Econoline E450 V10-6.8L VIN S (1999)
1. NOTE: The rear wheels and brake drums must be removed to prevent brake drag during drive pinion bearing preload adjustment.
Remove the rear brake drums.
2. Mark the driveshaft flange and pinion flange for correct alignment during installation.
3. Remove the four bolts, and disconnect the driveshaft. Position the driveshaft out of the way.
4. Install a torque wrench on the pinion nut and record the torque required to maintain rotation of the pinion through several revolutions.
5. CAUTION: After removal of the pinion nut, discard it. A new nut must be used for installation.
Using the special tool, hold the pinion flange, remove the pinion nut.
