Econoline E350 1 Ton V8-5.4L Prop SOHC VIN Z (1998)
Pinion Flange: Testing and Inspection
CAUTION: 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 rear axle.
2. Remove the driveshaft.
3. Check the companion flange for damage.
4. Position the Companion Flange Runout Gauge on the companion flange.
5. Position the Clamp Plate onto the Companion Flange Runout Gauge.
6. Align the holes on the clamp plate with the holes in the companion flange and install the bolts. Snug the bolts evenly.
