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HOMESERVICE MANUALSFORD2010FOCUS S, STANDARDREPAIR AND DIAGNOSISSTEERINGPOWER STEERINGSTEERING SYSTEMGENERAL PROCEDURESPOWER STEERING SYSTEM PURGINGMATERIAL
2010 Ford Focus S, Standard

Power Steering System Purging: Material

2010 Ford Focus S, StandardSECTION Material
MATERIAL SPECIFICATIONS CHART

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.
  1. 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.

    Remove the power steering reservoir cap. Check the fluid.

  2. Raise the front wheels off the floor. Refer to the appropriate Service Information Procedure.
  3. Tightly insert the Power Steering Evacuation Cap into the reservoir and connect the Vacuum Pump Kit.
    Fig 1: Applying Vacuum To Power Steering Evacuation Cap
    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.

    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.

    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: Applying Vacuum To Power Steering Evacuation Cap
    G06072933Courtesy 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.

    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.

    Fill the reservoir as needed with the specified fluid and install the reservoir cap.

  16. Visually inspect the power steering system for leaks.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
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