LEMON Manuals: Even more car manuals for everyone
Home >> Ford >> 2004 >> Econoline E250, Van Cargo Extended, 5.4 L >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Disc Brakes & Drum Brakes >> Bleeding Brake System >> Bleeding Hydro-Boost Unit >> Except E550

Except E550

  1. Fill power steering pump reservoir with MERCON® multipurpose automatic transmission fluid.
  2. Remove Powertrain Control Module (PCM) relay from battery junction box and crank engine for several seconds. See Fig 1.
  3. Check power steering oil reservoir, and add fluid if necessary. Install PCM fuse. Start engine. Turn wheels from lock-to-lock twice.
  4. Turn engine off. Depress brake pedal several times to discharge accumulator.
  5. Start engine, and turn wheels from lock-to-lock twice. If foaming occurs, stop engine, and allow foam to dissipate. Repeat lock-to-lock procedure until all air is removed from system.
Fig 1: Identifying PCM Relay
G00299488Courtesy of FORD MOTOR CO.
scientia non olet · About LEMON Manuals