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Home >> Ford >> 2003 >> Mustang Base, 2D Convertible, Standard >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Power Brake Actuation -- Brake Booster >> General Procedures >> Hydro-Boost Bleeding

Hydro-Boost Bleeding

    NOTE: The Hydro-Boost power brake booster (2B560) is generally self-bleeding, and the following procedure will normally bleed the air from the power brake booster. Normal operation of the vehicle will further remove any additional trapped air.
  1. Fill the power steering oil reservoir (3A697) with MERCON® Multi-Purpose ATF XT-2-QDX or MERCON® equivalent.
  2. Remove the powertrain control module (PCM) fuse to prevent the engine from starting.
    Fig 1: Identifying Powertrain Control Module Fuse
    G01623050Courtesy of FORD MOTOR CO.
  3. Crank the engine for several seconds.
  4. Check the fluid level in the power steering oil reservoir and add if necessary. Install the powertrain control module (PCM) fuse.
  5. Start the engine.
  6. With the engine running, turn the steering wheel (3600) from stop-to-stop twice. Turn the engine off.
  7. Depress the brake pedal (2455) several times to discharge the accumulator.
  8. Repeat Steps 5 and 6.
  9. If foaming occurs, stop the engine and allow the foam to dissipate.
  10. Repeat Steps 5 and 6 as required, until all the air is removed from the system (when the foaming stops).
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