E 350 V8-4.6L SOHC VIN W (2005)
Companion Flange: Testing and Inspection
Companion Flange Runout Check-Circular
CAUTION: Pinion bearing preload must be reset if the pinion nut has been loosened or removed for pinion flange reindexing or installation.
1. Raise the vehicle on a twin-post hoist that supports the rear axle.
2. Remove the driveshaft.
3. Check the pinion flange for damage.
4. Position the Drive Pinion Flange Runout Gauge on the pinion flange.
5. Position the Companion Flange Plate onto the Drive Pinion Flange Runout Gauge.