Navigator 4WD V8-5.4L DOHC VIN A (2000)
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.
Using a suitable flange holding tool to hold the pinion flange while removing the pinion nut.
6. Mark the driveshaft rear axle pinion flange in relation to the drive pinion stem to ensure correct alignment during installation.
7. Using the special tool, remove the pinion flange.
Installation
1. Lubricate the pinion flange splines.
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Use SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A.
