Disc Plate RUNOUT Inspection

1. Verify that there is no looseness in wheel bearing.
2. Measure the runout at the outer edge of the contact surface of the disc pad.
   • If the runout is not within the specification, repair or replace the disc plate.

Runout 

0.05 mm {0.002 in} max. 

Fig 1: Measuring Disc Plate Runout

Courtesy of MAZDA MOTORS CORP.