Disc Plate - Mazda MX-5 1990 Workshop Manual

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05UOPX-041
P-20
BRAKE SYSTEM
Inspection
Check the following and repair or replace parts as necessary.
Disc pad
1. Oil or grease on facing.
2. Abnormal wear or cracks.
3. Deterioration or damage by heat.
4. Remaining lining thickness.
Thickness: 1.0mm (0.04 in) min.
Disc plate
1. Runout.
Runout: 0.1 mm (0.004 in) max.
Caution
• There must be no wheel bearing looseness.
• The measurement must be taken at the outer edge
of the disc plate surface.
2. Wear and damage.
Thickness
Standard: 18mm (0.71 in)
Minimum: 16mm (0.63 in)