Econoline E350 1 Ton V8-5.4L SOHC VIN L (1999)
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Use Motorcraft Synthetic Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A.
2. NOTE: Disregard the scribe marks if a new pinion flange is being installed.
Align the pinion flange with the drive pinion shaft.
3. With the drive pinion in place in the rear axle housing, install the pinion flange using the special tool.
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.
Using the special tool to hold the pinion flange, tighten the pinion nut.
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Rotate the pinion occasionally to make sure the cone and roller bearings are seating correctly
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Install a Nm (inch-pound) torque wrench on the pinion nut.
