Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
Using pry bars and wood blocks, remove the differential case from the rear axle housing.
9. Remove the 10 ring gear bolts.
10. CAUTION: Care should be taken not to damage the ring bolt hole threads.
NOTE: The anti-lock speed sensor ring cannot be reused once removed.
Insert a punch in the bolt holes and drive off the ring gear and, if necessary, the anti-lock speed sensor ring.
11. Install the differential case.
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Position the differential case assembly, including the bearing clips and shims, in the rear axle housing. Install the differential bearing caps and
the differential bearing cap bolts.