Front Drive Axle Inner Stub Shaft Bearing Replacement

Front Drive Axle inner Stub Shaft Bearing Replacement

- Tools Required
- J 29369-2 Bushing/Universal Remover
- J 4972-4 Output Shaft Needle Bearing Installer





1. Remove the 3 bolts from the bracket (1).
2. Remove the bracket (1).





3. Remove the drain plug (1).





4. Remove the fill plug (1) and drain the fluid.





5. Remove all bolts (2) from the side cover (1).
6. Use the pry point relief slots to remove the cover.





7. Remove the carrier assembly (1) from the housing.






Important: Perform this step only it the bearing needs to be replaced. Do not use the old bearing again.

8. Using J 29369-2 and a slide hammer, remove the stub shaft inner bearing (1) from carrier bore. OTC 8007 adaptors may be needed to assist in the removal.





9. Using J 4972-4 and a driver, install the axle shaft bearing (1) to the carrier until the bearing seats.






Important: Do not use motor-powered tools to clean surfaces.

10. Clean the carrier assembly housing sealing surface (1) with solvent and scrape it clean with a razor blade.





11. Clean the cover sealing surface (1) with solvent and scrape it clean with a razor blade.






Important: Grease the seal lips in order to protect the seal and to ease in assembly.

12. Install the carrier assembly (1) to the housing.






Important: Do not apply excess sealer. Excess sealer could cause premature failure.

13. Apply a 2-3 mm (0.8-0.12 inch) amount of sealer Saturn P/N 1052943 or equivalent to the housing (1).






Important: Grease the seal lips in order to protect the seal and to ease in assembly. Coat the bolt threads with sealant.

14. Install the side cover (1) and bolts (2 and 3) to the housing.
There is not a specific tightening sequence, but the bolts with dowel pins should be tightened first, and alternate the others from side to side.
- Tighten the side cover bolts to 37 Nm (27 ft. lbs.).
15. Install the drain plug. Apply sealant to the threads.
- Tighten the drain plug 24 Nm (18 ft. lbs.).
16. Fill the transfer case with fluid, after it is installed in the vehicle, to the bottom of the fill plug hole, or 540 m 1 (18.2 oz).
17. Install the fill plug. Apply sealant to the threads.
- Tighten the fill plug 15 Nm (11 ft. lbs.).