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Home >> Ford >> 2001 >> Excursion 7.3 F, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1809 (Power Brake Actuation - Brake Booster -- F250-F550 Super Duty) >> Removal And Installation >> Brake Booster - Hydro-Boost® >> Removal And Installation

Removal And Installation

WARNING: This page is about a different car, the 2007 Ford Pickup, 2007 Ford F550 Super Duty, 2007 Ford F450 Super Duty, and 2007 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
WARNING: The power brake booster should not be carried by the accumulator, nor should it ever be dropped on the accumulator. Check the snap ring on the accumulator for correct seating before the power brake booster is used. The accumulator contains high-pressure nitrogen gas and can be dangerous if mishandled. Failure to follow these instructions may result in personal injury.
WARNING: If the accumulator is to be disposed of, it must not be exposed to excessive heat. Before discarding the accumulator, drill a 1.6 mm (0.06 in) diameter hole in the end of the accumulator can to relieve the gas pressure. Always wear safety glasses when performing this operation. Failure to follow these instructions may result in personal injury.
  1. With the engine off, press the brake pedal several times to discharge the accumulator.
  2. Remove the primary battery. For additional information, refer to BATTERY, MOUNTING AND CABLES article.
  3. Remove the air cleaner housing. For additional information, refer to INTAKE AIR DISTRIBUTION AND FILTERING article.
  4. Disconnect the brake booster hydraulic tube fittings.
    • To install, tighten to 18 Nm (13 lb-ft).
  5. Compress the clamp and remove the booster hydraulic tube.
  6. Remove the brake master cylinder. For additional information, refer to HYDRAULIC BRAKE ACTUATION article.
  7. Remove the brake pedal cotter pin cover and the cotter pin.
  8. Position the brake pedal position (BPP) switch and the brake booster push rod off the brake pedal pin.
  9. Remove the 4 brake booster-to-brake pedal bracket nuts.
    • To install, tighten to 25 Nm (18 lb-ft).
  10. Remove the brake booster.
  11. To install, reverse the removal procedure.
    • Install new O-ring seals on the brake booster hydraulic hose fittings.
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