Disc Caliper: Reassembly

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 1990 Pontiac Bonneville, 1990 Oldsmobile Ninety-Eight, 1990 Oldsmobile Eighty-Eight, 1990 Cadillac Fleetwood, and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.

Lubricate bore in caliper and new piston seal with clean brake fluid. Position seal in caliper bore groove. Lubricate piston with clean brake fluid. Assemble new boot into groove in piston with fold facing open end of piston.
Insert piston into caliper bore using care not to unseat seal. Do not force piston to bottom of bore. Position outer diameter of boot in caliper counterbore. Seat boot using dust boot installer.
Check boot installation to make sure retaining ring molded into boot is not bent and that boot is installed completely below caliper face. Install brake hose, using a new copper gasket.

NOTE: After caliper has been overhauled and installed, it must be bled.

Fig 1: Exploded View Of Single Piston Front Caliper