F 450 4WD Super Duty V10-6.8L (2009)
11. Remove the front driveshaft.
12. Clean grease deposits, dirt and rust from the following:
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The driveshaft yoke areas.
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All driveshaft components.
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Wipe the bearing and rubber insulator of the driveshaft center bearing. Do not immerse in solvent.
13. Inspect the following:
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The U-joint slip yoke boot for rips or holes. Install a new boot if necessary.
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The driveshaft center bearing support for wear or rough action. If roughness or wear is evident, install a new driveshaft center bearing support.
Installation
1. Align the index marks and connect the front driveshaft to the transmission. Install the 4 new bolts.
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Hand-tighten only; do not tighten at this time.
2. Position the center bearing support using the index marks made during removal and install the 2 bolts.
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Hand-tighten only; do not tighten at this time.
3. Tighten the 4 driveshaft-to-transmission flange bolts.
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Tighten to 100 Nm (74 lb-ft).
4. NOTICE: Make sure that the center bearing is correctly aligned when tightening fasteners or bearing failure and/or NVH issues may
occur.
Tighten the 2 driveshaft center bearing support bolts.
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Tighten to 70 Nm (52 lb-ft).
5. Position the rear coupling shaft assembly using the index marks made during removal and install the 2 center support bearing bolts.
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Hand-tighten only; do not tighten at this time.