- Water Pump Failed, Leaked Coolant Into Oil, Caused Engine Failure 5 complaints at an average of 100,697 miles in the 2008 Mazda CX-9.
- Brake Power Boost Unit Failure 25 complaints at an average of 64,594 miles in the 2012 Mazda CX-9.
- Stiff, Difficult Braking 7 complaints at an average of 102,357 miles in the 2010 Mazda CX-9.
Watch out for these common problems
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