air from AC escaping into the ceiling cavity
My camper has developed sort of a stale smell that was only occurring when I ran the air conditioner. I cleaned the coil and duct work and all parts that contribute to air coming into the cabin, yet...
Forum Discussion
The likelihood is very high that the leak is right in the plenum where it leaves the a/c unit as described above or in the shoddy taping job between the duct work and the ceiling vents. Check those places first.
