NHTSA Complaint #11270101 — 2016 MAZDA CX-9
SERVICE BRAKES issue reported to NHTSA
Complaint Details
| ODI Number | 11270101 |
| Vehicle | 2016 MAZDA CX-9 |
| Component | SERVICE BRAKES |
| Date of Incident | |
| Date Filed | |
| Mileage | 60,000 miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | CA |
Consumer Description
BOTH REAR BRAKES LOCKED UP ON SEPARATE OCCASION WHILE DRIVING ON THE FREEWAY AT ABOUT 70 MPH. EACH TIME THE BRAKE ENGAGED THEMSELVES AND LOCKED ONTO THE DISK/ROTOR. THIS CAUSED THE PADS TO BURN UP AND PRODUCE A LARGER QUANTITY OF SMOKE. ON ONE OCCASION THE ROTOR BECAME RED HOT, FLAME WAS VISIBLE, LOTS OF SMOKE WAS BEING PRODUCED, AND IT WARPED ROTOR. EVERY TIME IT OCCURRED I STOPPED THE VEHICLE AND TURNED IT OFF. AFTER THE RESTART OF THE VEHICLE THE BRAKES WERE NOT LOCKED BUT THE VEHICLE WOULD SHAKE AS NOW THE ROTORS WERE WARPED AN THE PADS WERE DESTROYED. I TOOK MY VEHICLE TO THE MAZDA DEALERSHIP AND THEY INFORMED ME THAT I NEEDED NEW PADS, I DID BUT IT WAS DUE TO THE REAR BRAKES LOCKING UP ON THEIR OWN. I GOT THE PADS REPLACED AND 6 MONTHS LATER IT HAPPENED AGAIN. THIS TIME I RECORDED A VIDEO ON MY PHONE AND SHOWED THE DEALER SHIP WHAT I EXPERIENCED AGAIN. THIS TIME THEY INFORMED THAT I NEEDED, NEW BRAKE PADS(AGAIN), ROTORS, AND PISTON BUT THEY DID NOT ADDRESS WHAT IS CAUSING THE REAR BRAKES ONLY TO LOCK UP ON THEIR OWN CREATING EXCESSIVE WEAR AND DAMAGE TO THE BRAKE COMPONENTS. SOMETHING IS AND CONTINUES TO ENGAGE MY REAR BRAKES. IT LAST OCCURRED ON 10-04-19 AND IT HAS ONLY BEEN 3 DAYS SINCE THE MAZDA DEALER REPLACED THE DAMAGED PARTS AND UNDER HARD BRAKING THE VEHICLE CONTINUES TO SHAKE WHICH ARE EARLY SIGNS OF WHAT HAPPENED BEFORE, SO ITS ONLY A MATTER OF TIME BEFORE IT OCCURS AGAIN.
Related Complaints for the 2016 MAZDA CX-9
Other SERVICE BRAKES Complaints
#11559545
The vehicle has tire pressure monitoring system malfunction warnings and parking brake malfunction warnings even afte...
#11480443
Engine Coolant Leaking from rear of engine near Exhaust / turbocharger at Cylinder Head. No Warning Lights indicating...
#11435767
Brake Booster damaged. I ended up with no brakes and nearly crashed.
#11349951
MY WIFE AND DAUGHTERS TOOK A TRIP, AND ON THE WAY HOME, THE ENGINE LIGHT CAME ON. WHEN TURNING ON THE ENGINE TO CHECK...
#11174671
BRAKE LIGHTS COME UP INTERMITTENTLY, ESPECIALLY WHEN TEMPERATURE IS LOW. ALSO, FRONT RADAR SENSOR SYSTEM MALFUNCTION...
Recent Complaints for the 2016 MAZDA CX-9
#11706610
ENGINE
I own a 2016 Mazda CX9 Touring FWD (180k miles). Today my car was diagnosed with cracked cylinder head, resulting in ...
#11697196
ENGINE
In June of 2022 I started having a strong antifreeze/engine coolant smell inside the cab of my vehicle and also outsi...
#11695620
ENGINE
Cylinder head crack. Combustion gasses leaking into coolant causing overheat. Combustion gasses bleeding into oil cau...
#11687565
ENGINE AND ENGINE COOLING
The contact owns a 2016 Mazda CX-9. The contact stated that while driving approximately 45-50 MPH, the vehicle sudden...
#11656449
ELECTRICAL SYSTEM
Smart City Break Malfunction warning light appears while driving. Simultaneously the tire pressure warning appears. A...