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Hydraulic Control Unit - (HCU): Removal

WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: Brake fluid contains polyglycol ethers and polyglycols. A void contact with eyes. Wash hands thoroughly after handling. If brake fluid contacts eyes, flush eyes with running water for 15 minutes. Get medical attention if irritation persists. If taken internally, drink water and induce vomiting. Get medical attention immediately.
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.
NOTE:
The HCU mounts to a bracket on L/H inner fender well in engine compartment.
  1. Disconnect the battery ground cable; refer to BATTERY, MOUNTING AND CABLES .
  2. Position the radiator coolant recovery reservoir (8A080) aside.
    1. Remove the bolts.
    2. Position the radiator coolant recovery reservoir aside.
      Fig 1: Removing Bolts
      G01439654Courtesy of FORD MOTOR CO.
    3. NOTE: Do not disconnect the hose from the power steering pump reservoir.
    Fig 2: Removing Bolts And Position Power Steering Pump Reservoir Aside
    G01439655Courtesy of FORD MOTOR CO.
  3. Remove the bolts and position the power steering pump reservoir aside.
  4. Disconnect the brake lines from the brake master cylinder.
    Fig 3: Disconnecting Brake Lines From Brake Master Cylinder
    G01439656Courtesy of FORD MOTOR CO.
    5. NOTE: Plug each port of the hydraulic control unit (HCU) to prevent brake fluid from spilling.
  5. Disconnect the brake lines.
    1. Remove the 7/16-24 brake lines.
    2. Disconnect the 1/2-20 brake lines.
      Fig 4: Disconnecting Brake Lines
      G01439657Courtesy of FORD MOTOR CO.
  6. Disconnect the anti-lock brake control module electrical connector.
    1. Lift the lock tab upward.
    2. Disconnect the anti-lock brake control module electrical connector.
      Fig 5: Disconnecting Anti-Lock Brake Control Module Electrical Connector
      G01439658Courtesy of FORD MOTOR CO.
  7. Remove the HCU bracket to inner fender well nuts.
    Fig 6: Removing HCU Bracket To Inner Fender Well Nuts
    G01439659Courtesy of FORD MOTOR CO.
  8. Remove the HCU.
    1. Disconnect the anti-lock brake control module electrical connectors.
    2. Remove the HCU.
      Fig 7: Removing HCU
      G01439660Courtesy of FORD MOTOR CO.
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