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Parking Brake Shoes (Rear Disc Brakes): Installation

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  1. Clean the debris and the dust from the park brake components using a clean towel.
  2. Align the slots in both the adjusting screw and tappet (1) to be parallel with the backing plate face. See Figure.
  3. Install the park brake shoe assembly (2) to the vehicle by placing one of the open ends of the shoe over the axle flange and rotating the shoe until it is behind the flange.
  4. Position the park brake shoe on the inboard side of the actuator.
  5. Slide the park brake shoe into position and seat into the retaining spring (3).
  6. Inspect the shoe assembly position. The shoe must be central on the backing plate with both tips located in the slots.
  7. Adjust the park brake shoe. Using outside/inside brake shoe clearance gauge, verify parking brake shoes have a clearance of .026" (.66 mm). See Fig 1 and Fig 2 .
  8. Install the rotor and caliper.
  9. Install the park brake cable to the park brake actuator lever.
  10. Tighten the nut to the intermediate cable at the equalizer to 31 INCH lbs. (3.5 N.m).
  11. Install the caliper and mounting bracket as an assembly.
  12. Install the tire and wheel.
  13. Remove the safety stands.
  14. Lower the vehicle.
  15. Adjust parking brake cable.
Fig 1: Measuring Rotor Inner Park Brake Diameter
G00227132Courtesy of GENERAL MOTORS CORP.
Fig 2: Measuring Park Brake Shoe Outer Diameter (Widest Point)
G00227131Courtesy of GENERAL MOTORS COMPANY


  1. Clean the debris and the dust from the park brake components using a clean towel.
  2. Install the park brake shoes (2).
  3. Install the park brake shoe anchor spring clips and pins (3).
  4. Install the park brake shoe return springs (4 and 6).
  5. Adjust the park brake shoe. Using outside/inside brake shoe clearance gauge, verify parking brake shoes have a clearance of .026" (.66 mm). See Figure and Figure .
  6. Install the axle shaft.
  7. Install the rotor.
  8. Install the park brake cable to the park brake lever.
    NOTE: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.
  9. Tighten the nut to the intermediate cable at the equalizer. Tighten the nut to 31 INCH lbs. (3.5 N.m).
  10. Install the caliper and mounting bracket as an assembly.
  11. Install the tire and wheel.
  12. Remove the safety stands.
  13. Lower the vehicle.
  14. Adjust parking brake cable.