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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes >> Repair Instructions >> Front Brake Rotor Replacement (JH9) >> Installation Procedure

Installation Procedure

    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. If installing a NEW brake rotor, clean the friction surfaces of the brake rotor with denatured alcohol.
  5. Inspect the mating surfaces of the hub/axle flange and the rotor to ensure that there are no foreign particles or debris remaining.
  6. GM4871141Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

    Front Brake Rotor (1) - Install

  7. GM4829372Courtesy of GENERAL MOTORS COMPANY

    Install the brake caliper and bracket assembly. (1)

  8. GM4829370Courtesy of GENERAL MOTORS COMPANY

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

  9. Front Wheel Hub Extension - Install - Front Wheel Hub Extension Replacement (JH9)
  10. Install the front tire and wheel assembly. Tire and Wheel Removal and Installation (Without Dual Rear Wheels) , or Tire and Wheel Removal and Installation (With Dual Rear Wheels)
  11. Remove the supports and lower the vehicle.
  12. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  13. Slowly release the brake pedal.
  14. Wait 15 seconds, then repeat steps 12 - 13 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.