GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36850 Transjel® Assembly Lubricant.


    Object Number: 1956902  Size: SH
  1. Install the selector pin (3) on the shift shaft (1).
  2. Align the roll pin hole on the selector pin (4) with the roll pin hole on the shift shaft (2).
  3. Install the roll pin (5) through the selector pin (3) and the shift shaft (1).

  4. Object Number: 1956903  Size: SH
  5. Install the interlocking plate (2) on the selector pin (1).

  6. Object Number: 1956904  Size: SH
  7. Install the shift link (1) in the 3rd/4th shift fork (2).

  8. Object Number: 1956905  Size: SH
  9. Install the 3rd/4th shift fork (2) on the shift shaft (1).

  10. Object Number: 1956906  Size: SH
  11. Align the notch on the shift link (2) with the selector roll pin (1).

  12. Object Number: 1956907  Size: SH
  13. Install the shift link (2) with the 1st/2nd shift fork (1).

  14. Object Number: 1956877  Size: SH
  15. Install the 1st/2nd shift fork (1) on the shift shaft (2).

  16. Object Number: 1956908  Size: SH
  17. Install the 1st/2nd shift shaft link (1) on top of the 3rd/4th shift shaft link (3) on the interlocking plate and the selector roll pin assembly (2).

  18. Object Number: 1956909  Size: SH

    Important: The neutral return cam pin fits loosely in the shift shaft. Use the J 36850 to hold the neutral return cam pin in place.

  19. Install the neutral return cam pin (3) in the neutral return can pin hole (1) on the shift shaft (2).

5th/6th, Reverse Shift Rail Assembly

Tools Required

J 39437 Bushing Installer


    Object Number: 1956910  Size: SH
  1. Install the 5th/6th shift shaft lever bushings (1) and (3) in the 5th/6th shift lever (2) using the J 39437  (4) and a hammer.

  2. Object Number: 1956911  Size: SH
  3. Install the retainer ring (1) on the 5th/6th shift lever (2).

  4. Object Number: 1956912  Size: SH
  5. Install the 5th/6th shift lever (2) on the shift shaft (1).

  6. Object Number: 1956913  Size: SH
  7. Install the reverse shift lever (2) on the shift shaft (1).

  8. Object Number: 1956914  Size: SH
  9. Install the reverse lever roll pin (3).
  10. Install the reverse collar (2).
  11. Install the reverse collar roll pin  (1).