F 150 2WD Pickup V8-4.6L SOHC VIN W (1998)
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16. With the drive pinion in place in the axle housing, install the rear axle companion flange using the Companion Flange Replacer.
17. Position the new pinion nut.
18. Use a suitable companion flange holding tool to hold the rear axle companion flange while tightening the pinion nut.
CAUTION: Under no circumstances is the pinion nut to be backed off to reduce preload. If reduced preload is required, a new collapsible
spacer and pinion nut must be installed.
19. Install the differential case.