F 550 2WD Super Duty V10-6.8L VIN S (2000)
Make sure the cups are properly seated in their bores.
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If a feeler gauge of the specification shown in the illustration can be inserted between a cup and the bottom of its bore at any point around the
cup, the cup is not properly seated.
6. Note: Apply only a light oil film on the pinion bearings before assembling the tool.
Assemble and position the special tools.
7. Note: This step duplicates final pinion bearing preload.