Econoline E450 V8-5.4L SOHC VIN L (1998)
6. Fill the reservoir.
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Use Motorcraft MERCON Multi-Purpose ATF XT-2-QDX or MERCON equivalent.
CAUTION: Do not overfill the reservoir.
7. Reinstall the vacuum pump. Apply and maintain maximum vacuum.
8. Cycle the steering wheel fully to the left and right every 30 seconds for approximately five minutes.
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
could occur.
9. Stop the engine, release the vacuum, and remove the vacuum pump.