Wheel Cylinders: Removal
- Raise and support the vehicle. Remove the tire and wheel assembly.
- Remove the brake drum. See BRAKE DRUMS .
- Remove the brake shoes. See REAR BRAKE SHOES .
- Clean the wheel cylinder and the outboard side of the brake backing plate. Use GM Non-Chlorinated Brake Parts Cleaner, GM P/N 12377981, or equivalent.
- Clean the brake pipe and the inboard side of the brake backing plate. Use GM Non-Chlorinated Brake Parts Cleaner, GM P/N 12377981, or equivalent.
- If you are servicing the right wheel cylinder, loosen the 2 brake pipe flare nuts. Ensure the brake fluid does not leak from the brake pipes.
- If you are servicing the right wheel cylinder, loosen the 2 brake pipe flare nuts. Ensure the brake fluid does not leak from brake pipe.
- Remove the 2 wheel cylinder bolts.
- Remove the bleeder valve cap from the left rear brake bleeder valve.
- If you are servicing the right wheel cylinder, remove the bleeder valve cap from a front brake bleeder valve.
- If you are servicing the right wheel cylinder, remove the 2 brake pipes from the right wheel cylinder. Plug the brake pipes with the bleeder valve caps in order to prevent contamination of the brake fluid.
- If you are servicing the left wheel cylinder, remove the brake pipe from the left wheel cylinder. Plug the brake pipe with the bleeder valve cap.
- Remove the wheel cylinder from the backing plate.
- Remove the gasket from the wheel cylinder.