F 250 4WD Pickup V6-4.2L VIN 2 (1998)
60. With the actuator motor shaft fully extended and the vacuum port plugged, engage the shift lever.
61. Seat the actuator motor and install the snap ring.
62. Seat the dust boot in the slot in the actuator housing.
NOTE: Replace the vacuum motor if any vacuum leakage is observed. With the lever moved outboard, the axle is engaged and the axles will turn
opposite of each other. With the lever moved inboard, the axle is disengaged and the axles will turn freely of each other.
63. Verify the vacuum motor operation (engage).
^
Use a vacuum pump to apply vacuum to the outer vacuum port to move the shift lever outboard. Rotate one axle shaft to verify engagement.
