Air Purge With Vacuum External Source Procedure

1. Tightly insert the rubber stopper of the air evacuator assembly into pump reservoir.
2. Reinstall Fuse 10 used to disable ignition and start vehicle.
3. Apply 20-25 in-Hg (68-85 kPa) maximum vacuum for minimum of three minutes at idle; maintain maximum vacuum with vacuum source.
4. Release vacuum and remove vacuum source.
5. Add fluid to full warm or reservoir center mark.
6. Reinstall vacuum source and apply 20-25 in-Hg (68-85 kPa) vacuum.
7. NOTE: Do not hold steering wheel on stops.

Cycle steering wheel from lock to lock every 30 seconds for approximately 5 minutes.
8. Shut engine off, release vacuum and remove vacuum source.
9. Add Motorcraft MERCON Multi-Purpose (ATF) Transmission Fluid if necessary and install dipstick or reservoir cap.
10. NOTE: Do not hold steering wheel on stops.

Start engine and cycle steering wheel from lock to lock every 30 seconds for approximately 5 minutes.
11. . Check for oil leaks at all connections.
12. . In severe cases it may be necessary to repeat air purge with vacuum source Procedure.