Hydraulic Control Assembly - Antilock Brakes: Service and Repair

Hydraulic Control Unit (HCU)

Material:

Removal and Installation

WARNING: Use of any other than approved DOT 3 motor vehicle brake fluid will cause permanent damage to brake components and will render the brakes inoperative. Failure to follow these instructions may result in 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 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 air cleaner outlet tube and the air cleaner assembly. For additional information, refer to Fuel Delivery and Air Induction.
2. Remove the battery and battery tray. For additional information, refer to Battery.
3. Disconnect the anti-lock brake system (ABS) module electrical connector.
4. Disconnect the 6 brake tube fittings.
^ To install, tighten the brake master cylinder tubes to 27 Nm (20 ft. lbs).
^ To install, tighten the remaining tubes to 22 Nm (16 ft. lbs).
5. Remove the hydraulic control unit (HCU) bracket.
^ To install, tighten to 23 Nm (17 ft. lbs).
6. Remove the 3 HCU bracket-to-frame bolts and the HCU.
^ To install, tighten to 25 Nm (18 ft. lbs).
7. Remove the 3 HCU bracket-to-HCU bolts and separate the HCU from the bracket.
^ To install, tighten to 15 Nm (11 ft. lbs).

8. NOTE: Make sure the HCU and ABS module are clean and free of any brake fluid or foreign material before separating the components.

To install, reverse the removal procedure.
^ Bleed the brake system.