Grand Prix V6-3.1L VIN J (2000)
5.
Remove the piston dust boot seal (2) from the seal counterbore in the caliper. Discard the boot seal.
6.
Using a small wooden or plastic tool, remove the piston seal (4) from the caliper bore. Discard the piston seal.
Important:
Do not use abrasives to clean the brake caliper piston.
7.
Clean the brake caliper piston bore and seal counterbore and the caliper piston with denatured alcohol, or equivalent.
8.
Dry the caliper piston bore and counterbore and the piston with non-lubricated, filtered air.
9.
Inspect the caliper bore for cracks, scoring, pitting, excessive rust and/or excessive corrosion.
10.
If light rust or light corrosion are present in the caliper bore, attempt to remove the imperfection with a fine emery paper. If the imperfection
cannot be removed, replace the caliper assembly.
11.
If cracks, scoring, pitting, excessive rust and/or excessive corrosion are present in the caliper bore, replace the caliper assembly.
12.
Inspect the caliper piston for cracks, scoring and/or damage to the chrome plating. Replace the caliper piston if any of these conditions exist.
13.
Lubricate the new piston seal (4) with Delco Supreme 11(R), P/N 12377967 (in Canada, use P/N 992668), or equivalent DOT-3 brake fluid from a
clean, sealed brake fluid container.
14.
Install the lubricated new piston seal (4) into the caliper bore.
15.
Install the bottom half of the caliper piston (3) into the caliper bore.
16.
Install the new piston dust boot seal (2) over the caliper piston (3).
17.
Compress the caliper piston (3) to the bottom of the caliper bore.
18.
Fully seat the piston dust boot seal (2) into caliper counterbore.
