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Power Steering System Purging

SPECIAL TOOLS

G06256263
 Evacuation Cap, Power Steering
211-265
G06256264
 Vacuum Pump Kit
416-D002 (D95L-7559-A) or equivalent
MATERIAL SPECIFICATIONS

Item Specification
MERCON® V Automatic Transmission Fluid
XT-5-QM (or XT-5-QMC) (US); CXT-5-LM12 (Canada)		 MERCON® V
NOTE: If the air is not purged from the power steering system correctly, premature power steering pump failure may result. The condition may occur on pre-delivery vehicles with evidence of aerated fluid or on vehicles that have had steering component repairs.
    NOTE: A whine heard from the power steering pump can be caused by air in the system. The power steering purge procedure must be carried out prior to any component repair for which power steering noise complaints are accompanied by evidence of aerated fluid.
  1. Remove the power steering reservoir cap. Check the fluid.
  2. Raise the front wheels off the floor. Refer to the JACKING & LIFTING for the procedure.
  3. Tightly insert the Power Steering Evacuation Cap into the reservoir and connect the Vacuum Pump Kit.
    Fig 1: Connecting Vacuum Pump Kit And Power Steering Evacuation Cap Onto Reservoir
    G06125950Courtesy of FORD MOTOR CO.
  4. Start the engine.
  5. Using the Vacuum Pump Kit, apply vacuum and maintain the maximum vacuum of 68-85 kPa (20-25 in-Hg).
    • If the Vacuum Pump Kit does not maintain vacuum, check the power steering system for leaks before proceeding. For additional information, refer to POWER STEERING FLUID LEAK TEST  .
  6. If equipped with Hydro-Boost®, apply the brake pedal 4 times.
    7. NOTE: Do not hold the steering wheel against the stops for an extended amount of time. Damage to the power steering pump may occur.
  7. Cycle the steering wheel fully from stop-to-stop 10 times.
  8. Stop the engine.
  9. Release the vacuum and remove the Vacuum Pump Kit and the Power Steering Evacuation Cap.
    10. NOTE: Do not overfill the reservoir.
  10. Fill the reservoir as needed with the specified fluid.
  11. Start the engine.
  12. Install the Power Steering Evacuation Cap and the Vacuum Pump Kit. Apply and maintain the maximum vacuum of 68-85 kPa (20-25 in-Hg).
    Fig 2: Connecting Vacuum Pump Kit And Power Steering Evacuation Cap Onto Reservoir
    G06125950Courtesy of FORD MOTOR CO.
    13. NOTE: Do not hold the steering wheel against the stops for an extended amount of time. Damage to the power steering pump may occur.
  13. Cycle the steering wheel fully from stop-to-stop 10 times.
  14. Stop the engine, release the vacuum and remove the Vacuum Pump Kit and the Power Steering Evacuation Cap.
    15. NOTE: Do not overfill the reservoir.
  15. Fill the reservoir as needed with the specified fluid and install the reservoir cap.
  16. Visually inspect the power steering system for leaks.
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