Hydraulic Control Assembly - Antilock Brakes: Service and Repair

Hydraulic Control Unit (HCU)









Hydraulic Control Unit (HCU), Brake Tubes, Electrical Connector and Bracket









Hydraulic Control Unit (HCU) and Brackets









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.

NOTE: The Hydraulic Control Unit (HCU) and ABS module are serviced as an assembly.

1. If installing a new HCU/ABS module, connect the scan tool and upload the module configuration information from the ABS module. For additional information, refer to Module Configuration Module Configuration.

2. With the vehicle in NEUTRAL, position it on a hoist. For additional information, refer to Jacking and Lifting Service and Repair.

3. Remove the 2 HCU bracket-to-frame bolts.
- To install, tighten to 24 Nm (18 lb-ft).

4. Remove the nut and evaporator outlet tube bracket.
- To install, tighten to 8 Nm (71 lb-in).





5. Disconnect the exhaust camshaft Variable Camshaft Timing (VCT) oil control solenoid electrical connector.





6. NOTE: Cap the brake tube connections to prevent fluid loss or dirt contamination.

Disconnect the 6 brake tubes from the HCU.

- To install, tighten the brake tube fittings to 17 Nm (150 lb-in).

7. Disconnect the HCU/ABS module electrical connector.

8. Position the HCU to the center line of the vehicle and remove the HCU.

9. To install, reverse the removal procedure.

1. If a new HCU/ABS module was installed, download the module configuration information from the scan tool. For additional information, refer to Module Configuration Module Configuration.

2. Bleed the brake system. For additional information, refer to Brake System - General Information Brake System Bleeding.