Inner Tri-Pot Seal Replacement

Remove or Disconnect

Tools Required:
^ J8059 Snap Ring Pliers
^ J37910 Seal Clamp Tool

1. Retaining clamp protector from larger seal retaining clamp (9) (if so equipped).

2. Larger seal retaining clamp (9) from tri-pot joint using chisel, and discard.

Important
^ Do not cut through seal (10) and damage sealing surface of tri-pot outer housing (1) with chisel.

3. Small seal-retaining clamp (11) from axle shaft (12) with side cutter, and discard.

4. Seal (10) from tri-pot housing by separating (1) at large diameter and sliding seal away from joint along axle shaft.

5. Tri-pot housing (1) from spider (3) and shaft.





6. Spread spacer ring (8) with J 8059 and slide spacer ring and tri-pot spider (3) back on axle shaft as shown in the illustration.

7. Shaft retaining ring (2) from groove on axle shaft and slide spider assembly off of shaft.

Inspect
^ Tri-pot balls (6) and needle rollers (7) for damage and wear.

Important
^ Handle the tri-pot spider assembly with care. Tri-pot balls and needle rollers may separate from spider trunnions.

8. Remove spacer ring (8) and seal (10) from axle shaft.

9. Flush grease from tri-pot housing (1).

Inspect
^ Joint seal
^ Spider
^ Housing
^ Tri-pot balls
^ Needle rollers
For damage or wear

Install or Connect

1. Small seal-retaining clamp (11) on neck of seal (10). Do not crimp.

2. Slide seal (10) onto shaft (12) and position neck of seal in seal groove on axle shaft.





3. Crimp seal retaining clamp (11) with J 37910 to 137 Nm (100 lb ft) as shown in the illustration.

4. Spacer ring (8) on axle shaft and beyond second groove as shown.

5. Slide tripot spider assembly against spacer ring (8) on shaft.

Important
^ Be sure that counterbore face of tri-pot spider (3) faces end of shaft.

6. Install shaft retaining ring (2) in groove of axle shaft with J 8059.

7. Slide tri-pot spider (3) towards end of shaft and reseat spacer ring (8) in groove on shaft.

8. Place approximately half of grease provided in seal (10) and use remainder to pack tri-pot housing (1).

9. Position larger clamp (9) on seal (10).

10. Slide tri-pot housing (1) over tri-pot spider assembly on shaft.

11. Slide large diameter of seal (10), with larger clamp (9) in place, over outside of tri-pot housing (1) and locate seal lip in housing groove.





12. Position the tri-pot assembly at the proper vehicle dimension as shown in the illustration.

Important
^ Seal (10) must not be dimpled, stretched or out of shape in any way. If seal is not shaped correctly, carefully insert a thin, flat, blunt tool (no sharp edges) between large seal opening and housing (1) to let air escape. Shape seal properly by hand and remove tool.

13. Crimp seal retaining clamp (9) with J 37910 to 176 Nm (130 lb ft).

Important
^ Make sure that seal (10), housing (1) and large clamp (9) all remain in alignment while crimping.

14. Retaining clamp protector (if equipped) over larger seal retaining clamp (9) and snap into position.

Important
^ Due to possible road hazards, a retaining clamp protector (10) must be installed when inboard seal or clamp is serviced.