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10-11-2007, 09:27 AM
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#1
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New Member
Join Date: Oct 2007
Location: Emery
Posts: 2
M.O.C. #7728
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Holding tank leaks
I discovered water dripping from the 3 inch pipe elbow under our 2003 Model 3575 Montana. I removed the bottom panel and found a leak on the bottom of the holding tank. It appeared to have been damaged prior to installation as indicated by the flattening of the creses made for rigidity. I sealed the leak with JB Weld. One week later, it has again began leaking water, which smells like black water, from the 3 inch drain elbow. Has anyone had problems with leaking holding tanks and know how to fix same? Any information on how to install new tanks yourself? REN
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10-11-2007, 06:44 PM
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#2
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Montana Master
Join Date: Jul 2006
Location: Pasco
Posts: 986
M.O.C. #5972
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I have the exact same model and year that you do. Highly unusual, I have only run across 6 in the last four years. I, fortunately, have never had your problem. Stay tuned, somebody will probably be along that can help.
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10-12-2007, 05:13 PM
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#3
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Montana Master
Join Date: Nov 2002
Location: Midlothian
Posts: 956
M.O.C. #40
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You can use the black PVC cement, used for putting two PVC pipes together.
Clean the area good then lightly sand then apply the black cement and put a couple of coats on it.
You can get the cement at Lowes or Home Depot.
Good luck
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10-12-2007, 05:25 PM
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#4
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Montana Master
Join Date: Sep 2003
Location: Forestville
Posts: 6,025
M.O.C. #496
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I have had the black tank leak and fixed it with the JB Weld as you did. Did you rough up the pipe before applying the JB Weld? I did not the first time I tried to fix it and it failed. The second time I roughed up the pipe with a wire wheel on my dremel tool and to this day (knock on wood) it is holding.
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10-13-2007, 11:51 AM
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#5
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Montana Master
Join Date: Aug 2006
Location:
Posts: 608
M.O.C. #6162
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Plumbers Goop!
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10-13-2007, 12:06 PM
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#6
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Montana Master
Join Date: Jun 2004
Location: Benson
Posts: 3,121
M.O.C. #1658
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Eternabond makes a tape for this
http://www.eternabond.com/detail.asp?id=ebas
make sure you drill a small hole at each end of the crack to keep it from getting longer. Do a search on the internet for Aseal and you will find several places selling short lengths of it for a reasonable price
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10-17-2007, 01:54 PM
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#7
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Montana Fan
Join Date: Feb 2004
Location: Carlisle
Posts: 402
M.O.C. #908
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We had a 2005 Montana 3475 and last winter we had the same problem but from the grey water tank. I was beating my head on the wall blaming myself for maybe doing a bad winterization job but I knew what I did was ok. Anyway we had the tank replaced.
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10-17-2007, 05:20 PM
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#8
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Montana Master
Join Date: Nov 2002
Location: Bakersfield
Posts: 5,316
M.O.C. #15
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renkat,
We had/have a gray water tank leak. The leak is located where the drain pipe connects to the tank. We used the radiator repair kit and it worked for about 6 months. It is leaking again so we've got to take another look at it.
Chester,
Would you mind sharing the general $$$ range we should look for if we have to change out a tank? Also about how long did it take the dealer to get the tank? Or did they have it on hand?
HamRad
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