Backing Plate: Service and Repair
REMOVE1. Raise vehicle on jackstands or a frame contact type hoist.
2. Remove rear tire and wheel assembly from the vehicle.
Dust Cap Removal:
3. Remove rear hub and bearing assembly dust cap.
Rear Hub And Bearing Retaining Nut Removal:
4. Remove the rear hub and bearing assembly cotter pin, nut retainer, wave washer, hub and bearing retaining nut and washer from the rear spindle. Then remove rear hub and bearing assembly from spindle.
5. Remove the rear brake shoes from the brake support plate. Refer to Drum Brake System Brake Shoe Service and Repair Removal for the proper brake shoe removal procedure.
6. Position a 1/2 box wrench over the retainer fingers on the end of the parking brake cable. Compress cable housing retaining fingers and start housing out of support plate. Remove wrench when retainer is free from the park brake cable mounting hole in the rear brake support plate. Alternate method is to use a aircraft type hose clamp over cable housing end fitting compressing the three fingers.
7. Remove the brake flex hose from the wheel cylinder, and if equipped the flex hose bracket from the brake support plate.
8. Remove brake support plate attaching bolts and washers. Separate the brake support plate from rear suspension knuckle casting.
INSTALL
1. Install support plate and gasket on rear suspension knuckle. Tighten the support plate attaching bolts to a torque of 115 Nm (85 ft. lbs.).
2. Insert parking brake cable end fitting into the brake support plate.
3. Install the rear brake shoes on the brake support plate. Refer to Drum Brake System Brake Shoe Service and Repair Installation for the proper brake shoe installation procedure.
4. Attach parking brake cable to parking brake lever on trailing brake shoe.
5. Connect brake hose tube to wheel cylinder and attach bracket to support plate. Tighten brake tube to wheel cylinder fitting to 17 Nm (145 in. lbs.).
6. Install rear hub and bearing assembly on rear spindle. Install hub and bearing assembly washer and retaining nut. Tighten the hub and bearing assembly retaining nut to a torque of 168 Nm (124 ft. lbs.). Install the wave washer, nut lock, and a new cotter pin on the rear spindle. Install the dust cap on the rear hub.
7. Adjust brake shoes assemblies so as not to interfere with brake drum installation.
8. Install rear brake drum on the hub.
9. Adjust and bleed service brakes. Adjust parking brake.
10. Install the wheel and tire assembly. Tighten the wheel mounting stud nuts in proper sequence until all nuts are torqued to half specification. Then repeat the tightening sequence to the full specified torque of 110 - 135 Nm (85 - 115 ft. lbs.).
11. Pump the brake pedal several times to achieve the final adjustment of the brake shoes.
12. Road test vehicle to ensure proper function of the vehicle's brake system.