F 350 2WD Super Duty V10-6.8L VIN S (1999)
17. CAUTION: The Companion Flange Replacer must be used due to tight spline fit.
With the drive pinion in place in the axle housing, install the rear axle companion flange using the Companion Flange Replacer.
18. Position the new pinion nut.
19. CAUTION: Under no circumstances is the pinion nut to be backed off to reduce preloads. If reduced preload is required, a new
collapsible spacer and pinion nut must be installed.
Use the Flange Holder to hold the rear axle companion flange while tightening the pinion nut.
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Tighten the pinion nut until the desired rotational torque is reached.
20. Install the differential case.
