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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Disc Brake System) >> Repair Instructions >> Front Brake Caliper Replacement (J55) >> 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.
  1. Prepare the brake caliper bolts and steering knuckle 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 caliper bolts. Refer to 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.
  2. Install the brake caliper to the steering knuckle.
  3. Fig 1: Brake Caliper Bolts
    GM2827513Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  4. Install the brake caliper bolts (1) and tighten to 150 N.m (111 lb ft) + 30 degrees.
  5. Fig 2: Brake Hose Fitting Bolt
    GM2827510Courtesy of GENERAL MOTORS COMPANY
  6. Assemble the brake hose fitting bolt (1) and the 2 new brake hose fitting gaskets (2) to the brake hose (3).
  7. Install the brake hose assembly to the brake caliper and tighten the brake hose fitting bolt to 40 N.m (30 lb ft).
  8. Fig 3: Brake Pads
    GM2827509Courtesy of GENERAL MOTORS COMPANY
  9. Install the brake pads (1).
  10. Fig 4: Brake Pad Spring
    GM2827504Courtesy of GENERAL MOTORS COMPANY
  11. Install the brake pad spring (1).
  12. Fig 5: Brake Caliper Pins
    GM2827500Courtesy of GENERAL MOTORS COMPANY
  13. Hold the ends of the brake pad spring down and insert the brake caliper pins (1) into the caliper housing and through the disc brake pad locating loops.
  14. Carefully drive the brake caliper pins into the brake caliper.
  15. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding (Manual)Hydraulic Brake System Bleeding (Pressure) .
  16. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation (Non V-Series)Tire and Wheel Removal and Installation (V-Series) .