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Home >> GMC >> 2009 >> Envoy 4.2 S, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Disc Brake System) >> Repair Instructions >> Front Disc Brake Pads Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Isuzu Ascender, 2008 GMC Envoy, and 2008 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Caliper & Retaining Clips
    GM783127Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: When installing new brake pads, DO NOT reuse the old retaining clips for the brake pad. Use only NEW brake pad retaining clips.
  1. Install the brake pad retaining clips to the brake caliper mounting bracket.
  2. Fig 2: Removing/Installing Inboard Brake Pad
    GM783130Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use care when installing the pad so the spreader springs are not excessively deformed.
  3. Install the inboard brake pad.
  4. Fig 3: Removing/Installing Outboard Brake Pad
    GM783129Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Use care when installing the pad so the spreader springs are not excessively deformed.
  5. Install the outboard brake pad.
  6. Rotate the brake caliper down into position.
  7. Fig 4: Identifying Brake Caliper Guide Pin Bolt
    GM788118Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  8. Install the lower brake caliper guide pin bolt.

    Tighten:  Tighten the brake caliper guide pin bolt to 64 N.m (47 lb ft).

  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  10. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  11. Fill the brake master cylinder reservoir. Refer to Master Cylinder Reservoir Filling .
  12. CAUTION: Refer to Firm Brake Pedal Caution .
  13. Pump the brake pedal slowly and firmly to seat the brake pads.
  14. Burnish the new brake pads. Refer to Brake Pad and Rotor Burnishing .