Try this from AutoZone.com http://www.autozone.com/addVehicleId,2934501/initialAction,repairGuide/shopping/repairGuide.htm?pageId=0900c152801c9c89
It is under the dash on top of the HVAC module
Check heatertreater.net for diagnostic information and a fix for the blend door/actuator problems endemic to this model.
if it has dual air, there are two. One on top of the evaporator box behind the passenger side airbag and the other down below the evaporator box.
To change the blend door actuator in a 2004 Crown Victoria, first disconnect the negative battery terminal for safety. Remove the glove box and the lower dash panel to access the actuator, which is located on the HVAC box behind the dashboard. Disconnect the electrical connector and remove the screws securing the actuator, then replace it with the new unit and reassemble the components in reverse order. Finally, reconnect the battery and test the actuator's functionality.
i need to replace the temperature control light bulb on my 2004 silverado.
Behind the dash assembly, mounted to the HVAC assembly. The dash assembly must be partially removed to gain access to the blend door actuator.
To replace the door lock actuator on a 2004 Cadillac XLR, start by removing the door panel to access the actuator. Disconnect the wiring harness and unscrew the actuator from its mounting position. Replace it with the new actuator, reconnect the wiring, and reassemble the door panel. Ensure everything is securely fastened and test the lock functionality before finalizing the installation.
how to replace a fuel line presure regulator on a 2004 4.8 chevy silverado
the blend door actuator has a gear missing teeth an it can't finish the comand
It can be reached from under the dash, in front of the center console, driver's side. The center console must be removed to access the actuator.
with a screwdriver
Can't say for positive sure, but I would expect the Freestar/Monterey blend door actuator motor to be much like the Windstar. Common failure, easy replacement - about $40 See "Related Questions" below for links to the Windstar related blend door discussions