| 2015 CX-9 | 3 | 9% |
| 2014 CX-9 | 9 | 17% |
| 2013 CX-9 | 16 | 24% |
| 2012 CX-9 | 139 | 63% |
| 2010 CX-9 | 88 | 45% |
| 2009 CX-9 | 17 | 29% |
| 2008 CX-9 | 23 | 13% |
Other reported problem areas on the 2011 Mazda CX-9
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.