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Home >> GMC >> 2020 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Disc Brake System) >> Repair Instructions >> Rear Disc Brake Pads Replacement >> Removal Procedure

Removal 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.
WARNING:

Brake Dust Warning

WARNING:

Brake Fluid Irritant Warning

NOTE:

Always replace disc brake pads in axle sets.

  1. Set the parking brake in Service Mode.
    1. Install a scan tool.
    2. Turn the ignition ON with the engine OFF.
    3. Select Electronic Brake Control Module.
    4. Select Control Functions.
      5. NOTE:

      Do NOT apply any brake pressure during this step.

    5. Select Rear Brake Caliper Piston Retract.
  2. Inspect the fluid level in the brake master cylinder reservoir.
  3. If the brake fluid level is midway between the maximum-full point and the minimum allowable level, no brake fluid needs to be removed before proceeding.
  4. If the brake fluid level is higher than midway between the maximum-full point and the minimum allowable level, remove brake fluid to the midway point before proceeding.
  5. Raise and support the vehicle. Lifting and Jacking the Vehicle
  6. Remove the rear tire and wheel assemblies. Tire and Wheel Removal and Installation
  7. Electrical Connector @ Parking Brake Actuator - Disconnect
  8. GM4281743Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Rear Brake Caliper Guide Pin Bolt (1) - Remove [2x]

  9. GM4281744Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Support the brake caliper with heavy mechanic wire, or equivalent, whenever it is separated from its mount and the hydraulic flexible brake hose is still connected. Failure to support the caliper in this manner will cause the flexible brake hose to bear the weight of the caliper, which may cause damage to the brake hose and in turn may cause a brake fluid leak.

    Remove the brake caliper from the brake caliper bracket and support with heavy mechanics wire. (1)

  10. GM4281746Courtesy of GENERAL MOTORS COMPANY

    Rear Disc Brake Outer Pad (1) - Remove

  11. 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.

    Rear Disc Brake Inner Pad (1) - Remove

  12. GM4281749Courtesy of GENERAL MOTORS COMPANY

    Rear Disc Brake Pad Spring (1) - Remove [2x]

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