GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1332926  Size: SH
  1. Remove 2 detent spring bolts (1).
  2. Remove the manual shift shaft detent spring (2).

  3. Object Number: 1333047  Size: SH

    Important: Gold colored bolts (2) retain the modulated main valve body. The modulated main valve body is removed as part of the control valve assembly disassemble procedure.

  4. Remove 13 control valve body assembly bolts (1).

  5. Object Number: 1355182  Size: SH

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

  6. Install a lint-free cloth (1) in the park pawl apply assembly guide hole in the transmission case (2).

  7. Object Number: 1332478  Size: SH

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

    Placing a finger on the end of the manual valve pin, protruding from the cockscomb slot, when removing the control valve body assembly from the transmission case prevents the manual valve from falling free of the bore.

  8. Lift the control valve body assembly (2) until the 2 locating pins (1) of the control valve body assembly are disengaged from the transmission case.

  9. Object Number: 1216929  Size: SH
  10. Slide the control valve body assembly to the side and disengage the manual valve pin (3) from the manual shift shaft detent lever (1).
  11. Remove the control valve body assembly from the transmission case.

  12. Object Number: 1332442  Size: SH
  13. Remove, as a unit, the manual valve (2) and the manual valve pin (3) from the shift valve body assembly (1).
  14. Remove the manual valve pin (3) from the manual valve (2).

  15. Object Number: 1358244  Size: SH
  16. Remove the lint free cloth (1) from the park pawl apply assembly guide hole in the transmission case (2).