GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1969079  Size: SH
  1. Use an impact gun to loosen and remove the nut from the main shaft.

  2. Object Number: 1969080  Size: SH
  3. Remove the yoke flange from the main shaft, as necessary.

  4. Object Number: 1969077  Size: SH
  5. Using a 10 mm socket, remove the vehicle speed sensor (VSS) screw.

  6. Object Number: 1969078  Size: SH
  7. Remove the VSS.

  8. Object Number: 1969082  Size: SH
  9. Remove the 10 cover screws.

  10. Object Number: 1969192  Size: SH
  11. Remove the cover carefully, as oil may remain in the cover.

  12. Object Number: 1969088  Size: SH
  13. Remove the spacer from the flange and yoke, as necessary.

  14. Object Number: 1969090  Size: SH
  15. Using a magnet, remove the pulling sphere out of the speedometer gear.

  16. Object Number: 1969092  Size: SH
  17. Remove the speedometer gear.

  18. Object Number: 1969095  Size: SH
  19. Place the transmission over 2 pieces of wood.
  20. Using locking pliers, remove the snap ring from the 5th gear bearing.

  21. Object Number: 1969194  Size: SH
  22. Using a hammer and punch, remove the roll pin and the 5th gear fork.

  23. Object Number: 1969096  Size: SH
  24. Remove the taper and the synchronization ring from the 5th gear.

  25. Object Number: 1969097  Size: SH
  26. Remove the 5th gear synchronizer assembly with the fork.

  27. Object Number: 1969098  Size: SH
  28. Remove the 2 roller bearings and spacer.

  29. Object Number: 1969100  Size: SH
  30. Remove the push pulley.

  31. Object Number: 1969196  Size: SH
  32. Using a magnet, remove the pulley sphere.

  33. Object Number: 1969101  Size: SH
  34. Remove the 4 screws from the bearing retainer.

  35. Object Number: 1969198  Size: SH
  36. Using a screwdriver, carefully remove the retainer.

  37. Object Number: 1969102  Size: SH
  38. Remove the retainer bearing.

  39. Object Number: 1969104  Size: SH
  40. Remove the drive shaft.

  41. Object Number: 1969200  Size: SH
  42. Using a hydraulic press or a remover, remove the bearing from the counter shaft, when necessary.

  43. Object Number: 1969106  Size: SH
  44. Remove the bearing race from the main shaft.

  45. Object Number: 1969108  Size: SH
  46. In order to remove the main shaft bearing, fasten it to the synchronizer and pull up with one hand and push down with the other hand.