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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Repair Instructions >> Rear Brake Shield Replacement (Z56) >> Removal Procedure

Removal Procedure

  1. Set the parking brake in Service Mode. Parking Brake Service Mode Selection
  2. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1/5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
  3. Raise and support the vehicle. Lifting and Jacking the Vehicle
  4. Remove the rear tire and wheel assembly. Tire and Wheel Removal and Installation (Steel Wheel) , or Tire and Wheel Removal and Installation (Aluminum Wheel)
  5. Have an assistant apply the brakes.
  6. GM5539113Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    DO NOT use air tools to remove the wheel drive shaft nut. Damage to the wheel drive shaft threads could occur. Use hand tools only.

    Rear Wheel Drive Shaft Nut (1) - Remove and DISCARD

  7. GM5539114Courtesy of GENERAL MOTORS COMPANY

    Install the DT-45859  Axle Remover (2) to the rear wheel hub and secure with 2 wheel nuts (1) hand tightened.

  8. Using the DT-45859  Axle Remover (2), release the rear wheel drive half shaft from the rear wheel hub.
  9. Remove the 2 wheel nuts (1) and the DT-45859  Axle Remover (2) from the rear wheel hub.
  10. GM5519563Courtesy of GENERAL MOTORS COMPANY

    {If equipped} Rear Brake Bleeder Valve Cap (1) - Remove

  11. {If equipped} Rear Disc Brake Pad Wear Sensor (2) @Rear Disc Brake Pad - Remove
  12. GM5519601Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @Rear Parking Brake Actuator - Disconnect

  13. GM5519599Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Caliper Bracket Bolt (2) - Remove [2x]

  14. 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.

    NOTE:

    It is not necessary to disconnect the rear brake hose.

  15. Remove the rear brake caliper and bracket (1) and support with heavy mechanics wire.
  16. GM5519598Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Rotor Bolt (1) - Remove

  17. Rear Brake Rotor (2) - Remove
  18. GM5539252Courtesy of GENERAL MOTORS COMPANY

    Rear Wheel Speed Sensor Wiring Harness Bolt (1) - Remove

  19. Rear Wheel Speed Sensor (2) - Remove
  20. GM5600941Courtesy of GENERAL MOTORS COMPANY

    Chassis Rear Wiring Harness Bracket Bolt (2) - Remove

  21. Position the chassis rear wiring harness bracket (1) out of the way.
  22. GM5582442Courtesy of GENERAL MOTORS COMPANY

    Rear Wheel Hub Bolt (1) - Remove and DISCARD [4x]

  23. GM5539276Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The rear brake shield (2) will become dislodged when the rear wheel hub (1) is removed.

    Rear Wheel Hub (1) - Remove

  24. Rear Brake Shield (2) - Remove
  25. Rear Wheel Hub Seal (3) - Remove and DISCARD [2x]