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Home >> Lincoln >> 2003 >> Navigator 4WD >> Repair and Diagnosis >> Steering >> Power Steering >> Steering System-General Information >> General Procedures >> Power Steering System Flushing

Power Steering System Flushing

Material 

MATERIAL SPECIFICATION

Item Specification
Motorcraft MERCON®Multi-Purpose (ATF) Transmission Fluid
XT-2-QDX
MERCON®
WARNING: Do not mix fluid types. Any mixture or any unapproved fluid can lead to seal deterioration and leaks. A leak can ultimately cause loss of fluid, which can result in a loss of power steering assist.
  1. Remove the ignition coil fuse to disable the engine from starting.
  2. Loosen the clamp, disconnect the power steering return hose and plug the reservoir inlet.
    Fig 1: Loosening Clamp And Disconnecting Power Steering Return Hose
    G03446656Courtesy of FORD MOTOR CO.
  3. Attach an extension hose between the power steering return hose and an empty container.
  4. Fill the power steering fluid reservoir.
    Fig 2: Filling Power Steering Fluid Reservoir
    G03446657Courtesy of FORD MOTOR CO.
  5. Raise the front wheels off the ground. For additional information, refer to JACKING & LIFTING .
  6. CAUTION: Do not operate the starter motor for more than 10 seconds at a time. Damage to the starter motor can result.
  7. Turn the steering wheel from stop to stop while cranking the engine until the fluid exiting the extension hose is clean.
  8. Disconnect the extension hose from the power steering return hose and attach the power steering return hose to the fluid reservoir.
    Fig 3: Attaching Power Steering Return Hose To Fluid Reservoir
    G03446658Courtesy of FORD MOTOR CO.
  9. NOTE: Do not overfill the power steering fluid reservoir.
    Fig 4: Filling Power Steering Fluid Reservoir
    G03446659Courtesy of FORD MOTOR CO.
  10. Fill the power steering fluid reservoir.
  11. Install the ignition coil fuse.
  12. CAUTION: Do not hold the steering wheel against the stops for more than three to five seconds at a time. Damage to the power steering pump will occur.
  13. Start the engine and turn the steering wheel from stop to stop.
  14. NOTE: If power steering is noisy and accompanied by aerated fluid, it will be necessary to purge the power steering system. For additional information, refer to POWER STEERING SYSTEM PURGING .
  15. Check the power steering fluid level.
  16. Clear diagnostic trouble codes (DTCs). For additional information, refer to SELF-DIAGNOSTICS - CNG, FLEX-FUEL & GASOLINE .