Parking Brake System: Service and Repair
PARKING BRAKE ASSEMBLYCOMPONENTS:
DISASSEMBLY
HINT:
^ Use the same procedures for the RH side and the LH side.
^ The procedures listed below are for the LH side.
1. REMOVE REAR WHEEL
2. SEPARATE REAR DISC BRAKE CALIPER ASSEMBLY
(a) Remove the 2 bolts and separate the rear disc brake caliper assembly.
HINT: Do not disconnect the flexible hose from the disc brake caliper assembly.
3. REMOVE REAR DISC
(a) Release the parking brake and place the matchmarks on the rear disc and the axle hub.
(b) Remove the rear disc.
HINT: If the disc cannot be removed easily, turn the shoe adjuster until the wheel turns freely.
4. REMOVE PARKING BRAKE SHOE RETURN TENSION NO. 1 SPRING
(a) Using needle-nose pliers, remove the 2 parking brake shoe return tension No. 1 springs.
5. REMOVE PARKING BRAKE SHOE STRUT
(a) Remove the parking brake shoe strut and the parking brake shoe strut compression spring.
6. REMOVE NO. 1 PARKING BRAKE SHOE ASSEMBLY
(a) Release the claw of the parking brake shoe hold down spring No. 1 cup.
(b) Remove the No. 1 parking brake shoe assembly as shown in the illustration.
(c) Remove the parking brake shoe hold down spring No. 1 cup, the parking brake shoe hold down spring, the parking brake shoe hold down spring No. 2 cup, and the parking brake shoe hold down spring No. 1 pin.
7. REMOVE PARKING BRAKE SHOE ADJUSTING SCREW SET
(a) Remove the parking brake shoe adjusting screw set.
(b) Remove the parking brake shoe return tension No. 2 spring.
8. REMOVE NO. 2 PARKING BRAKE SHOE ASSEMBLY
(a) Release the claw of the parking brake shoe hold down spring No. 1 cup.
(b) Remove the No. 2 parking brake shoe assembly as shown in the illustration.
(c) Remove the parking brake shoe hold down spring No. 1 cup, the parking brake shoe hold down spring, the parking brake shoe hold down spring No. 2 cup, and the parking brake shoe hold down spring No. 2 pin.
(d) Using needle-nose pliers, disconnect the No. 3 parking brake cable assembly from the parking brake shoe lever.
NOTICE: Be careful not to damage the No. 3 parking brake cable assembly.
9. REMOVE PARKING BRAKE SHOE LEVER
(a) Using a screwdriver, remove the C-washer, shim and the parking brake shoe lever.
10. REMOVE PARKING BRAKE SHOE GUIDE PLATE
(a) Remove the parking brake shoe guide plate set bolt and the parking brake shoe guide plate.
REASSEMBLY
1. APPLY HIGH TEMPERATURE GREASE
(a) Apply high temperature grease to the backing plate which makes contact with the shoe.
2. INSTALL PARKING BRAKE SHOE GUIDE PLATE
(a) Apply adhesive to the threads of the parking brake shoe guide plate set bolt.
Adhesive: Toyota Genuine Adhesive 1344, Three Bond 1344 or equivalent
(b) Install the parking brake shoe guide plate with the parking brake shoe guide plate set bolt.
Torque: 18 N*m (184 kgf*cm, 13 ft.*lbf)
3. INSTALL PARKING BRAKE SHOE LEVER
(a) Install the parking brake shoe lever and shim to the No. 2 parking brake shoe assembly with a new C-washer.
(b) Using a feeler gauge, measure the clearance between the No. 2 parking brake shoe assembly and parking brake shoe lever.
Standard clearance: Less than 0.35 mm (0.014 in.)
If the clearance is not as specified, replace the shim with one of the correct size.
4. INSTALL NO. 2 PARKING BRAKE SHOE ASSEMBLY
(a) Using needle-nose pliers, connect the No. 3 parking brake cable assembly to the parking brake shoe lever.
(b) Install the No. 2 parking brake shoe assembly with the parking brake shoe hold down spring No. 2 pin, the parking brake shoe hold down spring No. 2 cup, the parking brake shoe hold down spring and the parking brake shoe hold down spring No. 1 cup.
(c) Engage the claw of the parking brake shoe hold down spring No. 1 cup to the No. 2 parking brake shoe assembly.
5. INSTALL PARKING BRAKE SHOE ADJUSTING SCREW SET
(a) Apply high temperature grease to the parking brake adjusting screw as shown in the illustration.
(b) Install the parking brake shoe return tension No. 2 spring to the No. 1 parking brake shoe assembly and the No. 2 parking brake shoe assembly.
(c) Install the parking brake shoe adjusting screw set to the No. 1 parking brake shoe assembly and the No. 2 parking brake shoe assembly.
6. INSTALL NO. 1 PARKING BRAKE SHOE ASSEMBLY
(a) Install the No. 1 parking brake shoe assembly with the parking brake shoe hold down spring No. 1 pin, parking brake shoe hold down spring No. 2 cup, parking brake shoe hold down spring and parking brake shoe hold down spring No. 1 cup.
(b) Engage the claw of the parking brake shoe hold down spring No. 1 cup to the No. 1 parking brake shoe assembly.
7. INSTALL PARKING BRAKE SHOE STRUT
(a) Attach the parking brake shoe strut and the parking brake shoe strut compression spring to the No. 1 parking brake shoe assembly and No. 2 parking brake shoe assembly.
8. INSTALL PARKING BRAKE SHOE RETURN TENSION NO. 1 SPRING
(a) Using needle-nose pliers, install the 2 parking brake shoe return tension No. 1 springs.
HINT: First install the front side spring and then the rear side spring.
9. CHECK PARKING BRAKE INSTALLATION
(a) Check that each part is installed properly.
NOTICE: There should be no oil or grease on the friction surface of the shoe lining and disc.
10. INSTALL REAR DISC
(a) Align the matchmarks and install the rear disc.
11. ADJUST PARKING BRAKE SHOE CLEARANCE
12. INSTALL REAR DISC BRAKE CALIPER ASSEMBLY
(a) Install the rear disc brake caliper assembly with the 2 bolts.
Torque: 62 N*m (632 kgf*cm, 46 ft.*lbf)
13. INSTALL REAR WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
14. INSPECT PARKING BRAKE PEDAL TRAVEL
15. ADJUST PARKING BRAKE PEDAL TRAVEL