You should remove the rear brake caliper from the vehicle, remove the brake caliper piston from the caliper bore, remove the piston dust boot seal, remove the piston seal, remove the bleeder valve and cap, clean the brake caliper piston bore and seal counterbore, and the caliper piston, dry the caliper piston bore and counterbore, and the piston, inspect the caliper bore for cracks, scoring, pitting, excessive rust, install the lubricated, new piston seal, install the new piston dust boot seal over the piston, install the caliper piston into the caliper bore, install the caliper bleed screw, install the caliper bleed screw cap and then install the caliper to the vehicle.
By BobGM Specialist
29/10/2022