F 150 4WD Pickup V8-281 4.6L VIN W EFI (1997)
25. Position the differential case.
(1) Install (A) Master Bearing (LH) and (B) Master Bearing (RH) on the (C) differential case.
(2) Position the differential case in the front axle housing with the three missing bolts positioned down.
26. Position (A) Dial Indicator Bracketry and (B) Dial Indicator.
27. Push and rock the ring gear into mesh with the pinion gear (zero backlash) and set Dial Indicator at zero.
28. Move the ring gear away from the pinion gear as far as possible and record the reading on the drive Pinion Bearing Adjustment Shim Selection
Procedure Worksheet Line B.