F 450 4WD Super Duty V10-6.8L (2009)
6. Using the Slide Hammer with the Torque Converter Oil Seal Remover, remove the front output seal.
7. Inspect the flange seal surface for wear or damage. Install a new flange, if necessary.
Installation
1. Using the Output Shaft Oil Seal Installer with the Handle, install a new front output seal.
2. Using the Drive Pinion Flange Holding Fixture to prevent the flange from turning, install the front flange and a new front driveshaft flange nut.
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Tighten to 223 Nm (164 lb-ft).
3. NOTE: Align the index marks made during removal.
Install the front driveshaft.