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Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 959 (Anti-Lock Brake System) >> Removal And Installation >> Hydraulic Control Unit (HCU) >> Removal And Installation

Removal And Installation

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.
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.
CAUTION: Electronic modules are sensitive to electrical charges. The anti-lock brake system (ABS) module can be damaged if exposed to these charges.

All vehicles 

  1. Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES article.
  2. Remove the air cleaner and the air cleaner outlet pipe. For additional information, refer to INTAKE AIR DISTRIBUTION AND FILTERING - 2.3L article or INTAKE AIR DISTRIBUTION AND FILTERING - 3.0L (4V) article.
  3. Disconnect the brake tube-to-hydraulic control unit (HCU) fittings.
    • To install, tighten to 15 Nm (11 lb-ft).
  4. Vehicles with 3.0L engine 

  5. Remove the HCU-to-master cylinder brake tube fittings.
    • To install, tighten to 15 Nm (11 lb-ft).
  6. All vehicles 

  7. Remove the 3 HCU bracket-to-frame bolts.
    • To install, tighten to 23 Nm (17 lb-ft).
  8. Disconnect the electrical connector by rotating the protective cover.
  9. Fig 1: Rotating Protective Cover
    GF0024674Courtesy of FORD MOTOR CO.
  10. Remove the 3 bracket-to-HCU bolts.
    • To install, tighten to 9 Nm (80 lb-in).
  11. Remove the HCU.
  12. Remove the 3 screws and the ABS module.
    • To install, tighten to 2 Nm (18 lb-in).
  13. To install, reverse the removal procedure.