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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 72 (Disc Brakes) >> Repair Instructions >> Rear Brake Rotor Replacement (JH6) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
    CAUTION:

    Whenever the rotor has been separated from the axle flange, clean any rust or foreign material from the mating surface of the axle flange and brake rotor. Failure to do this may result in increased lateral runout of the rotor and brake pulsation.

  1. Thoroughly clean any rust or corrosion from the mating surface of the hub/axle flange.
  2. 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. GM4830111Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If installing the original brake rotor, align the relationship mark made during removal.

    Rear Brake Rotor (1) - Install

  5. GM4830107Courtesy of GENERAL MOTORS COMPANY

    Install the brake caliper and bracket assembly.(1)

  6. Prepare the brake caliper bracket bolts and the bracket threaded holes for assembly:
    • Thoroughly clean the residue from the bolt threads with denatured alcohol and allow to dry.
    • Thoroughly clean the residue from the threaded holes with denatured alcohol and allow to dry.
    • Apply threadlocker to 2/3 of the threaded length of the bolts. Adhesives, Fluids, Lubricants, and Sealers 
  7. GM4830106Courtesy of GENERAL MOTORS COMPANY

    Rear Brake Caliper Bracket Bolt(1) - Install and tighten[2x] - Rear Brake Caliper Bracket Replacement (JH9) , or Rear Brake Caliper Bracket Replacement (JH6) 

  8. Adjust the parking brake, if necessary. Parking Brake Adjustment
  9. Install the rear tire and wheel assemblies. Tire and Wheel Removal and Installation (Without Dual Rear Wheels) , or Tire and Wheel Removal and Installation (With Dual Rear Wheels)
  10. Remove the support and lower the vehicle.
  11. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then repeat steps 11 and 12 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  14. Burnish the brake pads and rotors. Brake Pad and Rotor Burnishing