CarComplaints.com Notes: The only area of real concern for 2011 Mazda CX-9 owners is the brake booster.
In 2014, Mazda extended the warranty on the 2007-2013 CX-9 brake booster to 7 years / 90,000 miles. However this extended warranty has expired, so buyer beware.
This Mazda CX-9 brake booster failure isn't terrible in terms of repair cost — it "only" costs $550 average to fix. However it is a safety issue when the brake booster fails as it increases stopping distance. Owners have reported having to stomp on the brake pedal, & crashes/injuries have been reported due to this CX-9 brake booster defect.
1.6
hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
103,000 miles
About These NHTSA Complaints:
This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.
So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.
The contact owns a 2011 Mazda Cx-9. the contact stated that while driving at 70 mph, a strong odor of fuel fumes was inside the vehicle and an abnormal noise could be heard from the front of the vehicle. The vehicle was taken to an independent mechanic where it was diagnosed that the transfer case needed replacement but the repairs were not completed. The contact then took the vehicle to a dealer where the failure was then confirmed. The manufacturer was notified of the failure. The failure mileage was approximately 103,000.
- Abington, PA, USA
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- Abington, PA, USA