F 350 4WD Super Duty V10-6.8L VIN S (2004)
12. Rotate the differential several times to make sure the differential bearings are properly seated.
13. Using the special tool, recheck the backlash.
If backlash is within specification, go to Backlash within specification in this procedure. If not, repeat Step 8.
The specification shown is the full allowable range. For the preferred range, refer to Specifications.
Backlash within specification
14. Remove the bearing caps and bolts.
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To establish differential bearing preload, increase both left and right shim sizes by the specification shown in the illustration.
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Using the special tool, ensure the differential bearing shims are fully seated and the assembly turns freely.
15. Install the bearing caps and bearing cap bolts.
