One problem related to transmission noise has been reported for the 2008 Mazda CX9. The most recently reported issues are listed below.
Tl-the contact owns a 2008 Mazda Cx9. The contact stated while driving approximately 10 mph, she heard an abnormal noise while applying the brakes. The failure recurred and the vehicle stalled. The vehicle would not restart and was towed to an independent mechanic for diagnostic testing. The transmission needed to be replaced but the vehicle has not been repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 142,000. Mf.