F 250 2WD Pickup V8-5.4L CNG VIN M (1999)
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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Use a shim driver to ensure the differential bearing shims are fully seated and the assembly turns freely.
16. Install the bearing caps and bearing cap bolts.
17. Use the Dial Indicator with Bracketry to verify the backlash.
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The specification shown is the full allowable range.
18. Install the axle shafts.
19. Install the differential housing cover, and refill the rear axle with specified lubricant.
