Wheel Bearing Excessive Play Inspection

Remove the brake caliper component and disc plate. (See WHEEL HUB, STEERING KNUCKLE REMOVAL/INSTALLATION .)
Install the magnetic base and dial gauge as shown in the figure and measure the wheel bearing axial excessive play.

Fig 1: Measuring Wheel Bearing Axial Excessive Play
Courtesy of MAZDA MOTORS CORP.
- If it exceeds the maximum specification, replace the wheel hub bearing.
Front wheel bearing maximum play
- 0.05 mm {0.002 in}