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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 46 (Disc Brakes) >> Repair Instructions >> Rear Disc Brake Pads Replacement (JE5, J55) >> 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. Using an appropriate brake caliper piston spanner tool, slowly rotate the brake caliper piston clockwise while applying inward pressure to the brake caliper piston until the piston is fully seated in the brake caliper housing.
  2. GM5442356Courtesy of GENERAL MOTORS COMPANY

    Rear Disc Brake Pad Spring (3) - Install NEW [2x]

  3. Rear Disc Brake Outer Pad (2) - Install
  4. Rear Disc Brake Inner Pad (1) - Install
  5. GM5442360Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Caliper (1) - Install

  6. GM5442358Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    DO NOT use any air tools to remove or install the guide pin bolts. Use hand tools ONLY.

    CAUTION:

    Fastener Caution

    Rear Brake Caliper Guide Pin Bolt (1) - Install and tighten [2x] - Fastener Specifications 

  7. GM5504179Courtesy of GENERAL MOTORS COMPANY

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

  8. {If equipped} Rear Brake Caliper Bleeder Valve Cap (2) - Install
  9. {If equipped} Retainer (3) - Install
  10. Install the tire and wheel assembly. Tire and Wheel Removal and Installation
  11. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  12. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  13. Slowly release the brake pedal.
  14. Wait 15 seconds, then repeat steps 12 - 13 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  15. 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
  16. Calibrate the park brake. Park Brake Calibration
  17. 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 2 and 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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