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Home >> Ford >> 2005 >> Focus ZX3 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 ANTI-LOCK CONTROL .
  2. Disconnect the speed control actuator electrical connector.
    Fig 1: Disconnecting Speed Control Actuator Electrical Connector
    G03950126Courtesy of FORD MOTOR CO.
  3. Remove the speed control actuator bolts and position the actuator aside.
    Fig 2: Removing Speed Control Actuator Bolts
    G03950127Courtesy of FORD MOTOR CO.
  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 3: Disconnecting Heater Hose Bracket Pin-Type Retainer From Cowl
    G03950128Courtesy 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 4: Disconnecting Electrical Connectors And Twisting To Remove Switches
    G03950096Courtesy of FORD MOTOR CO.
  10. CAUTION: Install a new brake booster actuating rod pin.
    Fig 5: Disconnecting Brake Booster Actuating Rod From Brake Pedal
    G03950105Courtesy of FORD MOTOR CO.
  11. 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.
  12. Remove the brake booster retaining nuts.
    Fig 6: Removing Brake Booster Retaining Nuts
    G03950099Courtesy of FORD MOTOR CO.
  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 .