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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brake System >> Repair Instructions >> Rear Disc Brake Pads Replacement >> Installation Procedure

Installation Procedure

  1. Ensure the brake pad hardware mating surfaces are clean.
    Fig 1: View Of Brake Pad Retainer Springs
    GM2028142Courtesy of GENERAL MOTORS COMPANY
  2. Install the brake pad retainers springs (1) to the brake caliper bracket (2) and apply a thin coat of high temperature silicone lube to the brake pad retainers.
  3. Install the brake pads (1) to the caliper bracket (2).
    Fig 2: View Of Installed Brake Pads
    GM2028137Courtesy of GENERAL MOTORS COMPANY
    NOTE: The wear sensor equipped disc brake pad must be mounted inboard of the rotor with the leading edge of the sensor facing the brake rotor during forward wheel rotation or at the top of the pad when installed in vehicle position.
  4. Rotate the brake caliper piston (1) into the brake caliper bore.
    Fig 3: Brake Caliper Piston And Pin Notch
    GM2028311Courtesy of GENERAL MOTORS COMPANY
    WARNING:
    1. When retracting the brake caliper piston, ensure to avoid the brake caliper piston boot rotating along with the brake caliper piston.

      The rotation damages the boot and dirt enters inside to the brake caliper piston. Blocking of the concerned disc brake and personal injury can occur.

      Avoid the brake caliper piston boot rotation with one or more of the following methods:

      • Rotate the piston slightly in the opposite direction until the boot stops to rotate and resets in normal state.
      • Clean the piston boot and piston boot to piston interface of dirt.
      • Lift slightly the piston boot lip from the piston groove to relieve residual forces.
      • Apply carefully and under clean conditions, a thin film of Kluber GLK1 on the piston groove.
    2. When fully retracting the brake caliper piston, ensure the brake caliper piston slots are aligned vertically and the brake pad nose fits into the piston slot.

      A wrong installation can damage the brake pad and the brake caliper piston. A damage of the brake parts can occur a brake force reduction and personal injury.

  5. Align the notch on the brake caliper piston with the pin (2) on the disc brake pad.
  6. Remove the support and rotate the brake caliper (1) into position over the disc brake pads and to the caliper mounting bracket.
    Fig 4: Brake Caliper Mass Dampener
    GM2188938Courtesy of GENERAL MOTORS COMPANY
  7. Install the lower brake caliper mass dampener (2) and tighten to 28 N.m (21 lb ft). Counter the hex flange on the rear brake caliper bracket using a suitable wrench.
    CAUTION: Refer to Fastener Caution .
  8. Check for correct position of the brake caliper piston slot to the brake pad slots.
    Fig 5: Identifying Brake Caliper Piston Slot
    GM3947193Courtesy of GENERAL MOTORS COMPANY
  9. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  10. Lower the vehicle.
  11. With the engine OFF, gradually apply the brake pedal approximately 2/3 of its travel distance.
  12. Slowly release the brake pedal.
  13. Wait 15 seconds, then gradually apply the brake pedal approximately 2/3 of its travel distance again until a firm brake pedal apply is obtained. This will properly seat the brake caliper pistons and brake pads.
  14. Fill the master cylinder reservoir to the proper level. Refer to Master Cylinder Reservoir Filling .
  15. Burnish the brake pads and the brake rotor. Refer to Brake Pad and Rotor Burnishing .
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