Four Wheel Antilock Brake System (4WABS)

Hydraulic Control Unit (HCU)

Removal and Installation

1. CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.

Disconnect the battery negative cable.





2. Disconnect the anti-lock brake control module electrical connector.





3. WARNING: Brake fluid contains polyglycol ethers and polyglycols. Avoid contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.

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.

CAUTION: Only Ford authorized inlet hydraulic brake tubes should be used. These tubes are of specific design and only Ford authorized parts should be used when installing new inlet brake tubes.

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

Disconnect the hydraulic brake tubes





4. Remove the bolts and the Hydraulic Control Unit (HCU)
5. To install, reverse the removal procedure.
^ Bleed the brake system.