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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 405 (Disc Brake System) >> Repair Instructions >> Rear Disc Brake Pads Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. 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. Fig 1: Aligning Right Edge In Upper Notch Of Right Rear Brake Caliper Piston With Left Edge Of Caliper Logo
    GM4289662Courtesy of GENERAL MOTORS COMPANY
  3. Align the right edge in the upper notch of the left rear brake caliper piston (1) with the left edge of the caliper logo as shown.
  4. Fig 2: Aligning Left Edge In Upper Notch Of Right Rear Brake Caliper Piston With Right Edge Of Caliper Logo
    GM4289665Courtesy of GENERAL MOTORS COMPANY
  5. Align the left edge in the upper notch of the right rear brake caliper piston (1) with the right edge of the caliper logo as shown.
  6. Fig 3: Disc Brake Pad Spring
    GM4281749Courtesy of GENERAL MOTORS COMPANY
  7. Install Disc Brake Pad Spring (1)
  8. Fig 4: Inner Disc Brake Pad
    GM4281748Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The inner disc brake pad is equipped with a wear sensor on the leading edge of the disc brake pad.

  9. Install Inner Disc Brake Pad (1)
  10. Fig 5: Outer Disc Brake Pad
    GM4281746Courtesy of GENERAL MOTORS COMPANY
  11. Install Outer Disc Brake Pad (1)
  12. Fig 6: Brake Caliper
    GM4281744Courtesy of GENERAL MOTORS COMPANY
  13. Position the brake caliper (1) to the caliper bracket.
  14. Fig 7: Brake Caliper Guide Pin Bolt
    GM4281743Courtesy of GENERAL MOTORS COMPANY
  15. Install Brake Caliper Guide Pin Bolt (1) and tighten 40 N.m (30 lb ft)
  16. Install the tire and wheel assembly. Tire and Wheel Removal and Installation
  17. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  18. Slowly release the brake pedal.
  19. Wait 15 seconds, then repeat steps 10-11 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  20. Fill the brake master cylinder reservoir to the maximum-full level with GM approved brake fluid from a clean, sealed brake fluid container. Master Cylinder Reservoir Filling
  21. Burnish the brake pads and rotors. Brake Pad and Rotor Burnishing