Good Sam Club Open Roads Forum: Fifth-Wheels: A leak at the drain valve
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Open Roads Forum  >  Fifth-Wheels

 > A leak at the drain valve

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Weldon

Texas

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Posted: 07/05/21 05:29pm Link  |  Quote  |  Print  |  Notify Moderator

I have a leak at the drain valve on a Montana fifth wheel. It appears to be grey water and does not leak if the used lightly. I am about 50 miles from a dealer. I have not looked under the coroplast (sp.) to see if there is a gasket I need or possible just tighten some screws. Would appreciate learning what might be most likely part or parts to take with me when I go to make the repair.
Thanks!

DickOK

Tucson Arizona

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Posted: 07/05/21 06:01pm Link  |  Quote  |  Print  |  Notify Moderator

Don't bother with a dealer. You are going to have to look at it. As long as you are under there just change the whole valve. Simple jub.


Dick OK

opnspaces

San Diego Ca

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Posted: 07/06/21 12:09pm Link  |  Quote  |  Print  |  Notify Moderator

Is it leaking out from the coroplast? Or is it leaking from the dup outlet. Either way you're going to have to pull the coroplast down to see where it's leaking or to effect a repair. If you're far enough along to have the coroplast down, then pay the extra $10 to replace the entire valve.


2001 Suburban 4x4. 6.0L, 4.10 3/4 ton
2005 Jayco Jay Flight 27BH
1986 Coleman Columbia Popup.

Weldon

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Posted: 07/06/21 02:13pm Link  |  Quote  |  Print  |  Notify Moderator

leaking thru coroplast very close to the drain valve. Cannot see the valve because it is concealed.

Weldon

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Posted: 07/08/21 06:13pm Link  |  Quote  |  Print  |  Notify Moderator

Probably going to be a crack in the grey tank. Going to use some West Systems flex epoxy to repair.

Weldon

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Posted: 07/16/21 03:44pm Link  |  Quote  |  Print  |  Notify Moderator

The main leak was where the fitting from tank joins the Valterra valve. There were 2 ribs in that area with beginning of 8" cracks of which one had a pin hole leak. Drilled a small hole at each end of crack to stop the cracks from spreading. Used West G655 epoxy seal on the leaks. Could not see any other leaks, have my fingers crossed.

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