Econoline E550 V10-6.8L VIN S (2003)
11. Position the special tool.
1
Rotate the differential case to verify that the differential bearings have seated correctly.
2
Position the special tool.
12. Measure and note the differential case runout.
^
If the runout does not exceed the specification, install a new differential ring gear and pinion.
^
If the runout exceeds the specification, the differential ring gear is true and the concern is due to either differential case/differential bearing
damage. Proceed as follows.
13. Using the special tools, remove the differential bearings.
14. Using the special tool, install the new differential bearings.