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Hydraulic Control Unit (HCU): Removal

    All Vehicles 

    CAUTION: If brake fluid is spilled on the paintwork, the effected area must be immediately washed down with cold water.
  1. Disconnect the battery ground cable.
  2. Disconnect the electrical connection from the filler cap.
    1. Pull back the tab.
    2. Depress the clips.
    3. Disconnect the electrical connector.
      Fig 1: Disconnecting Electrical Connection From Filler Cap
      G01610759Courtesy of FORD MOTOR CO.
    3. CAUTION: Make sure the filler cap does not become contaminated.
    Fig 2: Removing Reservoir Filler Cap
    G01610760Courtesy of FORD MOTOR CO.
  3. Remove the reservoir filler cap.
  4. Loosen the wheel nuts of the front wheels.
  5. Raise and support the vehicle. For additional information, refer to JACKING & HOISTING .
  6. Remove the front wheels.
  7. Loosen the bleed nipple.
    1. Remove the bleed nipple cap.
    2. Loosen the bleed nipple.
      Fig 3: Loosening Bleed Nipple
      G01610761Courtesy of FORD MOTOR CO.
    8. NOTE: Carry out this process on both the front brake lines.
  8. Drain the brake fluid reservoir.
    1. Connect a bleed tube to the bleed nipple and into a suitable container.
    2. Depress the brake pedal until the no more fluid is expelled.
    3. Tighten the bleed nipple.
      Fig 4: Draining Brake Fluid Reservoir
      G01610762Courtesy of FORD MOTOR CO.
  9. Lower the vehicle.
  10. Remove the air cleaner. .
  11. Remove the air cleaner outlet tube.
  12. Disconnect the electrical connector.
    Fig 5: Disconnecting Electrical Connector
    G01610763Courtesy of FORD MOTOR CO.
  13. Remove the central electrical box retaining screw.
    Fig 6: Removing Central Electrical Box Retaining Screw
    G01610764Courtesy of FORD MOTOR CO.
  14. Detach the central electrical box.
    • Relocate to the air cleaner position.
      Fig 7: Detaching Central Electrical Box
      G01610765Courtesy of FORD MOTOR CO.
  15. Disconnect the hydraulic control unit electrical connector.
    1. Release the retainer.
    2. Disconnect the electrical connector.
      Fig 8: Disconnecting Hydraulic Control Unit Electrical Connector
      G01610766Courtesy of FORD MOTOR CO.

    16. Vehicles With Stability Assist 

  16. Disconnect the hydraulic control unit electrical connector.
    1. Release the retainer.
    2. Disconnect the electrical connector.
      Fig 9: Disconnecting Hydraulic Control Unit Electrical Connector
      G01610767Courtesy of FORD MOTOR CO.

    17. All Vehicles 

    CAUTION: Cap the brake tube connections to prevent fluid loss or dirt contamination.
    Fig 10: Disconnecting Hydraulic Control Unit Brake Tubes
    G01610768Courtesy of FORD MOTOR CO.
  17. Disconnect the hydraulic control unit brake tubes.
  18. Detach the brake tubes.
    Fig 11: Detaching Brake Tubes
    G01610769Courtesy of FORD MOTOR CO.

    Left-hand drive vehicles 

    19. CAUTION: Cap the brake tube connections to prevent fluid loss or dirt contamination.
    Fig 12: Disconnecting Master Cylinder Brake Tubes
    G01610770Courtesy of FORD MOTOR CO.
  19. Disconnect the master cylinder brake tubes.

    All Vehicles 

  20. Detach the hydraulic control unit.
    Fig 13: Identifying Hydraulic Control Unit
    G01610771Courtesy of FORD MOTOR CO.
  21. Detach the wiring loom from the suspension turrent.
    Fig 14: Identifying Wiring Loom From Suspension Turrent
    G01610772Courtesy of FORD MOTOR CO.
  22. Remove the hydraulic control unit.
    Fig 15: Removing Hydraulic Control Unit
    G01610773Courtesy of FORD MOTOR CO.
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