Explorer 4WD V6-4.0L VIN E (1999)
15. Position the pinion gear in the differential housing.
16. CAUTION: Never use a metal hammer on the pinion flange or install the flange with power tools. If necessary, use a plastic hammer to tap on a
tight fitting flange.
Align the index marks and install the pinion flange.
17. Install the new nut hand-tight.
18. CAUTION: Do not loosen the nut to reduce preload. Install a new collapsible spacer and nut if preload reduction is necessary.
Use the special tool to hold the pinion flange while tightening the nut to set the preload.
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Rotate the pinion occasionally to ensure the differential pinion bearings are seating correctly. Take frequent differential pinion bearing preload
