Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Air Temperature Actuator Components (Single Zone)

Courtesy of GENERAL MOTORS CORP.

Remove the drive side knee bolster. Refer to Knee Bolster, Insulator, Molding Replacement - Instrument Panel in Instrument Panel, Gages and Console.
Locate the defrost actuator (1).
Disconnect the defrost actuator electrical connector (2).

Fig 2: Locating Defroster Door & Components

Courtesy of GENERAL MOTORS CORP.

Remove the defrost actuator bolts/screws (4).
Remove the defrost actuator (3).