Explorer 2WD V6-245 4.0L SOHC VIN E EFI (1997)
Companion Flange: Testing and Inspection
WARNING: THE ELECTRICAL POWER TO THE AIR SUSPENSION SYSTEM MUST BE SHUT OFF PRIOR TO HOISTING,
JACKING OR TOWING AN AIR SUSPENSION VEHICLE. THIS CAN BE ACCOMPLISHED BY TURNING OFF THE AIR SUSPENSION
SWITCH LOCATED IN THE REAR JACK STORAGE AREA. FAILURE TO DO SO MAY RESULT IN UNEXPECTED INFLATION OR
DEFLATION OF THE AIR SPRINGS WHICH MAY RESULT IN SHIFTING OF THE VEHICLE DURING THESE OPERATIONS.
CAUTION: This operation disturbs the pinion bearing preload. Pinion bearing preload must be reset if the pinion nut has been loosened or removed for
companion flange reindexing or replacement.
1. Raise the vehicle on a twin-post hoist that supports the vehicle.
2. Remove the driveshaft.
3. Check the companion flange for damage.
4. Position Companion Flange Runout Gauge on the companion flange.
5. Install Clamp Plate on Companion Flange Runout Gauge.
