F 350 4WD Super Duty V8-6.0L DSL Turbo VIN P (2004)
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To increase the preload, install a thinner spacer. To decrease the preload, install a thicker spacer.
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The pinion bearing preload spacers are available in sizes from 7.26 to 8.00 mm (0.286 to 0.315 inch).
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Always measure the new spacer before installing it.
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On a flat surface, sand the next thicker size spacer with emery cloth to the required thickness to obtain a closer adjustment. Thoroughly wash
the spacer to remove the emery cuttings before installation.
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A 0.0254 mm (0.001 inch) change in the spacer thickness will change the torque rate approximately 3.3894 Nm (30 inch lbs.).
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Repeat Measuring pinion bearing preload torque and Pinion bearing preload adjustment in this procedure until the rotational torque is within
specifications.
Final assembly
8. Using a suitable torque multiplier, remove the hex nut.
9. CAUTION: Hammering on the pinion flange will close in the bearing bores and misalign the flange lugs. This will result in premature failure of
the journal needle bearings. Serious damage will also occur internally to the differential ring gear and pinion or pinion bearings by hammering on
external parts. Remove and install the pinion flange using only the procedures.
Using the special tool, remove the pinion flange.
10. Using the special tool, install the pinion seal.
A rotational torque of 1.6947 - 5.0841 Nm (15 - 45 inch lbs.) is acceptable with the pinion seal installed.
11. Install the pinion flange.
