Water leaks thru AC returns

[Jeff&Missy]

Montana 2018 5th wheel. AZ. First killer monsoon in our rig and drivers side vent leaking rear unit. I read the blizzard pdf and before I tell my poor husband wanted to know if you all who just tighten and silicone had to remove all the foam and puddy as mentioned in pdf. It also spoke of corrosion on the sensors. My poor man is 6.5 300 ish. Before I send him up there I want him prepared also our ceiling is curved. Unit working fine. Lord help us.

[Bad Moon]

Go to the link back in post #18. It describes the whole process with photos.

[Jeff&Missy]

Originally Posted by Bad Moon

Go to the link back in post #18. It describes the whole process with photos.

Thank you. We did end up following the pdf which matched completely and did the front unit as well. Willfind out tonight if it works. Except no putty as described in one of the pdfs.

[Kyle and Lisa]

Originally Posted by MidMOTraveler

Remove top ac cover 4 #2 Phillips screws
Tighten 4 13mm bolts to compress neoprene gasket
Replace cover
Mine were only finger tight on rear unit.
Done on advice of a friend who had the leaky returns.
Hope this helps.

That's what we did and no issues since.

[Rich Valk]

Originally Posted by Lconover

Is anyone having problems with water leaking into the trailer trough the AC returns when it rains? If so, how did you fix it?

My 2016 Montana High Country is at Camping World as we speak, they cannot figure out my water leak through the AC return vent, any and all help is appreciated.

[Butch & Kathy]

Originally Posted by Rich Valk

My 2016 Montana High Country is at Camping World as we speak, they cannot figure out my water leak through the AC return vent, any and all help is appreciated.

Here’s the link to the service bulletin: https://static.nhtsa.gov/odi/tsbs/20...79726-2280.pdf