F 150 4WD Pickup V8-5.4L CNG VIN M (2001)
12. WARNING: Keep fingers/hands away from pinion gears when rotating the differential case with the differential rotating tool.
NOTE: It will probably be necessary to loosen or tighten the forcing screw-to allow. the differential pinion gears and differential side gears to
rotate.
Insert the special tool into the pinion shaft bore, and turn the differential case. This will cause the differential pinion gears to engage the
differential side gears and "walk" into the differential case. Rotate the differential case until the pinion mating shaft holes are lined up exactly with
the holes in the differential pinion gears.
13. Loosen the forcing screw, and remove the step plate and nut from the side gear bores. Install a new differential pinion shaft in the differential case.
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Install the differential pinion shaft lock bolt finger-tight.
14. Install new differential bearings, if removed.
15. Check the torque required to rotate one differential side gear.
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Install the special tools with the 1/2-inch drive hole as shown.
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The initial break-away torque, if original clutch plates are used, must be within specification. The rotating torque required to keep the
