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Old 12-26-2015, 01:44 PM   #1
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Access under shower?

I'm seeing water coming out from under the shower pan on our 2014 Ventana 4037. (rear bath)

Does anyone know how to access the space under the shower pan to see whats leaking?

Its above and to the side of the engine but nothing is visible from under the coach.

Thanks
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Old 12-26-2015, 02:10 PM   #2
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Hi kamakalama,
This is a shot in the dark. Do you have what looks like a HVAC vent in the outside base of the shower? If so, remove the panel. That is all the access I know of.
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Old 12-26-2015, 02:10 PM   #3
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I found I can see under the shower pan by removing the heat vent in the bedroom on the opposite side of the wall from the shower.

When water is running in the shower, there is a fast drip right at the drain connection to the pan. So it appears that the flange is no longer sealed inside the pan or the pipe is cracked where I cant see it.

To get in there, the Oasis heat exchanger must be removed as it blocks any chance of getting an arm in there to repair.

Stay tuned...
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Old 12-26-2015, 02:14 PM   #4
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Hi kamakalama,
This has happened on other coaches. You still under warranty?
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Old 12-26-2015, 02:25 PM   #5
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Quote:
This has happened on other coaches. You still under warranty?
Sadly no. We took delivery in November 2013.

I'll try to isolate the leak by directing water directly down the drain, bypassing the pan and flange. If its the flange thats leaking, I'll try some silicone inside the pan as a temporary fix.

If its the pipes, I'll wait till Monday and discuss with Newmar before yanking out the Oasis unit.
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Old 12-26-2015, 02:29 PM   #6
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Gut feel says there is no or not enough glue on the pipe joints.
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Old 12-26-2015, 02:46 PM   #7
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There is a 90 deg elbow directly below the pan. The drip is at the far end of that elbow.

The Oasis heat exchange will have to come out for sure. Hope they left service length on the hoses.

Whats puzzling me is why I'm seeing water coming out on the bathroom floor which is higher than the drip. There may be 2 leaks.

The coach was well winterized before leaving on this trip last Wednesday. Freeze damage seems unlikely.
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Old 12-26-2015, 02:50 PM   #8
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Agree there is no freeze damage. Drain pipes are large and except for the traps have no freeze damage worries. Give the area below the shower, in the basement ceiling a good check.
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Old 12-26-2015, 02:59 PM   #9
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Quote:
Give the area below the shower, in the basement ceiling a good check.
Its a rear bathroom on a raised floor so you cant see anything from under the coach. There is no basement in that area. The engine occupies the space.

The only possible access is through the heater vent in the bedroom.

Its wet under there so no more showers till this is fixed

Hope my arms are long enough.
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Old 12-28-2015, 12:42 PM   #10
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KamaKalaMa if you can get hand through vent opening get a can of PVC pipe glue
swab around fitting on outside of pipe will stop leak did same to mine


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Old 12-28-2015, 12:57 PM   #11
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Quote:
Originally Posted by missey View Post
KamaKalaMa if you can get hand through vent opening get a can of PVC pipe glue
swab around fitting on outside of pipe will stop leak did same to mine


missey 08 KS 3910
Or marine putty.
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Old 12-28-2015, 01:53 PM   #12
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Could be the drain flange (?) needs tightening. Might see if you can tighten from inside the shower. There is a tool for turning the cross like bars to tighten or loosen.
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Old 12-28-2015, 05:41 PM   #13
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Thanks for the inputs everyone.

I spoke with Newmar Customer Service this morning. They're going to send a local tech to my location to assess the situation. Hopefully tomorrow. They seem willing to own the problem.

I purchased an inspection mirror on a long extension and discovered the dripping originates from the flange area, dripping down onto the drain pipe then to the OSB floor. I also found a gap between the drain flange and shower floor (photo). There is no caulk where that knife blade is inserted.

Unless there is a quick fix like Firedoc suggested, repair will be involved given the lack of access. (great way to start a vacation eh?)

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Old 12-28-2015, 05:47 PM   #14
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Please keep us posted
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