F 250 4WD Pickup V8-5.4L SOHC VIN L (1999)
4. Install a torque wrench on the pinion nut, and record the torque required to maintain rotation of the pinion through several revolutions.
5. CAUTION: After removal of the pinion nut, discard it. A new nut must be used for installation.
Use a Companion Flange Holding Tool to hold the rear axle pinion flange while removing the pinion nut.
6. Mark the driveshaft rear axle pinion flange in relation to the drive pinion stem to ensure proper alignment during installation.
7. Use the 2-Jaw Puller for Differential Case Bearings to remove the rear axle pinion flange.
Installation
1. Lubricate the rear axle pinion flange splines.
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Use Motorcraft Synthetic Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A.
