Rear Wheel Bearing Excessive Play Inspection

1. Remove the wheel and tire. (See WHEEL AND TIRE REMOVAL/INSTALLATION .)
2. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
3. Disconnect the electric parking brake motor gear unit connector. (See ELECTRIC PARKING BRAKE MOTOR GEAR UNIT REMOVAL/INSTALLATION .)
4. Remove the rear brake caliper component installation bolts.
   Fig 1: Rear Brake Caliper Component And Bolts With Torque Specification

   Courtesy of MAZDA MOTORS CORP.
5. Remove the rear brake caliper component and suspend it out of the way using a cable.
   Fig 2: Suspending Rear Brake Caliper Component Using Cable

   Courtesy of MAZDA MOTORS CORP.
6. Remove the rear disc plate. (See REAR BRAKE (DISC) REMOVAL/INSTALLATION .)
7. Install the magnetic base and dial gauge as shown in the figure and measure the wheel bearing axial excessive play.

Fig 3: Installing Magnetic Base And Dial Gauge

Courtesy of MAZDA MOTORS CORP.

• If it exceeds the maximum specification, replace the wheel hub component. (See WHEEL HUB COMPONENT REMOVAL/INSTALLATION (2WD) .) (See WHEEL HUB COMPONENT REMOVAL/INSTALLATION (AWD) .)

Rear wheel bearing maximum play 

0.05 mm {0.002 in}