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Front Brake Disc: Runout

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Raise and support vehicle. Remove front wheels. Remove brake pads. See FRONT DISC BRAKE PADS  under REMOVAL & INSTALLATION. Inspect disc surface for damage and cracks. Clean disc thoroughly, and remove all rust. Use wheel nuts and suitable flat washers to hold disc securely against hub, then mount a dial indicator to brake and measure runout at .4" (10 mm) from outer edge of disc.

  1. Brake Disc Runout Service Limit -  .004" (.10 mm)

If disc is beyond service limit, refinish brake disc with an on-car brake lathe. A new disc should be refinished if its runout is greater than service limit.