F 450 4WD Super Duty V8-7.3L DSL Turbo VIN F (2001)
Ring Gear and Pinion Backlash
1. Install the outboard spacers in the side from which they were removed.
2. Place the differential assembly with the special tool in the differential housing.
3. Install the special tools. Locate the tip of the Clutch Housing Gauge on a flat surface of one of the bolts.
4. NOTE: Repeat this step and the following step until the same reading appears on the indicator each time. This is the differential bearing shim
thickness necessary between the differential case and the differential bearing on the differential ring gear side of the differential case.
Force the differential case (differential ring gear) away from the drive pinion. With force still applied, set the indicator at 0.