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Brake Master Cylinder: Service and Repair




Brake Master Cylinder













Removal and Installation

WARNING: Do not use any fluid other than clean brake fluid meeting manufacturer's specification. Additionally, do not use brake fluid that has been previously drained. Following these instructions will help prevent system contamination, brake component damage and the risk of serious personal injury.

WARNING: Carefully read cautionary information on product label. For EMERGENCY MEDICAL INFORMATION seek medical advice. In the USA or Canada on Ford/Motorcraft products call: 1-800-959-3673. For additional information, consult the product Material Safety Data Sheet (MSDS) if available. Failure to follow these instructions may result in serious personal injury.

NOTICE: Do not spill brake fluid on painted or plastic surfaces or damage to the surface may occur. If brake fluid is spilled onto a painted or plastic surface, immediately wash the surface with water.

1. Disconnect the brake fluid level switch.

2. Remove the air cleaner element. For additional information, refer to Intake Air Distribution and Filtering Air Cleaner Element Intake Air Distribution and Filtering.

3. Remove the 2 bolts and position the coolant expansion tank assembly aside.
- To install, tighten bolts to 15 Nm (133 lb-in).





4. Loosen the brake tube fittings and disconnect the brake tubes.
- Plug the master cylinder ports.

- To install, tighten the fittings to 25 Nm (18 lb-ft).

5. If equipped, detach the vacuum sensor wiring harness locator and front axle vent hose locator from the master cylinder mounting studs.

6. NOTICE: When the master cylinder is removed, the piston will be exposed. Do not damage the piston or piston surface or a fluid leak may occur.

Remove the 2 brake master cylinder nuts and the brake master cylinder.

- To install, tighten to 25 Nm (18 lb-ft).

7. To install, reverse the removal procedure.
- Bleed the master cylinder. For additional information, refer to Brake System - General Information Component Bleeding.