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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 623 (Vehicle Dynamic Systems) >> Removal And Installation >> Hydraulic Control Unit (HCU) >> Removal and Installation

Removal and Installation

WARNING: This page is about a different car, the 2006 Mercury Milan, 2006 Lincoln Zephyr, and 2006 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
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. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES .
  2. Remove the degas bottle. For additional information, refer to ENGINE COOLING .
  3. Disconnect the anti-lock brake system (ABS) module electrical connector.
  4. Disconnect the brake tube fittings.
    • To install, tighten to 17 Nm (13 lb-ft).
  5. Remove the hydraulic control unit (HCU) bracket nut.
    • To install, tighten to 23 Nm (17 lb-ft).
  6. Remove the hydraulic control unit (HCU) bracket bolt.
    • To install, tighten to 23 Nm (17 lb-ft).
  7. Remove the hydraulic control unit (HCU) bracket stud.
    • To install, tighten to 23 Nm (17 lb-ft).
  8. Remove the HCU and bracket.
  9. Remove the HCU bracket-to-HCU bolt and remove the bracket.
    • To install, tighten to 9 Nm (80 lb-in).
  10. NOTE: Make sure the HCU and ABS module are clean and free of any brake fluid or foreign material before separating the components.
  11. To install, reverse the removal procedure.