Expedition 2WD V8-281 4.6L SOHC (1998)
4. Apply maximum vacuum for a minimum of three minutes at idle. Maintain maximum vacuum with the source.
5. Release the vacuum and remove the vacuum source.
6. Add fluid to the center mark of the power steering fluid reservoir.
7. Reinstall the vacuum source and apply maximum vacuum.
8. Cycle the steering wheel from stop to stop every 30 seconds for approximately five minutes.
CAUTION: Do not hold the steering wheel in the far left or right position or damage to power steering may result.
9. Stop the engine, release the vacuum, and remove the vacuum source.