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Brake Pad: Testing and Inspection




DISK BRAKE PADS AND ROTORS (INSPECT FOR WEAR)

DISK BRAKE PAD CHECK









1.
CAUTION:
If there is a significant difference in the thicknesses of the pads on the left and right sides, check moving parts (Refer to Brake Disc Check ).

Visually check the thickness of brake pad from the inspection hole of the caliper body.
Standard value:

9.85 mm (0.39 inch)[ Front]

9.0 mm (0.35 inch)[ Rear]
Limit:

2.0 mm (0.08 inch)[ Front]

2.0 mm (0.08 inch)[ Rear]


2. When the thickness is lower than the limit value, replace both brake pads (right and left) as a set (Refer to Brake Pad Replacement).

BRAKE DISK THICKNESS CHECK





Using a micrometer, measure disk thickness at eight positions, approximately 45 degrees apart and 10 mm (0.4 inch) in from the outer edge of the disk.
Standard value:

32.0 mm (1.26 inch)[ Front]

22.0 mm (0.87 inch)[ Rear]
Limit:

30.0 mm (1.18 inch)[ Front]

20.0 mm (0.79 inch)[ Rear]
NOTE:
Thickness variation (at least 8 positions) should not be more than 0.015 mm (0.0006 inch).

FRONT BRAKE DISK RUN-OUT CHECK AND CORRECTION





Place a dial gauge approximately 5 mm (0.2 inch) from the outer circumference of the brake disk, and measure the run-out of the disk.
Limit:

0.06 mm (0.0024 inch)[ Front]
0.08 mm (0.0032 inch)[ Rear]