Input Shaft Disassemble

Special Tools 

J-22912-B  Gear, Bearing Remover

For equivalent regional tools, refer to Special Tools .

1. Courtesy of GENERAL MOTORS COMPANY

   Remove the gear unit. Refer to Transmission Disassemble .

2. Position the bearing to the J-22912-B  gear, bearing remover (2) to the right bearing.
3. Remove the input shaft right bearing (1) using a press.

4. Courtesy of GENERAL MOTORS COMPANY

   Position the 4th gear to the J-22912-B  gear, bearing remover (4).

5. Remove the 5th gear spacer (1), left bearing (2), and 4th gear (3) with the press.
6. Fig 1: Identifying 4th Gear Bearing

   Courtesy of GENERAL MOTORS COMPANY

   Remove the 4th gear bearing (1).

7. Remove the 4th gear synchronizer ring (2).
8. Remove the 3rd-4th synchronizer circlip (3).

9. Courtesy of GENERAL MOTORS COMPANY

   Position the 3rd gear to the J-22912-B  gear, bearing remover (3).

10. Remove the 3rd-4th synchronizer hub assembly (1) synchronizer ring and 3rd gear (2) with the press.

11. Courtesy of GENERAL MOTORS COMPANY

    Push the hub (1) from the 3rd-4th synchronizer hub assembly.

12. Remove the synchronizer sleeve (2) and key unit (3).

13. Courtesy of GENERAL MOTORS COMPANY

    Remove the input shaft 3rd gear bearing (1).