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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Repair Instructions >> Rear Brake Rotor Replacement >> Installation Procedure

Installation Procedure

    NOTE:

    Whenever the brake rotor has been separated from the hub/axle flange, any rust or contaminates should be cleaned from the hub/axle flange and the brake rotor mating surfaces. Failure to do this may result in excessive assembled lateral runout (LRO) of the brake rotor, which could lead to brake pulsation.

  1. Using the CH-42450-A  Wheel Hub Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. Using the CH-41013  Rotor Resurfacing Kit, thoroughly clean any rust or corrosion from the mating surface and mounting surface of the brake rotor.
  3. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure there are no foreign particles or debris remaining.
  4. GM5519598Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Rotor (2) - Install

    5. CAUTION:

    Refer to Fastener Caution .

  5. Rear Brake Rotor Bolt (1) - Install and tighten - Fastener Specifications 
  6. GM5519599Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers 
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  7. Install the rear brake caliper and bracket (1).
  8. Rear Brake Caliper Bracket Bolt (2) - Install [2x] - Fastener Specifications 
  9. GM5519601Courtesy of GENERAL MOTORS COMPANY

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

  10. GM5519563Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Rear disc brake pad wear sensor heads are brittle and should be handled with care when installing.

    {If equipped} Rear Disc Brake Pad Wear Sensor (2) @Rear Disc Brake Pad - Install

  11. {If equipped} Rear Brake Bleeder Valve Cap (1) - Install
  12. Install the tire and wheel assembly. Tire and Wheel Removal and Installation (Steel Wheel) , or Tire and Wheel Removal and Installation (Aluminum Wheel)
  13. Remove the support and lower the vehicle.
  14. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1/5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
  15. Calibrate the park brake. Park Brake Calibration
  16. 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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