Our 01 Endeavor had one in it. When it stopped holding water It was because TP would get caught in the seal keeping the valve from fully closing. Using a coat hanger or some such hi tech tool you can clean out the seal. I was surprised how much stuff was in the seal and how tightly packed it was. As a side note,ours suddenly stopped working just as we were leaving for a trip. As it would flush it would close then go to the open position and stay there. Not the way you want to travel. Replaced it with a foot operated one since the electronic controller cost over $200.00. Did like it when it worked though.
Bill, if it's working, keep the new one for a spare. We have one and like it, but have never had a problem with it not holding water. Yours probably sat dry for awhile and now with the seal swelling from the brake fluid, it will remain solid.
Bob & Betsy - USN Ret'd '78 & FL LEO Ret'd '03 FMCA #F203528 '05 HR Endeavor, 40PRQ w/400 Cummins - With -'05 GMC Sierra SLT, CC Z-71, the pusher '07 Arctic Cat 500A & Wilderness Kayak, riding in the pusher - Our Current Location
Sometimes the linkage on the trip rod wears just enough to not completely close the ball. Tap the lever just enough to close it a little more, but not enough to reflush it. I have one like that right now, but am too lazy to take it off and tear it apart.
Marvin Hammer
2007 Allegro Bus QSP
06 Volkswagen Jetta Diesel
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