Operation CHARM: Car repair manuals for everyone.

Inflating and Deflating the Air Suspension System

Inflating and Deflating the Air Suspension System

1. Turn ignition to the RUN position.
2. Connect NGS Tester to the vehicle.
3. Select 1997 4.6L/5.4L Expedition 4WAS module.
4. Select "Air suspension control mode" under "Active Command Modes" menu.
- Select "VENT FRNT" to deflate front down.
- Select "LIFT FRNT" to inflate front up.
- Select "VENT REAR" to deflate rear down.
- Select "LIFT REAR" to inflate rear up.