Rear Differential Front Case Oil Seal Replacement

Rear Differential Front Case Oil Seal Replacement

Special Tools Required

- Flange Holder 07XAB-0010101
- Oil Seal Driver D 070AD-RJC0140
- Driver Handle, 40 mm I.D. 07746-0030100
- Bearing Puller, commercially available
- Seal Remover Snap-on YA105, commercially available

1. Remove the rear differential Rear Differential Removal.

2. Pry up the stake on the locknut (A) from the groove of the input shaft, making sure that the tab completely clears the groove to prevent damaging the input shaft.






3. Install the companion flange holder on the companion flange.






4. Loosen the locknut (A) counterclockwise so that its tab (B) comes out from the groove (C) in the input shaft.






5. Tighten the locknut (A) until its tab (B) aligns with the groove (C).





6. Remove any dirt from inside of the groove in the input shaft, then loosen the locknut.

7. Remove the 22 mm locknut (A), the 22 mm spring washer (B), the 23 mm back-up ring (C), and the 23 mm O-ring (D).






8. Make marks (A) across the companion flange (B) and the input shaft (C).





9. Remove the companion flange using a commercially available puller (D).

10. Remove the 38 x 67 x 9 mm front case oil seal (A) using a commercially available seal remover.

NOTE: Remove the oil seal with care so you do not damage the inside surface of the front case oil seal surface.






11. Install a new 38 x 67 x 9 mm front case oil seal (A) using the oil seal driver D and the 40 mm inner driver handle.






12. Set the companion flange (A) onto the front case (B) by aligning the reference mark (C), then install the 36 mm socket (D), the 8 mm flange bolt (E), and the 8 mm nut (F) as shown.





13. Tighten the 8 mm nut, then install the companion flange.

14. Install a new 23 mm O-ring (A), the 23 mm back-up ring (B), the 22 mm spring washer (C), and a new 22 mm locknut (D).

NOTE: Apply ATF to the 23 mm O-ring.






15. Install the companion flange holder to the companion flange, then tighten the 22 mm locknut to the specified torque.










16. Stake the locknut tab (A) into the groove in the input shaft.





17. Install the rear differential Rear Differential Installation.