Parking Brake Shoe: Service and Repair

PARKING BRAKE ASSY
OVERHAUL

HINT:
^ Use the same procedures for the RH side and LH side.
^ The procedures listed below are for the LH side.

1. REMOVE REAR WHEEL
2. SEPARATE REAR DISC BRAKE CALIPER ASSY LH
a. Remove the 2 bolts and separate the rear disc brake caliper assy LH.

HINT: Do not disconnect the flexible hose from the disc brake caliper assy LH.





3. REMOVE REAR DISC
a. Release the parking brake, and remove the rear disc.

HINT: If the disc cannot be removed easily, turn the shoe adjuster until the wheel turns freely.





b. Place matchmarks on the rear disc and the axle hub.
c. Remove the rear disc.





4. INSPECT BRAKE DISC INSIDE DIAMETER
a. Using a brake drum gauge or equivalent tool, measure the inside diameter of the rear disc.
Standard inside diameter: 170 mm (6.69 inch)
Maximum inside diameter: 171 mm (6.73 inch)
If the inside diameter exceeds the maximum, replace the brake disc.





5. REMOVE PARKING BRAKE SHOE RETURN TENSION SPRING
a. Using needle-nose pliers, remove the 2 parking brake shoe return tension springs No.1.
6. REMOVE PARKING BRAKE SHOE STRUT LH
a. Remove the parking brake shoe strut LH and the parking brake shoe strut compression spring.





7. REMOVE PARKING BRAKE SHOE
a. Release the cup claw and remove the parking brake shoe assy LH No.2 and parking brake shoe assy LH No.1.
b. Disconnect the parking brake cable No.3 from the shoe lever.
c. Remove the tension spring and shoe adjuster screw set from the parking brake shoe assy LH No.2 and parking brake shoe assy LH No.1.
d. Remove the 2 shoe hold-down springs, 4 cups and 2 pins.





e. Using a screwdriver, remove the C-washer.
f. Remove the shim and shoe lever from the parking brake shoe assy LH No.2.





8. INSPECT PARKING BRAKE SHOE LINING THICKNESS
a. Using a ruler, measure the thickness of the shoe lining.
Standard thickness: 2.0 mm (0.079 inch)
Minimum thickness: 1.0 mm (0.039 inch)
If the lining thickness is less than or equal to the minimum, or if there is severe or uneven wear, replace the brake shoe.





9. INSPECT BRAKE DISC AND PARKING BRAKE SHOE LINING FOR PROPER CONTACT
a. Apply chalk to the inside surface of the disc, then grind down the brake shoe lining to fit the disc.
If the contact between the brake disc and the shoe lining is improper, repair it using a brake shoe grinder or replace the brake shoe assembly.
10. APPLY HIGH TEMPERATURE GREASE
a. Apply high temperature grease to the backing plate which makes contact with the shoe
11. INSTALL PARKING BRAKE SHOE
a. Install the shoe lever and shim to the rear shoe with a new C-washer.





b. Using a feeler gauge, measure the clearance.
Standard clearance: Less than 0.35 mm (0.0138 inch)





If the clearance is not within the specification, replace the shim with one of the correct size.





c. Apply high temperature grease to the adjusting bolt.
d. Install the shoe adjusting screw set and tension spring to the front and rear shoe.
e. Install the 2 pins, 4 cups and 2 shoe hold-down springs.
f. Connect the parking brake cable No.3 to the shoe lever.
g. Install the front and rear parking brake shoe.
12. INSTALL PARKING BRAKE SHOE STRUT LH
a. Attach the parking brake shoe strut LH and the parking brake shoe strut compression spring to the parking brake shoe assy LH No.2 and parking brake shoe assy LH No.1.





13. INSTALL PARKING BRAKE SHOE RETURN TENSION SPRING
a. Using needle-nose pliers, install the 2 return tension springs No.1.

HINT: First install the front side spring then the rear side spring.

14. CHECK PARKING BRAKE INSTALLATION
a. Check that each part is installed properly.





NOTICE: There should be no oil or grease adhering to the friction surface of the shoe lining and disc.

15. INSTALL REAR DISC
a. Aligning the matchmarks, install the rear disc.





16. ADJUST PARKING BRAKE SHOE CLEARANCE
a. Temporarily install the hub nuts.
b. Remove the hole plug, turn the adjuster and expand the shoes until the disc locks.
c. Contract the shoe adjuster until the disc rotates smoothly.
Standard: Return 8 notches
d. Check that the shoe has no brake drag.
e. Install the hole plug.
17. INSTALL REAR DISC BRAKE CALIPER ASSY LH
a. Install the rear disc brake caliper assy LH with the 2 bolts.
Torque: 62 Nm (630 kgf-cm, 46 ft. lbs.)
18. INSTALL REAR WHEEL
Torque: 103 Nm (1,050 kgf-cm, 76 ft. lbs.)
19. INSPECT PARKING BRAKE LEVER TRAVEL
20. ADJUST PARKING BRAKE LEVER TRAVEL