GM Service Manual Online
For 1990-2009 cars only

Note: Do not remove the actuator guide unless the actuator guide appears damaged.


    Object Number: 20215  Size: SH
  1. Remove the actuator guide roll pin (810) from the case.
  2. Remove the actuator guide (812) and O-ring seal (811) assembly from the case (51). For easiest removal, tap the actuator guide (812) into the case (51).
  3. Install a new O-ring seal (811) on the actuator guide (812).
  4. Install the actuator guide (812) and O-ring assembly (811) into the transmission case (51).
  5. Install the actuator guide roll pin (810) into the case (51) in order to secure the actuator guide (812).