Center Bearing Replacement

Removal Procedure

^ Tools Required
- J 22912-01 Rear Pinion Bearing Remover
- J 42099 Center Bearing Installer





1. Remove the propeller shaft. Refer to Propeller Shaft Replacement - Two Piece.
2. Remove the propeller shaft slip yolk boot strap.
3. Slide the slip yoke boot back.





Important: Marking the propeller shaft must be performed to ensure correct spline alignment, as well as, retaining the production balance of the propeller shaft assembly.

4. Match-mark the halves of the propeller shaft near the slip joint.
5. Separate the propeller shaft halves.
6. Remove the slip yoke boot.





7. Remove the front propeller shaft bearing retaining ring (1) from the journal.





8. Remove the slinger (1).





9. Remove the bracket bolts (1) and washers (2).
10. Remove the bracket (3) from the insulator (4).





Important: During the next step, only tighten the J22912-01 enough so that the tool supports the inner race and does not clamp onto the journal.

11. Install the J 22912-01 on the shaft.
12. Support the J 22912-01 in a vice.
13. Drive the propeller shaft from the bearing using a deadblow hammer.
14. Remove the rear slinger.

Installation Procedure





1. Install the rear slinger.
2. Using J42099, install the bearing (1) onto the journal.





3. Install the bracket (3) to the insulator (4).

Notice: Refer to Fastener Notice in Service Precautions.

4. Install the bracket bolts (1) and washers (2).
^ Tighten the bolts to 22 Nm (16 ft. lbs.).





5. Install the slinger (1).





6. Install the retaining ring (1).





7. Install the slip yolk boot onto the propeller shaft.
8. Clean the slip yolk journal mating surfaces.
9. Lubricate the slip yolk journal splines with grease, GM P/N 12345740 or equivalent.





Important: When reassembling the propeller shaft halves, align both markings previously made as well as the blind spline of the journal. If the propeller shaft halves are aligned properly, they should join with little effort. Do not force the halves together.

10. Join the propeller shaft halves.





11. Install the slip yolk boot strap.
12. Install the propeller shaft. Refer to Propeller Shaft Replacement - Two Piece.