Backing Plate: Service and Repair

NOTE: Before proceeding, review Service Precautions.

REMOVAL
1. Raise vehicle on jackstands or centered on a hoist.
2. Remove rear tire and wheel assembly from vehicle.





3. Remove the dust cap from the rear hub and bearing assembly.





4. Remove the rear hub and bearing assembly retaining nut. Then remove the hub and bearing assembly from the rear knuckle.
5. Remove the rear brake shoes from the brake support plate.





6. Disconnect rear brake flex hose tube from wheel cylinder and remove the brake flex hose bracket from the brake support plate.





7. Position a 1/2 wrench over the retainer fingers on the end of the parking brake cable. Compress cable housing retaining fingers and start cable 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 an aircraft type hose clamp over cable housing end fitting compressing the three fingers.
8. Remove the 4 bolts attaching the brake support plate to the knuckle. Separate brake support plate from rear suspension knuckle.

INSTALLATION
1. Install the gasket and brake support plate on rear suspension knuckle. Torque the brake support plate to knuckle attaching bolts to 75 Nm (55 ft. lbs.).
2. Insert parking brake cable end fitting into brake support plate.
3. Hand start hydraulic brake hose tube fitting to wheel cylinder. Tighten tube nut to a torque of 17 Nm (145 inch lbs.).
4. Install rear brake shoe assemblies on the brake support plate.
5. Install rear hub and bearing assembly on rear knuckle. Install a NEW hub and bearing assembly retaining nut. Tighten the hub and bearing assembly retaining nut to a torque of 250 Nm (185 ft. lbs.). Install dust cap.
6. Adjust brake shoes assemblies so as not to interfere with brake drum installation.
7. Install brake drum on rear hub/bearing assembly.
8. Bleed the vehicle's base brakes hydraulic system.
9. After brake drums are installed, pump brake pedal several times to do final adjustment of the brake shoe assemblies.
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 129 Nm (95 ft. lbs.).