GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 22912-B Split Plate Bearing Puller


    Object Number: 1413942  Size: SH

    Important: Inspect the countershaft gear subassembly before disassemble. Refer to Gears and Shafts Cleaning and Inspection.

  1. Remove the snap ring (142) from the countershaft above the counter gear front bearing (128). Discard the snap ring (142).

  2. Object Number: 1413944  Size: SH

    Important: Place the edge of gear on press plate.

  3. Using a hydraulic press and J 22912-B , remove the counter gear front bearing and reverse synchronizer assembly as a unit.

  4. Object Number: 1413945  Size: SH
  5. Remove the following components as an assembly:
  6. • The counter gear front bearing (128)
    • The reverse gear bushing (114)
    • The reverse gear (206)
    • The reverse gear bearing (133)
    • The reverse gear blocking ring (122)
  7. Using a magnet, remove the locking ball (194) from the countershaft.

  8. Object Number: 1504127  Size: SH
  9. Using a hydraulic press and J 22912-B , remove the reverse gear spline and 1st gear as a unit.

  10. Object Number: 1413947  Size: SH
  11. Remove the reverse gear spline (112).
  12. Remove the 1st gear (199).
  13. Remove the 1st gear bearing (134).

  14. Object Number: 1413948  Size: SH
  15. Remove the 1st gear synchronizer inner cone (96).
  16. Remove the 1st gear synchronizer outer cone (97).
  17. Remove the 1st gear outer blocking ring (98).

  18. Object Number: 1413965  Size: SH
  19. Remove the snap ring and discard.

  20. Object Number: 1413969  Size: SH

    Important: Place the edge of gear on press plate.

  21. Using a hydraulic press, remove the 2nd gear and the 1-2 synchronizer assembly as a unit.

  22. Object Number: 1921454  Size: SH
  23. Remove the following components as an assembly:
  24. • The 1st/2nd gear synchronizer sleeve (117)
    • The 2nd gear outer blocking ring (98)
    • The 2nd gear synchronizer outer cone (97)
    • The 2nd gear synchronizer inner cone (96)
    • The 2nd gear (200)
    • The 2nd gear bearing (135)
    • The snap ring (142)

    Object Number: 1921456  Size: SH
  25. Using J 22912-B and a hydraulic press, remove the cylindrical roller bearing inner race.