Econoline E350 1 Ton V8-5.4L Prop SOHC VIN Z (1998)
4. Install the Forcing Nut and Screw into the differential case. Guide the Forcing Screw into the step plate.
5. Tighten the forcing screw to move the differential side gears away from the differential pinion gears and relieve the normal loaded condition.
CAUTION: Do not overtighten the forcing screw. Overtightening the forcing screw can damage the rear axle disc and plate kit.
6. Using a piece of 0.762 mm (0.030 inch) thick shim or gauge stock, push out the differential pinion thrust washers located behind the differential
pinion gears.
