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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Disc Brake System) >> Repair Instructions >> Rear Brake Rotor Replacement (J6G) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
    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. Fig 1: Brake Rotor
    GM4004087Courtesy of GENERAL MOTORS COMPANY
  5. Install Brake Rotor (1)
  6. Fig 2: Brake Rotor Bolt
    GM4004085Courtesy of GENERAL MOTORS COMPANY
  7. Install Brake Rotor Bolt (1) and tighten 10 N.m (89 lb in)
  8. Prepare the brake caliper bracket bolts and the bracket threaded holes for assembly:
    • Thoroughly clean the residue from the bolt threads with denatured alcohol or equivalent and allow to dry.
    • Thoroughly clean the residue from the threaded holes with denatured alcohol or equivalent and allow to dry.
    • Apply threadlocker to 2/3 of the threaded length of the bolts. Adhesives, Fluids, Lubricants, and Sealers 
    • Ensure there are no gaps in the threadlocker along the length of the filled area of the bolts.
    • Allow the threadlocker to cure approximately 10 minutes before installation.
  9. Fig 3: Brake Caliper Assembly
    GM4004083Courtesy of GENERAL MOTORS COMPANY
  10. Install Brake Caliper Assembly (1)
  11. Fig 4: Brake Caliper Bolt
    GM4004081Courtesy of GENERAL MOTORS COMPANY
  12. Install Brake Caliper Bolt (1) and tighten 125 N.m (92 lb ft)
  13. Install Tire and Wheel.Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series)
  14. Burnish the brake pads and rotors. Brake Pad and Rotor Burnishing .