GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 43909 Manual Shift Shaft Seal Installer
    • J 43766 Selector Shaft Spring Pin Installer

    Object Number: 1217162  Size: SH
  1. Install a new manual shift shaft seal (1) onto J 43909  (2).
  2. Using J 43909  (2) , drive the manual shift shaft seal (1) into the transmission case.
  3. Make sure the manual shift shaft seal is seated on the bottom of the bore.

  4. Object Number: 1217157  Size: SH
  5. Install the nib of the park pawl assembly (1) through the keyhole in the manual shift shaft detent lever (2).
  6. Rotate the park pawl assembly 180°.

  7. Object Number: 1217156  Size: SH
  8. Place the roller end of the park pawl assembly (5) into the transmission case.
  9. Align the manual shift shaft detent lever (3) so that:
  10. • The cockscomb of the detent lever is facing up.
    • The guide hole for the manual valve pin is facing forward.
    • The manual shift shaft hole in the detent lever is aligned with the manual shift shaft seal (2).
  11. Slide the manual shift shaft (1) through the following components:
  12. • Manual shift shaft seal (2)
    • Manual shift shaft detent lever (3)
    • Manual shift shaft nut (4)
  13. Install the manual shift shaft into the transmission case.

  14. Object Number: 1217153  Size: SH
  15. Install the manual shift shaft detent lever (2) onto the flats of the manual shift shaft (1).
  16. Install the manual shift shaft nut (3) onto the manual shift shaft (1).
  17. Install a crow's foot with a torque wrench onto nut (3).
  18. Notice: Refer to Fastener Notice in the Preface section.

  19. Hold the flats of the manual shift shaft (1) and tighten the manual shift shaft nut (3).
  20. Tighten
    Tighten nut (3) to 29 N·m (21 lb ft).


    Object Number: 1217155  Size: SH

    Notice: DO NOT mar the transmission case surface around the spring pin when removing or installing the spring pin. An unmarred surface is required to maintain the seal between the control valve assembly and the transmission case.

  21. Install the spring pin (2) into J 43766 .
  22. Using J 43766 , drive the spring pin (2) into the transmission case to the specified height.
  23. Specification
    The spring pin height is 8.50-9.00 mm (0.335-0.350 in)