F 450 4WD Super Duty V10-6.8L VIN S (1999)
5. Check the ring gear back face runout, using the Dial Indicator with Bracketry. Record the reading.
^
The runout must not exceed the specification. If the runout exceeds the specification, perform the Differential Case Runout Check. Otherwise,
proceed as follows.
6. If the ring gear back face runout did not exceed the specifications, measure the ring gear and pinion backlash, using the Dial Indicator with
Bracketry. Record the reading.
^
The backlash must be within the specifications.
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Make corrections during assembly by changing the differential bearing selective shim thickness.
7. CAUTION: Prior to removal, note the stamped mating letters positioning on the bearing caps and the axle housing for proper
reassembly.
Remove the bearing caps.
