Drive Pinion Disassemble

^ Tool Required:
- J 42108 Pinion Seal Driver

1. Check the differential drive pinion gear inner and outer bearing preload.
2. Shake the differential drive pinion gear inner and outer bearing to check for differential drive pinion gear looseness if there is no preload reading. Defective bearings or a worn pinion flange could cause looseness.
3. The ring gear and the differential drive pinon gear may require replacement if the rear axle was operated for an extended period with very loose differential drive pinion gear bearings.
- Remove the differential drive pinion flange.





Important: Support the differential drive pinion gear as it is driven from the housing or place a piece of wood (3) for the differential drive pinion gear to drop onto upon removal.





4. Use a rubber faced deadblow hammer to drive the pinion gear (1) from the differential housing (2).
5. Remove the differential drive pinion gear bearing spacer (1) from the differential drive pinion gear (2).
6. Remove the differential pinion gear inner bearing from the differential drive pinion gear if replacing the bearing and/or replacing the differential drive pinion gear.