Rear Height Resetting Procedure

Rear Height Resetting Procedure

1. Turn Ignition key ON.
2. Connect NGS tester to the vehicle.
3. Select 1997 4.6L/5.4L Expedition 4WAS module.
4. Measure vehicle rear height (driver side) from the bottom of the frame to the rear jounce bumper bolt rear side of head base






5. By using NGS tester "active command modes" adjust rear height to 146.8 ± 2 mm by moving the rear of the vehicle down ("VENT_REAR") or by moving the rear of the vehicle up ("LIFT_REAR")
6. Monitor the right side of NGS screen rear height sensor voltage.
7. Loosen the ball stud nut on rear height sensor bracket on track bar and adjust by moving with height sensor up or down until the voltage is 2.61 ± 0.03 volts.
8. Tighten nut to specifications.