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Home >> Buick >> 2003 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 1337 (Disc Brake System) >> Repair Instructions >> Brake Caliper Replacement - Front >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
  1. If reusing the brake caliper pin bolts, wipe the old grease from the brake caliper pin bolts with a clean shop towel.
  2. IMPORTANT: DO NOT apply lubricant to the brake pad hardware.
  3. Apply a thin coat of NIGLUBE® grease to the brake caliper pin bolts. It is not necessary to apply lubricant to the brake pad hardware or the threads of the caliper pin bolts.
  4. Fig 1: View Of Caliper, Brqacket And Caliper Pins
    GM793823Courtesy of GENERAL MOTORS CORP.
  5. Install the brake caliper (2) over the brake pads into the brake caliper bracket (3).
  6. NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: The upper caliper pin bolt, has a bushing as part of the bolt. The lower caliper pin bolt, is of a solid design.
  7. Install the caliper pin bolts (1).

    Tighten:  Tighten the brake caliper pin bolts to 85 N.m (63 lb ft).

  8. IMPORTANT: Install NEW copper brake hose gaskets.
  9. Assemble the brake hose bolt and the NEW copper brake hose gaskets to the brake hose.
  10. Fig 2: Brake Hose To Caliper View
    GM420705Courtesy of GENERAL MOTORS CORP.
  11. Install the brake hose to caliper bolt to the brake caliper.

    Tighten:  Tighten the brake hose to caliper bolt to 44 N.m (32 lb ft).

  12. Bleed the brake system. Refer to Hydraulic Brake System Bleeding (Manual) or Hydraulic Brake System Bleeding (Pressure) in Hydraulic Brakes.
  13. With the engine OFF, gradually apply the brake pedal to approximately 2/3 of its travel distance.
  14. Slowly release the brake pedal.
  15. Wait 15 seconds, then repeat steps 8-9 until a firm brake pedal is obtained. This will properly seat the brake caliper pistons and brake pads.
  16. Remove the 2 wheel lug nuts retaining the brake rotor to the hub.
  17. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  18. Lower the vehicle.