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Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis (Single Page) >> Brakes >> Mechanical - Hydraulic >> Power Brake Actuation >> Power Brake Actuation >> Removal And Installation >> Brake Booster >> Removal

Brake Booster: Removal

  1. Pump the brake pedal until the brake vacuum assistance is exhausted.
  2. Remove the auxiliary battery cover.
    • Release the 2 clips.
      GJ0013939
  3. If installed, remove the auxiliary battery.
  4. Detach the automatic transmission module bracket and position it to one side.
    • Remove the 2 bolts.
      GJ0012967
  5. Remove the auxiliary battery compartment side wall.
    • Release the four clips.
      GJ0013940
  6. Release the Air Conditioning (A/C) pipes.
    • Remove the retaining screw.
      GJ0013941
  7. Remove the auxiliary battery tray.
    • Remove the 3 bolts.
      GJ0013942
  8. Release the Anti-lock Brake System (ABS) module.
    • Remove the 3 nuts.
    • Release the brake tubes from the clip.
      GJ0013943
  9. Disconnect the low brake fluid warning indicator switch electrical connector.
    10. CAUTION: Brake fluid will damage paint finished surfaces. If spilled, immediately remove the fluid and clean the area with water.
  10. Position an absorbent cloth to collect fluid spillage.
  11. Disconnect the brake booster vacuum hose from the brake booster.
    GJ0013944
    12. CAUTION: Make sure that excessive force is not used. Failure to follow this instruction may result in damage to the vehicle.
    CAUTION: Make sure the wings and trim panels are covered and protected, failure to follow this instruction may result in damage to the vehicle.
    CAUTION: Make sure the brake pipes are not damaged when displacing the brake master cylinder and ABS module. Failure to follow this instruction may result in damage to the vehicle.
  12. Displace the brake master cylinder and ABS module as a complete assembly.
    • Remove the 2 nuts.
    • Discard the master cylinder seals.
      GJ0013945
  13. Remove the outer plenum base.
    • Remove the 3 nuts.
      GJ0013946
  14. Remove the driver side closing trim panel.
    • Release the clip.
    • Remove the 2 screws.
    • Disconnect the electrical connector.
      GJ0013763
    15. NOTE: The cover is shown removed for clarity.
  15. Remove the brake booster push rod clevis pin.
    • Remove the retaining clip.
      GJ0013947
  16. Remove the brake booster.
    • Remove the 4 nuts.
      GJ0013948
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