have recently noticed a leak under my 5th wheel that appears to be from my gray water. this only occurs when I close the gray water drain. I have an Excel Limited 36 footer. Any help on what might be a place to begin looking? the under side of this rig is sealed and I hate to have to take all down
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If you have not used it for a while or it is old the seal on the close valve may be worn or not sealing tightly. Check at the drain hose connection first to make sure the valve is closing fully and not allowing any fluid to pass through. If it is not coming through the drain, then you might have to follow all the other hose connections to check for leaks.
Just got our TT back from the dealer today with a new gray tank (cracked). Lucky it was covered by our extended warranty. Before you remove your entire underbelly (like I did) just take a screws off and poke around and see if you can locate the leek. Trust me, putting the underbelly back up is a PITA unless you have extra hands, knees and feet.
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