Removal and Replacement

Brake Master Cylinder

Material:

Removal and Installation

WARNING: Use of any other than approved DOT 3 brake fluid will cause permanent damage to brake components and will render the brakes inoperative. Failure to follow these instructions may result in personal injury.

WARNING: Carefully read cautionary information on product label. For additional information, refer to product Material Safety Data Sheet (MSDS). For 24-hour MEDICAL EMERGENCY INFORMATION on Ford/Motorcraft products call: 1-800-959-3673 (FORD). Failure to follow these instructions may result in personal injury.

CAUTION: Brake fluid is harmful to painted and plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

1. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Disconnect the brake fluid level warning switch electrical connector.

3. CAUTION: The vacuum must be relieved in the brake booster before the master cylinder is removed. Failure to relieve the vacuum will result in the O-ring being drawn into the brake booster.

NOTE: If the O-ring is drawn into the brake booster and cannot be recovered, a new brake booster must be installed.

Remove the check valve from the brake booster to relieve the vacuum.
4. Disconnect the wiring retainer clip from the brake booster stud.





5. Disconnect the 2 brake tube fittings.
^ Plug the tubes and the brake master cylinder ports.
^ To install, tighten to 18 Nm (13 ft. lbs).
6. Remove the 2 brake master cylinder nuts and the brake master cylinder.
^ To install, tighten to 18 Nm (13 ft. lbs).
7. To install, reverse the removal procedure.
^ Bleed the master cylinder before installation.