Odd fan type noise from rear seat

[kayjo]

I have a 2019 longhorn, bought about 3 mos ago. Recently started hearing, at times, something that sounds like a fan blowing from the rear seat in the passenger side. At first I thought it was like a blown speaker, then mayb something with the ventilation and ac, shut all that off, and it persisted, got out to listen in the rear and feels and sounds like some sort of air swooshing from behind the seat. Does anyone know anything about this?

 

[turkeybird56]

There are 2 Cab Vents behind the rear seat:

Replacing cab vents

Do I need to slide my bed back to replace my cab vents? I had a guy at a window shop tell me that I did. I found water in my storage compartment and thought my back window was leaking. He took out my rear seat and found both my cab vents were missing all the rubber flaps. I went to Dodge and...

www.ramforum.com

 

[Papa Red]

Sounds like the cab vents could be what's making the noise. Look between the cab and the bed and see if maybe one is stuck open.

Red