F 150 4WD Pickup V8-5.4L SOHC VIN 3 (1999)
31. Position the special tools.
32. Push and rock the ring gear into mesh with the pinion gear (zero backlash) and adjust the special tool to zero.
33. Move the ring gear away from the pinion gear as far as possible. Record the reading on the Differential Bearing Shim Selection Procedure
Worksheet, Line B, in this procedure.
34. Remove the special tools.