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Home >> Oldsmobile >> 1998 >> Intrigue Base >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Removal & Installation >> Brake Calipers >> Removal (Front)

Removal (Front)

  1. Remove approximately 2/3 of brake fluid from master cylinder reservoir.
  2. Raise and support vehicle.
  3. Mark the relationship of the wheel to the hub.
  4. Remove wheels.
    5. NOTE: Numbers in parenthesis in text refer to numbers in graphic.
    Fig 1: Sectional View Of Caliper (Front)
    G00212655Courtesy of GENERAL MOTORS CORP.
  5. Push the piston (4) onto the caliper bore in order to provide clearance between the linings and the rotor. See Fig 1.
  6. Install a large C-clamp over the top of the caliper housing (3) and against the back of the outboard shoe (1).
  7. Slowly tighten the C-clamp until the piston (4) pushes into the caliper bore enough to slide the caliper (3) off the rotor. Do not overtighten the C-clamp. Overtightening the C-clamp will deform the outboard shoe (1).
    8. NOTE: Do not allow calipers to hang from the flexible hoses. Doing so can damage the hoses.
  8. If caliper is removed from the vehicle for unit repair (overhaul), then remove the brake hose bolt that attaches the inlet fitting. If only the brake pads are being replaced, do not disconnect the inlet fitting.
  9. Plug the openings in the caliper housing and the pipe in order to prevent brake fluid loss and contamination.
  10. Remove the caliper bolts (3). Remove the caliper housing (1) from the rotor and the caliper bracket (2). See Fig 2.
    Fig 2: Removing Caliper Bolts, Housing & Bracket
    G00212656Courtesy of GENERAL MOTORS CORP.
  11. Inspect the bolt boots for cuts, tears or deterioration. Replace the bolt boots if damage exists. Refer to BRAKE CALIPER BRACKETS  under REMOVAL & INSTALLATION.
  12. Inspect the piston boot for cuts, tears or deterioration. Replace the bolt boots in the caliper bracket if damage exists. Refer to BRAKE CALIPERS  in OVERHAUL.
  13. Inspect the bolt boots in the caliper bracket for the following conditions cuts, tears or deterioration. Replace the bolt boots in the caliper bracket if damage exists. Refer to BRAKE CALIPER BRACKETS  under REMOVAL & INSTALLATION.
  14. Inspect the caliper bolts for corrosion or damage. If corrosion is found, use new parts, including bushings, when installing the caliper. Do not attempt to polish away corrosion.
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