F 250 4WD Super Duty V8-5.4L (2009)
5. Using the Flange Remover, remove the flange.
6. Using the Slide Hammer with the Torque Converter Oil Seal Remover, remove the rear output seal.
7. Inspect the flange seal surface for wear or damage. Install a new flange, if necessary.
Vehicles with a slip yoke
8. Remove the driveshaft.
9. Using a suitable tool, remove the rear output seal.
10. Inspect the slip yoke seal surface for wear or damage. Install a new yoke, if necessary.
Installation
Vehicles equipped with a flange
1. Using the Output Shaft Oil Seal Installer and the Handle, install a new rear output seal.
2. Using the Drive Pinion Flange Holding Fixture to prevent the flange from turning, install the rear flange and a new rear output flange nut.
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Tighten to 251 Nm (186 lb-ft).