F 150 Super Crew 2WD V8-4.6L SOHC VIN 6 (2003)
14. 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.
15. Install the bearing caps and bearing cap bolts.
16. Using the special tool, recheck the backlash.
17. Install the axle shafts.
18. Fill the rear axle housing with 2.37 liters (5.5 pints) with the specified lubricant.