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.

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: On vehicles equipped with Roll Stability Control (RSC(R)), the ABS module and the Hydraulic Control Unit (HCU) are calibrated to one another. Do not swap ABS modules between RSC(R)-equipped vehicles.

1. If a new ABS module and HCU are being installed, connect the scan tool and upload the module configuration information. For additional information, refer to Module Configuration Programmable Module Installation (PMI).

2. Disconnect the ABS module electrical connector.

3. NOTICE: Only authorized inlet hydraulic brake tubes should be used. These tubes are of specific design and only authorized parts should be used when installing new inlet brake tubes. Use of other than authorized inlet brake tubes may result in damage to the components.

NOTE: Plug each open port to prevent brake fluid from spilling.

Disconnect the 6 brake tube fittings.

- To install:
- Tighten the master cylinder brake tube fittings to 25 Nm (18 lb-ft).

- Tighten the remaining brake tube fittings to 20 Nm (177 lb-in).

4. Remove the 3 HCU-to-bracket bolts and the HCU.
- To install, tighten to 9 Nm (80 lb-in).

5. To install, reverse the removal procedure.
- Bleed the brake system. For additional information, refer to Brake System - General Information Brake System Bleeding.

6. If a new ABS module and HCU were installed, download the configuration information from the scan tool. For additional information, refer to Module Configuration Programmable Module Installation (PMI).