Disc Brake System: Testing and Inspection

Disc Brake Pads and Discs/Front and Rear Axle Boots and Axle Shaft Joint Portions




INSPECTION

1. DISC BRAKE PAD AND DISC
1. Jack up vehicle and support with rigid racks. Then remove wheels.







2. Visually check pad thickness through inspection hole of disc brake assembly. Replace pad if necessary.




3. Check the disc rotor, and correct or replace if it is damaged or worn.




4. Measure the disc rotor runout at a point less than 5 mm (0.20 in) from the outer periphery of the rotor.

Disc rotor runout limit:
Front: 0.075 mm (0.00295 in)
Rear: 0.070 mm (0.00275 in)

CAUTION: When replacing a pad, always replace the pads for both the left and right wheels at the same time. Also replace pad clips it they are twisted or worn.







2. FRONT AND REAR AXLE BOOTS
Inspect front and rear axle boots for deformation, damage or failure. If faulty, replace them with new ones.