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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Disc Brakes) >> Repair Instructions >> Rear Disc Brake Pads Replacement (J6G) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply approximately 0.09 - 0.15 g (0.003 - 0.005 oz)  of anti-seize lubricant to each end of the disc brake pad abutments which contact the brake caliper. Adhesives, Fluids, Lubricants, and Sealers 
  2. GM5876678Courtesy of GENERAL MOTORS COMPANY

    Rear Disc Brake Outer Pad (1) - Install

  3. Rear Disc Brake Inner Pad (2) - Install
  4. GM5876657Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Caliper (1) - Install

  5. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Remove loose debris from internal and external threads using compressed air.
    4. Apply liquid thread locking adhesive in a strip along half of the length of the external threads, starting at the tip, just prior to installation. Adhesives, Fluids, Lubricants, and Sealers 
    6. CAUTION:

    Fastener Caution

  6. Rear Brake Caliper Bracket Bolt (1) - Install and tighten [2x] - Fastener Specifications 
  7. GM5876662Courtesy of GENERAL MOTORS COMPANY

    Rear Disc Brake Pad Spring (2) - Install

  8. Rear Brake Caliper Guide Pin (1) - Install [2x]
  9. GM5876760Courtesy of GENERAL MOTORS COMPANY

    { If equipped } Rear Disc Brake Pad Wear Sensor (1) @ Rear Disc Brake Inner Pad - Install

  10. GM5876761Courtesy of GENERAL MOTORS COMPANY

    { If equipped } Rear Disc Brake Pad Wear Sensor (2) @ Retainer (3) - Install [3x]

  11. { If equipped } Connect the electrical connector. (1)
  12. Install the rear tire and wheel assembly. Tire and Wheel Removal and Installation
  13. Remove the support and lower the vehicle.
  14. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  15. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  16. Slowly release the brake pedal.
  17. Wait 15 seconds, then repeat steps 15 - 16 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  18. Fill the brake master cylinder reservoir to the maximum-full level with GM approved brake fluid from a clean, sealed brake fluid container. Brake Master Cylinder Reservoir Filling
  19. Using a scan tool, relearn the rear disc brake pad wear sensor.
  20. Burnish the brake pads and rotors.
    1. Select a smooth road with little or no traffic.
    2. Accelerate the vehicle to 48 km/h (30 mph).
      3. NOTE:

      Use care to avoid overheating the brakes while performing this step.

    3. Using moderate to firm pressure, apply the brakes to bring the vehicle to a stop. Do not allow the brakes to lock.
    4. Repeat steps 20.2 and 20.3 until approximately 20 stops have been completed. Allow sufficient cooling periods between stops in order to properly burnish the brake pads and rotors.
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