F 150 2WD Pickup V8-5.4L Prop SOHC VIN Z (1998)
4. Install a torque wrench on the pinion nut and record the torque required to maintain rotation of the pinion through several revolutions.
5. Use a companion flange holding tool to hold the rear axle companion flange while removing the pinion nut.
CAUTION: After removal of the pinion nut, discard it. A new nut must be used for installation.
6. Mark the driveshaft rear axle companion 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 companion flange.
INSTALLATION
1. Lubricate the rear axle companion flange splines.
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Use Motorcraft Synthetic Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A.
2. Align the rear axle companion flange with the drive pinion shaft.
NOTE: Disregard the scribe marks if a new rear axle companion flange is being installed.
