F 250 4WD Super Duty V10-6.8L VIN S (2001)
10. Set the backlash at zero.
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NOTE: The adjusting ring tooth must always align so that installation of the adjusting ring lock is possible.
Loosen the adjusting ring on the tooth side of the differential ring gear one tooth and tighten the opposite adjusting ring one tooth. Repeat this
process until backlash is at zero.
11. Set the backlash and the bearing preload to specifications.
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With a new matched set installed, set the backlash to the specification etched in the differential ring gear.
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With the original matched set installed, set the backlash to the specification recorded prior to disassembly.
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NOTE: The adjusting ring tooth must always align so that installation of the adjusting ring lock is possible.
Tighten the adjusting ring on the tooth side of the differential ring gear until backlash is within specifications.
12. Check the differential ring gear and pinion backlash in four equally spaced positions around the differential ring gear.
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The acceptable backlash tolerance is ± 0.0508 mm (0.002 inch) from the backlash etched in the differential ring gear.
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If the backlash tolerance varies more than 0.080 mm (0.003 inch) between the four positions, remove the differential and determine the cause.
