F 250 4WD Pickup V8-5.4L SOHC VIN L (1999)
2. NOTE: Disregard the scribe marks if a new rear axle pinion flange is being installed.
Align the rear axle pinion flange with the drive pinion shaft.
3. With the drive pinion in place in the axle housing, install the rear axle pinion flange using the Companion Flange Replacer.
4. Position the new pinion nut.
5. 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 a suitable companion flange holding tool to hold the rear axle pinion flange while tightening the pinion nut.
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Tighten the pinion nut, rotating the pinion occasionally to make sure the cone and roller bearings are seating properly. Take frequent cone and
roller bearing torque preload readings until the original recorded preload reading is obtained by rotating the pinion with a Nm (pound-inch)
torque wrench.
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If the original recorded preload is lower than specifications, tighten to the appropriate specification for used bearings. If the preload is higher
