GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1235585  Size: SH

    Important: Installing a lint-free cloth into the park pawl cam guide hole prevents the manual valve pin from falling into the transmission.

  1. Install a lint-free cloth (1) in the park pawl cam guide hole in the transmission case (2).
  2. Position the transmission case so that the valve body face of the transmission case is facing up.

  3. Object Number: 1332442  Size: SH
  4. Align the manual valve pin (3) with the manual selector valve (2).
  5. Rotate the manual valve pin (3) until the pin can be installed into the manual selector valve.
  6. Install the manual valve pin (3) into the manual selector valve (2).
  7. Install the manual selector valve into shift valve body (1).

  8. Object Number: 1216929  Size: SH

    Important: Do not drop the manual valve when removing or installing the control valve assembly onto or from the transmission case.

  9. Align the control valve assembly with the transmission case while installing the manual valve pin (3) into the manual shift shaft detent lever (1).

  10. Object Number: 1332478  Size: SH
  11. Align 2 control valve assembly locating pins (1) with the locating pin holes in the transmission case.
  12. Install the control valve body assembly (2) onto the transmission case.

  13. Object Number: 1332490  Size: SH
  14. Remove the lint-free cloth (1) from the park pawl cam guide hole.
  15. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1357911  Size: SH
  16. Install 11 control valve assembly bolt (1) and 4 bolts (2) into the shift solenoid G valve body.
  17. Tighten
    Tighten the bolts to 12 N·m (108 lb in).


    Object Number: 1332471  Size: SH
  18. Install the manual shift shaft detent spring (2) onto main valve body (4).
  19. Make sure the manual shift shaft detent spring (2) roller rests on the manual shift shaft detent lever (3).
  20. Install 2 manual shift shaft detent spring bolts (1).
  21. Tighten
    Tighten the bolts to 12 N·m (108 lb in).