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.
10.0
really awful
Crashes / Fires:
0 / 1
Injuries / Deaths:
0 / 0
Average Mileage:
76,292 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.
I have a 2011 Mazda Cx-9 and when slowing down there is a jolt when it shifts from 4th to 3rd. This seems to happen more when its cold out. It only happens when it shifts from 4th to 3rd. Its not all the time its just random.
2011 Mazda Cx-9. consumer writes in regards to vehicle fire caused by transmission/transfer case failure. The consumer stated the bottom of the vehicle caught on fire, it was put out before any excessive damage was done. The consumer stated prior to the fire, the vehicle started vibrating and when she attempted to drive, it would not move.
The contact owns a 2011 Mazda Cx-9. the contact stated that there were fuel fumes inside the cabin of the vehicle. Additionally, the contact was driving 20 mph when the vehicle began to decelerate independently and stalled. The vehicle was taken to the dealer, who determined that the transfer case was cracked and seized. The failure was not reported to the manufacturer. The VIN was not available. The failure and current mileage was 36,300. Updated 07/30/13 the dealer replaced the transfer case. Updated 08/01/13
- Colorado Springs , CO, USA
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- Virginia Beach, VA, USA