It's probably the actuator behind the glovebox.You should be able to hear it if you switch from recirculate to fresh air.Another giveaway that it is "stuck" in recirculate mode is to crack a window and let some fresh air in to help with the windows fogging up.Or you can take the glovebox down and manually open the recirculate/fresh air door and disconnect the actuator .Takes less than 5 minutes to try that.

 

Hi Jodav,
I do apologize for the trouble you are experiencing with your Journey. If you are not able to remedy this concern with the advice provided here, I kindly recommend connecting with your local Dodge dealer again. Please know that our team would be more than happy to provide an additional layer of assistance if you do end up connecting with your dealer again. Feel free to follow up with us via private message if this would be of interest.
Rob
DodgeCares

 

Thanks for all the advice

 

This is what you want

 

The door blend actuator was what the dealer changed. My mech said it is the hot and cold unit that was leaking and would require about 7 hours to remove the dashboard and fix the issue. Additional $125 for parts. However, there was no water anywhere inside the car. The tapping sound stopped after changing the actuator but window still fogs.

 

The one in the video t at 1:25 what he calls the recirculation motor that is what controls fresh air vs recirculate. If you stay in recirculate mode you will get fogging windows. The blend door controls hot vs cold but that shouldn't fog up the windows. I've been through this and it's the fresh air/ recirculate actuator was the cause.Did you try cracking a window and it helps? I think your mechanic is wrong.