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.

1. Remove the pin-type retainers and remove the upper radiator sight shield.





2. Remove the Air Cleaner (ACL) assembly. For additional information, refer to Fuel Delivery and Air Induction.

3. Disconnect the ABS module electrical connector.

4. NOTE: Brake tubes must be installed in the same location as removed.

Loosen the 6 brake tube-to-Hydraulic Control Unit (HCU) fittings, disconnect and position the brake tubes aside.

- To install:
- Tighten the master cylinder primary brake tube and the master cylinder secondary brake tube to 22 Nm (16 lb-ft).

- Tighten the LH front, RH front, LH rear, and RH rear brake tubes to 17 Nm (150 lb-in).

5. Remove the 3 HCU bracket-to-frame bolts.
- To install, tighten to 25 Nm (18 lb-ft).

6. Remove the HCU assembly.

7. If necessary, remove the HCU bracket-to-HCU bolt and the bracket.
- To install, tighten to 15 Nm (133 lb-in).

8. To install, reverse the removal procedure.
- Bleed the brake system. For additional information, refer to Brakes and Traction Control.

- If a new HCU was installed, use the scan tool to carry out the IVD Initialization sequence.