Master Cylinder: Disassembly
NOTE:
Procedure is for ABS master cylinder, non-ABS similar.
- Remove the brake master cylinder. See MASTER CYLINDER under REMOVAL & INSTALLATION.
- Clean the outside of the brake master cylinder.
- Support the brake master cylinder body in a vice.
- Remove the reservoir cap.
- Use a suitable suction device to drain the brake master cylinder reservoir.
- Carefully pry up on the brake master cylinder reservoir to remove.
- If equipped, remove the two brake pressure control valves. See Figure.
- Remove the primary piston assembly. Depress the primary piston and remove the snap ring. See Figure. Remove and discard the primary piston assembly. See Figure.
- Remove the secondary piston assembly. Plug the rear outlet port. See Figure. Apply compressed air into the front outlet port and remove and discard the secondary piston assembly.
- Inspect the brake master cylinder bore for damage. Use isopropyl alcohol to clean the bore.