Econoline E350 1 Ton V8-5.4L CNG VIN M (1999)
12. Install the bearing caps and bearing cap bolts.
13. Rotate the differential several times to make sure the differential bearings are correctly seated.
14. Using the special tool, recheck the backlash.
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If backlash is within specification, go to Step 15. If not, repeat Step 9.
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The specification shown in the illustration is the total allowable range. For the preferred range, refer to the Specifications.
15. Remove the bearing caps and bolts.
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To establish differential bearing preload, increase both left and right shim sizes by the specification shown in the illustration.
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Using the special tool, make sure the differential bearing shims are fully seated and the assembly turns freely.
