Published: 11-May-2011

2007.0 Range Rover Sport (LS), 206-07

Power Brake Actuation

Brake Booster (G434612)

REMOVAL AND INSTALLATION
  • 70.50.01
  • Servo assembly - renew
  • All Derivatives
  • 0.80
  • USED WITHINS
Removal
  1. Pump the brake pedal until the brake vacuum assistance is exhausted.
  2. E48702
    Remove the auxiliary battery cover.
      • Release the 2 clips.
  3. If installed, remove the auxiliary battery.
  4. E48704
    Remove the auxiliary battery compartment side wall.
      • Release the four clips.
  5. E63131
    Release the Air Conditioning (A/C) pipes.
      • Remove the retaining screw.
  6. E48705
    Remove the auxiliary battery tray.
      • Remove the 3 bolts.
  7. E118471
    Release the Anti-lock Brake System (ABS) module.
      • Remove the 3 nuts.
      • Release the brake tubes from the clip.
  8. Disconnect the low brake fluid warning indicator switch electrical connector.
  9. CAUTION:

    Brake fluid will damage paint finished surfaces. If spilled, immediately remove the fluid and clean the area with water.

    Position an absorbent cloth to collect fluid spillage.
  10. E118473
    Disconnect the brake booster vacuum hose from the brake booster.
  11. CAUTIONS:

    • Make sure that excessive force is not used. Failure to follow this instruction may result in damage to the vehicle.

    • Make sure the wings and trim panels are covered and protected, failure to follow this instruction may result in damage to the vehicle.

    E118357
    Displace the master cylinder.
      • Remove the 2 nuts.
  12. E118358
    Remove the outer plenum base.
      • Remove the 3 nuts.
  13. E47923
    Remove the driver side closing trim panel.
      • Release the clip.
      • Remove the 2 screws.
      • Disconnect the electrical connector.
  14. NOTE:

    The cover is shown removed for clarity.

    E47926
    Remove the brake booster push rod clevis pin.
      • Remove the retaining clip.
  15. E47929
    Remove the brake booster.
      • Remove the 4 nuts.
Installation
  1. Install the brake booster.
      • Tighten the nuts to 23 Nm (17 lb.ft).
  2. Install the brake booster push rod clevis pin.
      • Install the retaining clip.
  3. Install the closing trim panel.
      • Connect the electrical connector.
      • Secure the clip.
      • Tighten the screws.
  4. Connect the brake booster vacuum hose.
  5. Install the outer plenum base.
      • Carefully lift the anti-lock brake system modulator for access.
      • Install the 3 nuts.
  6. CAUTION:

    Make sure the master cylinder is correctly aligned. Failure to make sure the master cylinder is correctly aligned to the brake booster actuation rod may cause component damage or poor brake performance.

    Install the brake master cylinder.
      • Tighten the nuts to 26 Nm (19 lb.ft).
  7. Secure the anti-lock brake system modulator.
      • Install the 3 nuts.
      • Secure the brake tubes to the clip.
  8. Connect the low brake fluid warning indicator switch electrical connector.
  9. Install the auxiliary battery tray.
      • Install the 3 bolts.
  10. Install the auxiliary battery compartment side wall.
      • Secure with the four retaining clips.
  11. Secure the A/C pipes.
      • Install the retaining screw.
  12. If installed, install the auxiliary battery.
  13. Start engine and check the brake booster operation.