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Old 08-07-2020, 04:59 PM   #1
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Chief726's Avatar
Join Date: Jun 2020
Location: Buffalo
Posts: 1
M.O.C. #26478
Thumbs up 2020 Montana 295RL Water Leak (Fix)

After one month of ownership we experienced a water drip from the A/C vent directly below the rear (living room) air conditioner. Logically my first thought was condensation from the A/C collecting in the vent run and dripping down through the vent. After some testing and with the help of a couple passing rain storms, I determined the water wasnít a result of condensation. It turns out, after removing the A/C and revealing the opening, the factory installed silver HVAC tape around the entire opening. This very bad manufacturing practice wasnít allowing the rubber seal between the bottom of the A/C and the surface of the roof to properly seal, thus allowing rain water to leech under the tape and enter into the vent run. I simple removed all the extra tape, while leaving the required amount to seal the duct seams together. Reinstalled A/C, leak checked the seal and good to go.

Worth noting, this only applied to the rear A/C. I checked the fwd A/C and there was no extra HVAC tape used. Since I havenít read of anyone having this issue, I suspect this only applies to 2019/2020 builds from the factory.

I hope this helps all my friends who own the 294/295 RLís in the forum. Aim High - Chief
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Old 09-07-2020, 09:09 PM   #2
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Join Date: Sep 2020
Location: Waupaca
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M.O.C. #27057
Thanks for posting this. I have a 2016 305 rl high country and I just saw it do the same thing Havenít looked at it yet
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Old 09-15-2020, 10:03 AM   #3
Montana Master
Join Date: Jan 2016
Location: STAYTON
Posts: 897
M.O.C. #18157
Amazing, and disgusting all at the same time.

80k and they're assembled like that.


2016 3610/2012 F-350 Powerstroke
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Old 09-15-2020, 10:48 AM   #4
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Location: Wilsey
Posts: 17,447
M.O.C. #11455
You have to remember that from bare frame to completed unit, 18 or more are completed everyday on one line. It's a wonder they are built as well as they are.
Dick, Joyce, Diego, Picatso and Gustav
2017 3720 RL, and 2013 HC 343RL
2017 3500 Dodge Maxi DRW 4X4, Pullrite Hitch, IS, Disk Brakes, 3rd AC, Winegard Traveler, Bathroom door mod, Dometic 320, couch for desk swap, etc.
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Old 09-15-2020, 07:58 PM   #5
Tom & Earline
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Join Date: Aug 2020
Location: Sebring
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M.O.C. #26838
Good Information. Same issue with our 2020 305rl. Intermittently leaks from the vent. Scratching my head why sometimes it leaks when it rains and sometimes it doesn't. Under warranty so can't get to involved. Scheduled for repair in Oct. Will bring post and picture when we go to the shop.
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