Disc Brake System: Testing and Inspection

FRONT DISC BRAKE





INSPECTION
DISC BRAKE PAD
1. Check facing for oil or grease abnormal wear, cracks, and deterioration or damage from heat. Measure thickness of lining.
Specified thickness: 0.39 inch (10 mm)
Minimum: 0.08 inch (2.0 mm)





2. Visually check for damage or wear on the guide plate.

DISC PLATE





1. Measure thickness of disc plate.
Standard: 0.94 inch (24 mm)
Minimum: 0.86 inch (22 mm)





2. Measure runout at 0.32 - 0.47 inch (8 - 12 mm) inside from outer edge of contact surface of disc pad.
Runout: 0.002 inch (0.06 mm) Max.

CAUTION:
^ There must be no wheel bearing looseness.
^ Measurement location is outer edge of disc plate surface.