The groove for the rear wheel bearing retainer ring was incorrectly machined.
Brakes
Mazda MX6 Brake problems by year
1 complaints filed with NHTSA about the Mazda MX6's brakes. Spongy or hard pedal, ABS faults, brake failure, noises, parking brake and brake fluid leaks.
Brake complaints by model year
Brake recalls
Vehicles equipped with rear brake drums transported by train may experience separation of the brake shoe from the wheel brake cylinder piston.
Latest MX6 brake complaints
Numerous complaints:eat assembly welds broke off causing the seat to wobble. It is unsafe to drive and I cannot find anyone that is willing to repair it. If in an accident, I could be harmed along with any passenger I may have in back (my kids). *Ak windshield wipers just stopped working. Motor failure?? Electrical system is failing. Fuses are not blown. Interior lights work sporadically, radio lighting has never worked since I purchased the car. (4 Years ago) . *Ak emergency brake is "unfixable" I have had this serviced two times and it still will not work.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked daily. Complaints are owners' own reports and are not verified. How we use the data