Expedition 4WD V8-4.6L SOHC VIN W (1999)
18. Remove the ring gear.
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Remove the ten bolts.
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Use a drift punch to separate the ring gear from the differential case.
19. Install the differential case in the housing.
1
Position the differential case.
2
Install the bearing caps.
3
Install the bolts.
4
Rotate the differential case to make sure the bearings have seated correctly.
20. Install the special tool.
21. Rotate the differential case and check the differential case runout.
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If the runout does not exceed the specification, install a new ring gear and pinion. If runout exceeds the specification, the ring gear is true and
the condition is due to differential case/differential bearing damage. Inspect the differential bearings and the differential case. Always install
new differential bearings when installing a new differential case.