GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 41229 Manual Shaft to Case Pin Installer or equivalent


    Object Number: 20220  Size: SH
  1. Install a new manual shaft seal (809) into the case (51). Use a 13 mm socket.

  2. Object Number: 20209  Size: SH
  3. With the manual valve to detent lever link (802) and the parking lock actuator assembly (807) attached, install the manual shaft and detent lever assembly (806) into the case.
  4. Ensure that the parking lock actuator rod is correctly positioned into the actuator guide.

  5. Object Number: 20221  Size: SH

    Notice: Use J 41229 to install the manual shaft pin at the correct height in order to properly secure the manual shaft. If you install the pin too deep, the case bore may crack.

  6. Install the manual shaft pin (803) into the case. Use the J 41229 or equivalent.

Special Tools

J 41229 Manual Shaft to Case Pin Installer or equivalent

For equivalent regional tools, refer to Special Tools.


    Object Number: 20220  Size: SH
  1. Install a new manual shaft seal (809) into the case (51). Use a 13 mm socket.

  2. Object Number: 20221  Size: SH

    Caution: Use J 41229 to install the manual shaft pin at the correct height in order to properly secure the manual shaft. If you install the pin too deep, the case bore may crack.

  3. Install the manual shaft pin (803) into the case. Use the J 41229 pin installer or equivalent.

  4. Object Number: 20209  Size: SH
  5. With the manual valve to detent lever link (802) and the parking lock actuator assembly (807) attached, install the manual shaft and detent lever assembly (806) into the case.
  6. Ensure that the parking lock actuator rod is correctly positioned into the actuator guide.