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Power Steering System Flushing: Material

MATERIAL ITEM SPECIFICATION

Item Specification
Motorcraft MERCON® Multi-Purpose (ATF) Transmission Fluid XT-2-QDX MERCON®
WARNING: Do not mix oil types. Any mixture or any unapproved oil could lead to seal deterioration and leaks. A leak could ultimately cause loss of fluid, which could result in a power steering assist.
  1. Remove the fuse pump relay located in the battery junction box to disable the vehicle from starting.
  2. Disconnect the power steering return hose.
    1. Compress and move the hose clamp.
    2. Disconnect the power steering return hose and plug the fitting into the reservoir.
    Fig 1: Disconnecting Power Steering Return Hose
    G03954618Courtesy of FORD MOTOR CO.
  3. Attach an extension hose between the power steering hose and an empty container.
  4. Raise the front wheels off the floor. For additional information, refer to JACKING & LIFTING .
  5. Fill the power steering reservoir.
    Fig 2: Identifying Power Steering Reservoir
    G03954619Courtesy of FORD MOTOR CO.
    6. CAUTION: Do not operate the starter motor for more than 10 seconds at a time. Damage to the starter motor could result.
    Fig 3: Turning Steering Wheel
    G03954620Courtesy of FORD MOTOR CO.
  6. Turn the steering wheel from stop-to-stop while cranking the engine. Refill the power steering pump as necessary until the fluid exiting the extension hose is clear.
  7. Lower the vehicle.
  8. Remove the extension hose and connect the power steering return hose to the power steering pump reservoir.
    1. Remove the plug and connect the power steering return hose.
    2. Compress and move the clamp into place.
    Fig 4: Connecting Power Steering Return Hose To Power Steering Pump Reservoir
    G03954621Courtesy of FORD MOTOR CO.
    9. CAUTION: Do not overfill the power steering fluid reservoir.
    Fig 5: Identifying Power Steering Reservoir
    G03954619Courtesy of FORD MOTOR CO.
  9. Fill the power steering fluid reservoir to the appropriate level.
  10. Install the fuel pump relay.
    11. CAUTION: Do not hold at the stop for more than five seconds; damage to the pump can occur.
    Fig 6: Turning Steering Wheel
    G03954620Courtesy of FORD MOTOR CO.
  11. Start the engine and turn the steering wheel from stop-to-stop.
    12. NOTE: If power steering is noisy and accompanied by evidence of aerated fluid, it will be necessary to purge the power steering system.
  12. Check the power steering fluid level.
  13. Clear the diagnostic trouble codes (DTCs). For additional information, See INTRODUCTION - GASOLINE .
    • Run the vehicle and check the system for leaks.
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