Assembly Procedure
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
Lubricate the rear brake caliper piston seal (3) with GM approved brake fluid from a clean, sealed brake fluid container. Adhesives, Fluids, Lubricants, and Sealers
- Install the NEW rear brake caliper piston seal (3) into the brake caliper housing groove. Ensure the rear brake caliper piston seal is properly seated in the caliper housing groove and is not distorted.
- Install the NEW rear brake caliper piston boot (2) into the brake caliper housing dust boot groove on the piston.
- Install the rear brake cylinder piston (1) in the brake caliper housing body aligning the park brake spindle nut flat features with corresponding flat features inside piston hollow so when the rear brake cylinder piston (1) is pressed into the bore the spindle nut and piston mate.
- Install the rear brake caliper piston boot into the rear brake caliper housing.
- Fully seat the rear brake cylinder piston (1) into the brake caliper bore.
Rotate the rear brake cylinder piston (1) in bore to align piston face slots so they are perpendicular to a line between the caliper housing mounting holes.
Rear Brake Bleeder Valve (2) - Install and hand tighten
- Rear Brake Bleeder Valve Cap (1) - Install