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Home >> GMC >> 2021 >> Acadia AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Disc Brake System) >> Repair Instructions >> Front Disc Brake Pads Replacement >> Installation Procedure
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Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM4254010Courtesy of GENERAL MOTORS COMPANY

    The front brake caliper spring tab (1) must be installed in the leading edge of the front brake caliper bracket.

  2. GM4261514Courtesy of GENERAL MOTORS COMPANY

    Install the leading front brake caliper spring (1) to the front brake caliper bracket.

  3. Install the trailing front brake caliper spring (2) to the front brake caliper bracket.
  4. GM5201347Courtesy of GENERAL MOTORS COMPANY

    Apply 2 g (0.07 oz) lubricant paste between the front disc brake pad (1) and vibration shim (2). Adhesives, Fluids, Lubricants, and Sealers 

  5. Front Disc Brake Pad Vibration Shim (2) - Install
  6. GM4261513Courtesy of GENERAL MOTORS COMPANY

    Front Disc Brake Pad-Inner (1) - Install

  7. GM4261512Courtesy of GENERAL MOTORS COMPANY

    Front Disc Brake Pad-Outer (1) - Install

  8. GM4261511Courtesy of GENERAL MOTORS COMPANY

    Front Disc Brake Pad Retaining Spring (1) - Install [2x]

  9. GM4261510Courtesy of GENERAL MOTORS COMPANY

    Rotate the brake caliper downward to its installed position. (1)

  10. GM4261509Courtesy of GENERAL MOTORS COMPANY

    Front Brake Caliper Guide Pin Bolt-Lower (1) - Install - Front Brake Caliper Replacement 

  11. Install the front tire and wheel assemblies. Tire and Wheel Removal and Installation
  12. Remove the support and lower the vehicle.
  13. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  14. Slowly release the brake pedal.
  15. Wait 15 seconds, then repeat steps 13 - 14 until a firm brake pedal is obtained. This will properly seat the front brake caliper pistons and front disc brake pads.
  16. 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
  17. Burnish the brake pads and rotors. Brake Pad and Rotor Burnishing