Parking Brake System: Service and Repair

REMOVAL
1) Set the vehicle on a lift.
2) Disconnect the ground terminal from battery.
3) Loosen the wheel nuts.
4) Jack-up the vehicle, and remove wheel.
5) Remove the two mounting bolts and remove the disc brake assembly.





6) Suspend the disc brake assembly so that the hose is not stretched.
7) Pull down and release the parking brake.
8) Remove the disc rotor.

NOTE: If the disc rotor is difficult to remove try the following two methods in order.





(1) Turn the adjusting screw using a slot-type screwdriver until the brake shoe gets away enough from the disc rotor.





(2) If the disc rotor seizes up within the hub, drive the disc rotor out by installing an 8-mm bolt in holes B on the rotor.

9) Remove the primary and secondary return spring from parking brake assembly.





10) Remove the front shoe hold down spring and pin with pliers.
11) Remove the strut and strut spring.
12) Remove the rear shoe hold-down spring and pin with pliers.
13) Remove the adjuster assembly and adjusting spring from parking brake assembly.
14) Remove the parking cable from parking lever.





15) Remove the brake shoe.
16) Using a standard screwdriver, raise the retainer. Remove the parking lever and washer from brake shoe.

INSTALLATION

CAUTION: Be sure the lining surface is free from oil contamination.

Brake grease: Dow Corning Molykote No. 7439 (Part No. 725191460)

1) Apply brake grease to the following places.
^ Six contact surfaces of shoe rim and back plate packing
^ Contact surface of shoe wave and anchor pin
^ Contact surface of lever and strut
^ Contact surface of shoe wave and adjuster assembly
^ Contact surface of shoe wave and strut
^ Contact surface of lever and shoe wave
2) Install in the reverse order of removal.

CAUTION:
^ Use new retainers and clinch them when installing the brake shoes to levers.
^ Ensure that the parking lever moves smoothly.
^ Do not confuse the left parking lever with right one.
^ Do not confuse the left strut with right one.





NOTE: Ensure that the adjuster assembly is securely installed with the screw in the left side, facing vehicle front.





NOTE: Ensure that the shoe return spring is installed as shown in Figure.

3) Adjust the parking brakes.

CAUTION:
After replacing the parking brake lining, be sure to drive the vehicle for "break-in" purposes.
1. Drive the vehicle at about 35 km/inch (22 MPH).
2. With the parking brake release button pushed in, pull the parking brake lever gently.
3. Drive the vehicle for about 200 meter (0.12 mile) in this condition.
4. Wait 5 to 10 minutes for the parking brake to cool down. Repeat this procedure once more.
5. After breaking-in, re-adjust the parking brakes.