Disc Thickness and Parallelism

Rear Disc Thickness






1. Using a micrometer, measure the rear brake disc thickness at eight points, approximately 45° apart and 10 mm (0.39 in) from the outer edge of the disc.
2. Replace the disc if it exceeds the following service limits.
Standard: 10.0 mm (0.39 in)
Service limit: 8.0 mm (0.31 in)
Rear Brake Disc Parallelism
Inspection

WARNING: Do not use an air hose to blow the brake assembly clean. Use an OSHA-approved vacuum cleaner to avoid breathing brake dust.

CAUTION:
- Do not spill brake fluid on the car; it may damage the paint; if brake fluid does contact the paint. wash it off immediately with water.
- To prevent spills, cover the hose joints with rags or shop towels.
- Clean all parts in brake fluid and air dry; blow Out all passages with compressed air.
- Before reassembling, check that all parts are free of dust and other foreign particles.
- Replace parts with new ones whenever specified to do so.
- Make sure no dirt or other foreign matter is allowed to contaminate the brake fluid.
- Do not mix different brands of brake fluid as they may not be compatible.
- Do not reuse the drained fluid.

NOTE:
- Coat piston, piston seal, and caliper bore with clean brake fluid.
- Replace all rubber parts with new ones whenever disassembled.
1. The difference between any thickness measurements should not be more than 0.015 mm (0.0006 in).
2. Replace the brake disc if beyond the limits.

NOTE: A new disc should be ground if its run-out is greater than 0.10 mm (0.004 in).






3. Remove the two caliper bracket mounting bolts and caliper bracket.
4. Remove the two 6 mm screws and brake disc.






NOTE: If the brake disc is difficult to remove, install two 8 mm bolt into the threaded holes and tighten them.
5. Install the new brake disc.
6. Clean the caliper bracket and retainers, then install the caliper bracket with two bolts and retainers.