Parking Brake System: Service and Repair

1. Support the removed caliper with wire to a nearby part to avoid placing stress on the flexible brake hose.

BRAKE DISC

1. If removal of the brake disc is difficult, release the shoe adjuster star wheel to a point where the brake disc is able to be removed by rotating the disc and pulling gently.

CAUTION: If excessive force is applied to the brake disc, the shoe hold down clip will be damaged.

HUB/SPEED SENSOR
1. Ensure no damage is caused to the ABS rotor or speed sensor by striking them against each other or other components.

LEVER

NOTE: Care must be taken when pulling the lever through the boot as damage may result.

INSTALLATION

INSTALLATION SERVICE POINTS
>A< LEVER

1. When inserting the lever through the boot, take care not to damage the boot.

>B< PUSHROD/TAPPET
1. Pack the inside of the tappet with grease to hold the pushrod during assembly.

>C< HUB/SPEED SENSOR
1. Ensure no damage is caused to the ABS rotor or speed sensor by striking them against each other or other components.

INSPECTION

- Clean the

backing plate, boot and actuation components.

CAUTION:
- Do not clean the shoe, only brush off the brake dust.
- Only use soap and water to wash the boot as solvents may damage the rubber.

- Measure the brake lining thickness in at least three locations on each side of the shoe. Replace the shoe if less than the limit value of lining exists or if the lining is worn unevenly.
Standard value: 2.8 mm (0.110 inch)
Limit (maximum): 1.5 mm (0.06 inch)

- Using an inside micrometer measure the brake disc inner diameter in two or more locations. Replace the rotor if the inside diameter exceeds the limit value.
Standard value: 168 mm (6.61 inch)
Limit (maximum): 169 mm (6.65 inch)
- Inspect the actuation components for wear or cracking.
- Check the shoe for cracks.