Expedition 4WD V8-4.6L SOHC VIN 6 (1997)
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.
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.
10. Add fluid if necessary. Install the fluid reservoir cap.
11. Start the engine and 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.
12. Check for oil leaks at all connections. If the power steering fluid still shows signs of aeration, repeat this procedure.
