F 450 4WD Super Duty V8-6.4L DSL Turbo (2008)
4. Using the Drive Pinion Flange Holding Fixture to hold the pinion flange, remove the pinion nut.
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Discard the pinion nut.
5. Mark the pinion flange in relation to the drive pinion stem to make sure alignment is correct during installation.
6. Using the 2 Jaw Puller, remove the pinion flange.
7. Force up on the metal flange of the rear axle drive pinion seal. Install gripping pliers to the seal flange and strike with a hammer until the rear axle
drive pinion seal is removed.
Installation
1. Lubricate the new pinion seal with clean long-life grease.
2. NOTICE: If the rear axle drive pinion seal becomes misaligned during installation, remove it and install a new seal. Failure to install a
new seal will result in a fluid leak and possible component damage.
Using the Drive Pinion Oil Seal Installer, install a new rear axle drive pinion seal.
3. Lubricate the pinion flange splines with clean synthetic rear axle lubricant.
4. NOTE: Disregard the scribe marks if a new pinion flange is being installed.