GM Service Manual Online
For 1990-2009 cars only

Caution: Refer to Brake Dust Caution in the Preface section.

Removal Procedure


    Object Number: 913334  Size: SH
  1. Disable the park brake cable automatic adjuster. Refer to Parking Brake Cable Adjuster Disabling .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  4. Perform the following procedure to remove the cable (2) from the backing plate (4):
  5. 4.1. Compress the spring (3) by pushing towards the lever (1).
    4.2. Depress the locking tabs.
    4.3. Pull the cable housing out of the backing plate (4).
    4.4. Remove the cable (2) through the slot in the backing plate.
  6. Remove the park brake cable (2) from the lever (1).
  7. For the 15 and 25 series, perform the following steps:
  8. 6.1. Remove the rotor. Refer to Rear Brake Rotor Replacement .
    6.2. Remove the axle shaft. Refer to Rear Axle Shaft Replacement .
  9. For the 35 series with single rear wheels, perform the following steps:
  10. 7.1. Remove the rotor. Refer to Rear Brake Rotor Replacement .
    7.2. Remove the hub assembly. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement .
  11. For the 35 series with dual rear wheels, remove the hub and rotor assembly. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement .
  12. Remove the park brake shoe. Refer to Parking Brake Shoe Replacement .

  13. Object Number: 370688  Size: SH
  14. Remove the backing plate nuts.
  15. Remove the backing plate from the axle housing flange.

Installation Procedure

  1. Install the backing plate to the axle housing flange.
  2. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 370688  Size: SH
  3. Install the backing plate nuts.
  4. Tighten

        • Without dual rear wheels--Tighten the backing plate bolts to 135 N·m (100 lb ft).
        • With dual rear wheels--Tighten the backing plate bolts to 160 N·m (118 lb ft) plus 30 degrees.
  5. Install the park brake shoe. Refer to Parking Brake Shoe Replacement .
  6. For the 15 and 25 series, perform the following steps:
  7. 4.1. Install the axle shaft. Refer to Rear Axle Shaft Replacement .
    4.2. Install the rotor. Refer to Rear Brake Rotor Replacement .
  8. For the 35 series with single rear wheels, perform the following steps:
  9. 5.1. Install the hub assembly. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement .
    5.2. Install the rotor. Refer to Rear Brake Rotor Replacement .
  10. For the 35 series with dual rear wheels, install the hub and rotor assembly. Refer to Rear Axle Hub, Bearing, Cup, and/or Seal Replacement .
  11. Adjust the park brake shoe. Refer to Park Brake Adjustment .

  12. Object Number: 913334  Size: SH
  13. Install the park brake cable (2) to the lever (1).
  14. Perform the following procedure to install the cable (2) to the backing plate (4):
  15. 9.1. Compress the spring (3) by pushing towards the lever (1).
    9.2. Route the cable (2) through the slot in the backing plate.
    9.3. Push the cable housing into the backing plate (4) until the locking tabs snap into place.
  16. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  17. Remove the safety stands.
  18. Lower vehicle.
  19. Enable the park brake cable automatic adjuster. Refer to Parking Brake Cable Adjuster Enabling .