Section 11-02: Steering System, Power
1993 Mustang Workshop Manual
CLEANING AND INSPECTION

Steering Pump, Power—Flushing

If dirt is found in the power steering gear, flush the pump as follows:

  1. Make sure all other hoses are connected, then disconnect the pressure line at the gear.
  1. Place the line in a container.
  1. Fill the reservoir with Premium Power Steering Fluid E6AZ-19582-AA (ESW-M2C33-F) or equivalent.
  1. Disconnect the ignition coil wire.
  1. While adding approximately 1.9 liters (0.5 gallon) of fluid, turn ignition to the ON position, and crank the engine with the starter. As soon as all fluid has been added, turn the ignition to the OFF position.
  1. Attach the pressure hose at the gear.
  1. Check the fluid level.
  1. Crank the engine with the starter and add fluid until the level remains constant.
  1. Lower the vehicle and connect the ignition coil wire.
  1. Start the engine and turn the steering wheel from lock-to-lock to expel any air trapped in the system. This will restore normal steering action.