Removal and Replacement

Hydraulic Control Unit (HCU)

Material:

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 battery tray.
2. Remove the cap and using a suitable clean suction device, remove the brake fluid from the brake fluid reservoir.
3. Loosen the battery junction box (BJB) mounting screw.





4. Disconnect the BJB from the bracket and position aside.
^ Press the locking tab.





5. Disconnect the ABS module electrical connector by rotating the connector.





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

Disconnect the HCU brake tubes.
^ To install, tighten to 18 Nm (13 lb-ft).
7. Detach the brake tubes from the clips.





8. Disconnect the wiring harness from the wheelhouse assembly.





9. Remove the 3 HCU bracket-to-frame nuts.
^ To install, tighten to 9 Nm (80 lb-in).

10. Remove the 2 HCU-to-bracket bolts and separate the HCU from the support bracket.
^ To install, tighten to 9 Nm (80 lb-in).
11. To install, reverse the removal procedure. Bleed the brake system.