Originally Posted by dan-nickie
It's about two-thirds of the way back on the passenger side just behind the kitchen slide. The dealer added them on after I bought it. The vent looks like the picture below. Seems it does have a bug flap inside of it.
Yep that's pretty much the same as mine. No latch and as I said too high to do anything without a ladder.
I'm gonna try padding the inside of the chrome cover with a thin layer of foam. Seems most of the noise may be from the flapper hitting that cover.