GM Service Manual Online
For 1990-2009 cars only

Tools Required

DT-47723 Output Shaft Bearing Installer


    Object Number: 1955517  Size: SH
  1. Using a hydraulic press and a suitable tool, install the counter gear front bearing (2) on the input shaft  (1).

  2. Object Number: 1954224  Size: SH

    Important: The retaining ring is a selected fit. Always install a NEW snap ring.

  3. Select the maximum thickness snap ring (1) that will fit in the groove. Refer to Input Shaft Bearing Retaining Ring Specifications.
  4. Install a NEW snap ring (1) and ensure that the radial bearing rotates smoothly.

  5. Object Number: 1954222  Size: SH
  6. Apply an approved lubricant and install the 4th gear bearing (1) to the input shaft.

  7. Object Number: 1955519  Size: SH
  8. Apply an approved lubricant and install the 4th gear (1) input shaft.

  9. Object Number: 1955572  Size: SH
  10. Apply an approved lubricant and install the following components:
  11. • the blocking ring (6)
    • the 3rd/4th gear synchronizer hub (5) including the spring (3), detent ball (2) and insert (1)
    • the 3rd/4th gear synchronizer sleeve (4) with the higher boss facing the front

    Object Number: 1955522  Size: SH
  12. Using a hydraulic press and DT-47723 , install the 3rd/4th synchronizer hub assembly (1).

  13. Object Number: 1955575  Size: SH

    Important: The retaining ring is a selected fit. Always install a NEW snap ring.

  14. Select the maximum thickness snap ring (1) that will fit in the groove. Refer to 3rd and 4th Gear Synchronizer Retaining Ring Specifications.
  15. Install a NEW snap ring (1) to the input shaft.

  16. Object Number: 1955576  Size: SH
  17. Apply an approved lubricant to the components and install the following components:
  18. • 3rd/4th gear spacer (1)
    • 3rd gear bearing (2)
    • 3rd gear blocking ring (5)
    • Install and align the 3rd gear (4)
    • Locating pin (6)
    • Install and align the 3rd gear thrust washer (3)

    Object Number: 1955578  Size: SH

    Important: The retaining ring is a selected fit. Always install a NEW retaining ring.

  19. Select the maximum thickness snap ring (1) that will fit in the groove. Refer to 3rd and 4th Gear Synchronizer Retaining Ring Specifications.
  20. Install a NEW snap ring (1) to the input shaft.

  21. Object Number: 1955580  Size: SH
  22. Install the 6th gear bearing spacer (1).
  23. Apply an approved lubricant and install the 6th gear bearing (2).
  24. Apply an approved lubricant and install the 6th gear (3).
  25. Apply an approved lubricant and install the 6th gear blocking ring (9).
  26. Apply an approved lubricant and install the 5th/6th gear synchronizer hub (7) including the spring (6), detent ball (5) and insert (8).
  27. Apply an approved lubricant and install the 5th/6th synchronizer sleeve (4) with higher boss of sleeve facing the rear.

  28. Object Number: 1955525  Size: SH
  29. Use a hydraulic press and DT-47723 to install the 5th/6th synchronizer hub assembly (1).

  30. Object Number: 1955582  Size: SH

    Important: The retaining ring is a selected fit. Always install a NEW snap ring.

  31. Select the maximum thickness snap ring (1) that will fit in the groove. Refer to 6th Gear Retaining Ring Specifications.
  32. Install a NEW snap ring (1) to the input shaft.