FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Brake Rotor/Disc: Testing and Inspection

RUNOUT





1. Check runout using a dial indicator.
- Make sure that wheel bearing axial end play is within specification before measuring.

Maximum runout: 0.07 mm (0.0028 inch)

2. If the runout is out of specification, machine rotor with on-car brake lathe ("MAD, DL-8700", "AMMCO 700 and 705" or equivalent).

THICKNESS





Thickness variation (At least 8 positions):

Maximum 0.02 mm (0.0008 inch)

If thickness variation exceeds specification, machine rotor with on-car brake lathe.

Rotor repair limit: 24.0 mm (0.945 inch)