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Home >> Ford >> 2006 >> Focus ZXW SES, Automatic >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Power Brake Actuation -- Brake Booster >> Removal And Installation >> Brake Booster >> Removal and Installation

Removal and Installation

    All vehicles 

  1. Remove the hydraulic control unit (HCU). For additional information, refer to VEHICLE DYNAMIC SYSTEMS .
  2. Disconnect the speed control actuator electrical connector.
  3. Remove the speed control actuator bolts and position the actuator aside.
    • To install, tighten to 9 Nm (80 lb-in).
  4. PZEV vehicles 

  5. Remove the evaporative emission canister purge valve. For additional information, refer to EVAPORATIVE EMISSIONS .
  6. All vehicles 

  7. Disconnect the heater hose bracket pin-type retainer from the cowl.
    Fig 1: Locating Heater Hose Bracket Pin-Type Retainer From Cowl
    G04651676Courtesy of FORD MOTOR CO.
  8. Remove the brake master cylinder. For additional information, refer to HYDRAULIC BRAKE ACTUATION .
  9. Disconnect the electrical connectors and twist to remove the switches.
    1. Speed control deactivation switch (if equipped).
    2. Stop lamp switch.
    3. Clutch pedal position (CPP) switch (manual transmission vehicles).
      Fig 2: Identifying Speed Control Deactivation Switch And Stop Lamp Switch
      G04651677Courtesy of FORD MOTOR CO.
  10. Disconnect the brake booster actuating rod from the brake pedal.
    1. Apply the brake pedal.
    2. Disengage the tab.
    3. Remove and discard the brake booster actuating rod pin.
      Fig 3: Removing And Discard Brake Booster Actuating Rod Pin
      G04651678Courtesy of FORD MOTOR CO.
  11. Remove the brake booster retaining nuts.
    • To install, tighten to 23 Nm (17 lb-ft).
  12. CAUTION: Install a new brake booster actuating rod pin.
  13. Remove the brake booster.
  14. CAUTION: Make sure that the brake booster actuator rod is correctly positioned through the bulkhead rubber boot.
    CAUTION: Make sure the brake booster gasket is correctly positioned on the brake booster before installation.
  15. To install, reverse the removal procedure.
  16. Bleed the brake system. For additional information, refer to BRAKE SYSTEM-GENERAL INFORMATION .