Brake Master Cylinder: Service and Repair

Brake Master Cylinder





NOTE: Automatic transmission shown, manual transmission similar.

NOTE: Non-hybrid vehicle shown, hybrid vehicle similar.









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. Remove the brake fluid reservoir. For additional information, refer to Brake Fluid Reservoir .

2. If equipped with a manual transmission, disconnect the clutch master cylinder feed hose.
- Plug the clutch master cylinder feed hose.


3. Disconnect the brake master cylinder brake tube fittings, plug the brake tubes and the brake master cylinder ports.
- Non-hybrid vehicles: To install, tighten to 28 Nm (21 lb-ft).

- Hybrid vehicles: To install, tighten to 20 Nm (177 lb-in).


4. NOTICE: Use only hand tools to remove and install the fasteners or damage to the booster may occur.

Remove the 2 brake master cylinder nuts.
- To install, tighten to 20 Nm (177 lb-in).


5. Remove the brake master cylinder.

6. NOTICE: Do not allow the flexible portion of the brake tubes to twist during installation, or damage to the brake tubes may occur.

To install, reverse the removal procedure.
- Bleed the master cylinder.

- If equipped with a manual transmission, bleed the clutch master cylinder.