Removal and Installation

WARNING: Use of any other than approved DOT 3 or DOT 4 brake fluid will cause permanent damage to brake components and will render the brakes inoperative.

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 or plastic surfaces. If brake fluid is spilled onto a painted or plastic surface, immediately wash it with water.

CAUTION: Do not allow the master cylinder to run dry during the bleeding operation. Keep the master cylinder reservoir filled with the specified brake fluid. Never reuse the brake fluid that has been drained from the hydraulic system.

Remove the battery tray.
Disengage the wiring connector lock.

Fig 1: Disengaging Wiring Connector Lock
Courtesy of FORD MOTOR CO.
Disconnect the wiring.

Fig 2: Disconnecting Wiring
Courtesy of FORD MOTOR CO.
Disconnect the brake lines.

Fig 3: Disconnecting Brake Lines
Courtesy of FORD MOTOR CO.
Remove the bolts and the electronic control unit (ECU)/hydraulic control unit (HCU) assembly.

Fig 4: Identifying Electronic Control Unit Mounting Bolts
Courtesy of FORD MOTOR CO.
Disconnect the wiring.

Fig 5: Disconnecting Wiring
Courtesy of FORD MOTOR CO.
Remove the screws and the ECU.

Fig 6: Removing ECU Screws
Courtesy of FORD MOTOR CO.
Loosen the nuts and remove the bracket.
To install, reverse the removal procedure.
- Bleed the brake system. Refer to BLEEDING BRAKE SYSTEM .