Navigator 4WD V8-5.4L DOHC VIN R (2001)
3. NOTE: Rotate the pinion gear occasionally to make sure the pinion bearings seat correctly.
Using the special tool, install the axle universal joint flange.
4. CAUTION: Do not loosen the pinion nut to reduce preload under any circumstance. If it is necessary to reduce preload, install a new drive pinion
collapsible spacer and pinion nut.
Install the special tool, and tighten the pinion nut. Refer to the torque specifications for used bearings.
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Rotate the pinion gear occasionally to make sure the pinion bearings are seating correctly.
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Take frequent pinion bearing torque preload readings by rotating the pinion gear with a Nm (inch/pound) torque wrench.
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If the preload recorded prior to disassembly is lower than the specification for used bearings, then tighten the pinion nut to the specification.
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If the preload recorded prior to disassembly is higher than the specification for used bearings, then tighten the pinion nut to the original reading
as recorded.
5. Align the index-marks then attach the front driveshaft.
