F 250 4WD Super Duty V8-5.4L SOHC VIN L (1999)
4. Apply maximum vacuum and maintain it for a minimum of three minutes with the engine speed set at idle.
5. Release the vacuum and remove the vacuum pump.
6. CAUTION: Do not overfill the reservoir.
Fill the reservoir.
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Use Motorcraft MERCON(R) Multi-Purpose ATF XT-2-QDX or MERCON(R) equivalent.
7. Reinstall the Vacuum Pump. Apply and maintain maximum vacuum.