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Old 04-03-2021, 05:31 PM   #1
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Leak under/behind shower

Our 2020 Glacier Peak Titanium 28rks started showing a little water coming out from under shower pan, at a wall between the shower and toilet.
Took in in to dealer who rechalked the whole thing. A few days later, at end of fall camping, it did it again. They said to bring it back in spring, which we did. They removed and rechalked and went to extreme to seal it up.
It has begun doing it again, and have another trip out of state to see the dealer.
I'm suspecting a leak in the plumbing. Anyone else experience this?
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Old 04-03-2021, 06:28 PM   #2
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No not me, that sucks. could be the actual shower drain or in the drain piping. A couple inches of water in the tub with drain closed, if leaks down you know itís the drain, where it mounts to the tub floor. If it doesnít leak down sounds like a faulty connection under tub.

Either you diagnose or leave too the dealer... we all know how leaving it to the dealer can go, never mind the down time.
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Old 04-04-2021, 08:12 AM   #3
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If I look into the shower pan access I can sometimes see a thin wet trickle down a wall. It's a corner shower, so it has come down one or the other walls. You can never see any puddle under the shower, just where to makes its way to that area by the toilet. This is making me think that it is trucking down, into some channel, then once towing again it tilts slightly to that side.
I'm thinking it's either:
A) the fittings at faucet or pex elbow
B) the vacuum break at faucet
Since it's been so well rechalked, I assume it's not a pan issue, and it doesn't matter how you use the shower (not use showerhead shutoff, or close faucet handles to soap up) it's not a leak caused by a pressurized fitting.
Also, the drain pipe is dry.
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Old 04-04-2021, 08:24 AM   #4
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Ah ok, Agree. Sounds like when it’s out again they’ll have to run water to see what’s happening.
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Old 04-04-2021, 09:47 AM   #5
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I have the same trailer and agree with your thinking that it is the pex connections at the faucet. The drain hole through the floor is large enough that I doubt a leak there would be seen on the floor, more likely to be in the basement. My other thought is that it may be a broken faucet itself unless the water appears there even when not using the shower. If it is only when using the shower that eliminates the pex connections. I had a faucet break from freezing in my previous ORV after the dealer did some warranty work and it also only leaked when used. I am thinking of swapping to a one lever faucet anyway so if you have a desire for one it could be an opportune time to switch.
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Old 04-04-2021, 11:20 AM   #6
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Shower tap

The shower Tap units are prone to cracking at the t where the water mixes hot and cold and only leak when using shower. Ive seen it a couple times on other rv's and had same symptoms. Water runs down wall and under shower.
Worth looking.
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Old 04-04-2021, 12:35 PM   #7
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You have a water line/fitting leak

Dealer SHOULD have inspected/pressurized the system to ID Source
NOT just Caulk it...........

Dealers are Idiots
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Old 04-04-2021, 01:19 PM   #8
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Dealers only know,,, get it out and say it's fixed, bill the factory.
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Old 04-04-2021, 08:30 PM   #9
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I too have the exact same trailer and will be falling this one closely.

Last fall my shower was leaking down into the wet bay. I caulked the base and it when away. Someone told me on the facebook page that we were not supposed to caulk the pan to the walls. Not sure of the reasoning but I would rather take my chances with it caulked and not have water making a mess of the basement.

If mine starts leaking again I will suspect the faucet as pointed out here unless another cause is found. If you find out more please share.
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Old 04-04-2021, 08:34 PM   #10
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Quote:
Originally Posted by ktmoore View Post
I too have the exact same trailer and will be falling this one closely.

Last fall my shower was leaking down into the wet bay. I caulked the base and it when away. Someone told me on the facebook page that we were not supposed to caulk the pan to the walls. Not sure of the reasoning but I would rather take my chances with it caulked and not have water making a mess of the basement.

If mine starts leaking again I will suspect the faucet as pointed out here unless another cause is found. If you find out more please share.
Did you 'stop' the leak OR just block the pathway for the leak and it is still leaking somewhere?

Personally...I prefer Finding/Identifying 'Source' of leak and then Fix that
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Old 04-05-2021, 07:02 AM   #11
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There is absolutely no reason to caulk the pan/wall seperation. The pan goes up far enough to prevent water from going up and over. I am curious what exactly the dealer is caulking here. The shower door under the lower track needs some is all. A simple pressure test would find the leak fast.

Most times its a cracked pex fitting, or a fitting that was not tightened up properly, or cross-threaded.

The OP has a pipe/fitting leak. He should pull the faucet assembly out and check for leaks there, pressurized and water running. If none found, and the drain is not leaking, then the shower needs to be removed to check all the pex behind it. The dealer does not want to do this inspection since it will take time, and it is low profit for them.

Not a hard job. Mostly grunt work. Have done it twice to my other trailers.

Putting it back together takes patience. Especially the door and track system.

That's what I would do before I ever took it back to the dealer. He is not addressing the root cause of the OP's leak. If the OP doesn't have those skills, maybe a mobile tech can address this. I always wonder about the dealers and their tech's skills. Some are lacking. "Yep, we will put our top guy on it." Then a 18 year old kid comes out......

"Insanity is doing the same thing over and over, and expecting different results"
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Old 04-05-2021, 07:16 AM   #12
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Thanks to all. I do have an appointment with the dealer, a few weeks out. They did try slapping chalk on everything, around pan, up door edges, track, and the push in wall retainers. They did pull the faucet and said it looked like no leaks. In anticipation of having to remove the shower enclosure they had ordered a replacement. Meanwhile we're stopping up the water as it appears.
Now I'll post my latest issue for comments/suggestions.....
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Old 04-05-2021, 08:06 AM   #13
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Quote:
Originally Posted by Old-Biscuit View Post
Did you 'stop' the leak OR just block the pathway for the leak and it is still leaking somewhere?

Personally...I prefer Finding/Identifying 'Source' of leak and then Fix that
Good point - in my case the caulk from the wall to the pan did fix the problem.

To confirm I sprayed water at this joint and clearly had water leaking while doing so. Then added caulk to the joint inside the shower and no more water leaking. My pan must not: either go up the back side of the wall as should be, or has a crack in the pan at the bottom wall location.

Thanks for your comment because I agree that masking a problem is not a solution.
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Old 04-05-2021, 10:40 AM   #14
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If there is only a leak when the shower is in use, it's the drain or between the shower valve and the shower head. Turn the water off at the head and on at the valve and check.
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