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.

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. Disconnect the battery ground cable. For additional information, refer to Battery.
2. Remove the air cleaner 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 to 17 Nm (13 lb-ft).
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 11 Nm (8 lb-ft).
8. To install, reverse the removal procedure.
^ Bleed the brake system.