Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
3. Use Motorcraft Synthetic Rear Axle Lubricant F1TZ-19580-B or equivalent meeting Ford specification WSL-M2C192-A to lubricate the
differential side gear thrust washer and the differential pinion gear and assemble.
4. Engage the differential pinion gear opposite the differential side gear.
5. Rotate the differential pinion gear to align with the differential pinion shaft bore.
6. Insert the differential pinion shaft.
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Align the hole in the differential pinion shaft with the hole in the differential case.
7. NOTE: If a new pinion shaft lock bolt is unavailable, coat the threads with Threadlock(R) and Sealer EOAZ-19554-AA or equivalent meeting
Ford specifications WSK-M2G315-A5 and ESE-M4G204-A2 prior to installation.