Hydraulic Control Assembly - Antilock Brakes: Service and Repair

Hydraulic Control Unit (HCU)














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.

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. Remove the air cleaner assembly. For additional information, refer to Fuel Delivery and Air Induction.
2. Disconnect the battery ground cable. For additional information, refer to Battery.

3. NOTE: Clean and plug each port of the hydraulic control unit (HCU) to prevent brake fluid from spilling and contaminates from entering the HCU.

Disconnect the 6 brake tube-to-HCU fittings.
^ To install, tighten to 18 Nm (13 ft. lbs.).
4. Disconnect the ABS module electrical connector.
5. Remove the 2 HCU-to-mounting bracket nuts.
^ To install, tighten to 9 Nm (80 inch lbs.).
6. Remove the HCU.
7. To install, reverse the removal procedure.
8. Bleed the brake system.