Leaking below the bathroom - Fiberglass RV


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Old 03-09-2014, 09:12 PM   #1
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Leaking below the bathroom

Hey everyone!
Just wondering- where should I take my Scamp (with the front bathroom layout) to get a leak around the PVC pipe in the floor? When you flush, it leaks around the pipe as it comes down out of the floor. Is it something I could probably fix with silicone (I'm a new lady Scamp owner).
Thanks in advance!
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Old 03-09-2014, 09:31 PM   #2
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Do not use silicone on fiberglass. Maybe the toilet valve is leaking? Find the leak first, then seal around the pipe with ProFlex. It can be found at RV Parts places.
Chuck
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Old 03-09-2014, 09:41 PM   #3
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Scamp uses Sealand 711 toilets. The upper part is a separate part from the tank.
The seals from they tank to the drain or between the upper portion and the tank could need replacing. The other part that can leak and sometimes needs replacing is the the Water Valve. You can buy replacement parts at Scamp for both.

Here is a link to a PDF Manual for the Sealand 711 Traveler . It shows you how it all fits together or comes apart.
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Old 03-09-2014, 09:41 PM   #4
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Hmmmm... The Scamp front bath uses what is, basically, a giant porta-potty, a Loo with a built in holding tank that can be drained from the outside.

From the sound of your description it sounds like fresh water is leaking somewhere and working it's way down to the drain pipe. That might take some disassembly to find the culprit. I'll bet it's on the pressure side and caulk of any kind may not be a fix.

I'd look inside, behind the loo first to try to find exactly where the water is coming from.
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Old 03-09-2014, 10:02 PM   #5
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Chris
Is the water running down the 3" Black ABS pipe under the trailer? Or is it leaking around your flush valve in the trailer?
Eddie
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Old 03-09-2014, 10:06 PM   #6
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So, it sounds like I need to take out the toilet and look for the leak. I'm sure hoping I can do it! I wonder if there's a video somewhere! Thanks everyone! :-)
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Old 03-09-2014, 10:08 PM   #7
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Eddie, it's running around the black PVC looking pipe that comes through the bottom of the trailer. I can take a picture tomorrow when it gets light outside! Thanks for trying to help!
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Old 03-09-2014, 10:09 PM   #8
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It may be leaking in both places, out of the flush valve, down the outside of the base and then out to the ground via the dump tube opening.
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Old 03-09-2014, 10:20 PM   #9
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I'd suggest that you put some sort of colorant in the freshwater tank so you can see exactly where the water's coming out.

After adding the color, don't "flush" at first- give it time to see if it's just leaking from the holding tank first. If so, it may just need a new gasket.
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Old 03-09-2014, 10:28 PM   #10
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I'll try to check these out tomorrow if I can figure out how to take the toilet apart. Lord, help me, lol! I'll try to put a photo online tomorrow as well!
Thanks, everyone!
:-)
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Old 03-09-2014, 10:43 PM   #11
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Like Bob said fix the leak up top first. Could be flush valve or rubber gasket between the bowl and tank. There is a wide plastic trim ring around the base of the commode. It snaps apart right behind the flush valve, be careful not to break the locks. Once the trim ring is removed you should be able to find the upper leak. It is also a good Idea to put a plastic shut off valve on the water input line going to the commode.
Now the bottom leak. The tank sits on a wax seal. This seal keeps the shower water from running out under the commode. The black ABS pipe coming out of the trailer is screwed into the bottom of the tank and it is sealed with pipe dope. If your outside drain pipe can move back and forth you will need to reseal the drain pipe.
The problem is you can't unscrew the pipe because the pipe hits the frame. So you have to cut the pipe at the L to unscrew it to reseal it or replace the wax seal. If you have to cut the pipe call Scamp first and they will sell you what you need to replace your ABS plumbing. It is not as bad as it sounds but most all the ABS is glued together and can't be reused. You should also replace or rebuild your dump valve.
Its best to have repair parts in hand before tearing everything apart.
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Old 03-09-2014, 10:48 PM   #12
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If the leak is between the bowl and tank you may fix it by tightening the four nuts that hold the bowl to the tank.
Eddie
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Old 03-09-2014, 11:33 PM   #13
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I had a small leak in mine this spring caused by some water that was still in the flush valve, froze and cracked something even with the Scamp in the garage. The pink antifreeze does not get in there and we had some really cold weather. The RV repair replaced the flush valve for me. The part was not expensive, but the labor was time consuming because of the tight area it is in.
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Old 03-10-2014, 12:35 AM   #14
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And, no surface caulk is effective as a permanent repair.
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