F 350 4WD Super Duty V10-6.8L VIN Z Bi-Fuel (2001)
19. CAUTION: Under no circumstances is the pinion nut to be backed off to reduce preload. If reduced preload is required, a new collapsible spacer
and pinion nut must be installed.
Use the special tool to hold the pinion flange while tightening the pinion nut.
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Refer to the torque specification for new pinion bearings.
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Tighten the pinion nut until the desired rotational torque is reached.
20. Install the differential case.
