Removal Procedure

With a medium flat-bladed tool, remove the service cover.
Remove the motor/actuator trim cover screw (2).

Fig 1: Motor/Actuator Service Cover (ZRX/EXTREME w/CF5)
Courtesy of GENERAL MOTORS CORP.
Lower the trim cover (1) and remove the sunroof switch (4).
Disconnect the electrical connector from the motor (3).

Fig 2: Disconnecting Electrical Connector From Motor
Courtesy of GENERAL MOTORS CORP.
Remove the 2 outer motor/actuator screws (2).
Let the drive tube motor block (3) hang on the assembly screw (1).
Remove the motor from the drive tube motor block.

Fig 3: Removing Motor From Drive Tube Motor Block
Courtesy of GENERAL MOTORS CORP.