F 450 2WD Super Duty V10-6.8L VIN S (1999)
5. Install the pinion hex nut.
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Tighten the nut using a suitable torque multiplier.
6. Measure the torque to rotate.
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Take torque measurements every fourth revolution.
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Proceed to Step 7 of this procedure if the bearing preload does not fall within specifications. Proceed to Step 8 of this procedure if the bearing
preload falls within the specifications.