Feds Probe 2010-'11 Mazda CX-9 After Complaints of Brake Booster Failure | Edmunds

Feds Probe 2010-'11 Mazda CX-9 After Complaints of Brake Booster Failure


Just the Facts:
  • The National Highway Traffic Safety Administration has opened an investigation into an estimated 62,319 2010-'11 Mazda CX-9 crossover vehicles after owners alleged incidents of brake booster failure.
  • "Complaints allege incidents of the brake pedal suddenly feeling hard, requiring increased effort to stop the vehicle," NHTSA said in its summary of the probe.
  • The 2010-'11 Mazda CX-9 has not been recalled at this point.

WASHINGTON The National Highway Traffic Safety Administration has opened an investigation into an estimated 62,319 2010-'11 Mazda CX-9 crossovers after owners alleged incidents of brake booster failure.

"Complaints allege experiencing incidents of the brake pedal suddenly feeling hard, requiring increased effort to stop the vehicle," NHTSA said in its summary of the probe.

It added: "Complaints allege symptoms indicating possible loss of power assist to the brakes, including hard pedal, increased effort and reduced brake effectiveness. Several allege hearing a hissing noise during brake application."

Federal safety regulators said they have not yet determined if any crashes, injuries or fatalities are linked to the investigation.

"We are indeed aware of the investigation, and we're fully cooperating with NHTSA in the matter," replied Jeremy Barnes of Mazda when queried by Edmunds asking for reaction to the investigation.

The 2010-'11 Mazda CX-9 has not been recalled at this point. NHTSA has opened what is called a preliminary evaluation into the matter. Such a move sometimes precedes a vehicle recall.

Edmunds says: There's not much for owners of the 2010-'11 Mazda CX-9 to do at this point, except to wait for federal safety regulators to finish their work. But if you are experiencing a problem with your vehicle, get it into the dealership immediately.

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