GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1969173  Size: SH
  1. If the fork leg inserts must be replaced, you should press them in. Ensure they are centered in the housing.

  2. Object Number: 1969223  Size: SH
  3. Assemble the 1st and 2nd gear fork, if removed, using a NEW roll pin.

  4. Object Number: 1969171  Size: SH
  5. If the fork leg inserts must be replaced, you must press them into position.

  6. Object Number: 1969224  Size: SH
  7. If the 3rd and 4th gear fork was removed, you must assemble and affix the fork with the 3rd and 4th gear fork roll pin.

  8. Object Number: 1969225  Size: SH
  9. Install the new roll pin over the 1st and 2nd gear stop. Screw the shaft and fork assembly in using the insert marks.

  10. Object Number: 1969227  Size: SH
  11. Install the new roll pin on the 3rd and 4th gear stop.

  12. Object Number: 1969167  Size: SH
  13. If the fork leg inserts must be replaced, press them in and ensure they enter into the housing.

  14. Object Number: 1969229  Size: SH
  15. Install the new roll pin into the 5th and reverse gear fork, using the insert marks as a reference.

  16. Object Number: 1969231  Size: SH
  17. Install the 3 insert springs.

  18. Object Number: 1969232  Size: SH
  19. Install the 3 insert spheres.

  20. Object Number: 1969163  Size: SH
  21. Install the previously assembled unit, shafts, and forks.

  22. Object Number: 1969162  Size: SH
  23. Install the 5th and reverse gear fork and shaft, placing the spheres on the insert marks.

  24. Object Number: 1969161  Size: SH
  25. Using a 1/2 socket, tighten the 2 screws on the insert system support plate.

  26. Object Number: 1969160  Size: SH
  27. Install the roll pins in the order indicated.

  28. Object Number: 1969158  Size: SH
  29. Using a 1/2 socket, tighten the 3 screws on the locking system support plate.

  30. Object Number: 1969233  Size: SH
  31. Ensure the surface is free from dust and grease and apply gasket maker GMM P/N 1052943.

  32. Object Number: 1969157  Size: SH
  33. Install the control cover onto the case, assuring the shift forks are aligned with the corresponding synchronizers.
  34. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1969155  Size: SH
  35. Using a 1/2 socket, tighten the 10 screws on the control cover to 20-24 N·m (18-22 lb ft).

  36. Object Number: 1969153  Size: SH
  37. Using a 13 mm socket, tighten the breather support screw.

  38. Object Number: 1969149  Size: SH
  39. Install the shift tower.

  40. Object Number: 1969150  Size: SH
  41. Using a 10 mm socket, tighten the 4 screws on the shift tower to 8-14 N·m (6-11 lb ft).