Disc Caliper - Front: Reassembly

1992 Chevrolet Cavalier RS, 2D Convertible, 3.1 T, StandardSECTION Reassembly
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1991 Pontiac Grand Prix, 1991 Oldsmobile Cutlass Supreme, 1991 Chevrolet Lumina, 1991 Buick Regal, and 1990 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Clean all parts not included in repair kit in denatured alcohol. Dry parts with non-lubricated dry compressed air. Check piston to bore fit by sliding piston into bore. Install cap and bleeder screw.
  2. Lubricate new piston seal with clean brake fluid and install in caliper bore seal groove. Make sure seal is not twisted. Lubricate bore with clean brake fluid.
  3. Install boot over end of piston so that fold in boot will face outward. Position piston over caliper bore and seat boot into groove by hand.
  4. Insert pistons into caliper bore. By hand, push pistons to bottom of bore. Make sure boot is properly seated in groove around piston and groove in caliper bores. Reinstall pads and caliper. Bleed brakes and road test.
Fig 1: Exploded View Of Dual Piston Front Caliper
G110009
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.