Copyright 2019 Discovery Owner's Association, Inc.

Water Leaks

Here is a compendium of tips from folks that responded to a leak around the City Water Fill:

  1. I had the same problem with fresh water and they changed the city water valve that stops the water from coming out the city water valve when using the pump. Bill Azar
  2. We had this same problem on an old motor home as we drove down the road water was squirting out the side, we had to replace the check valve but you might try to stick something like a small screw driver into the opening I think there is a ball and spring to stop the water from back flushing. There might be some small debree caugh in it. Let me know if this helps. Joe Rossi
  3. The city water inlet will leak when it gets corroded with hard water deposits or dirt. One quick fix is to turn the punp on and then go outside and push the little plastic center portion of the inlet. Water will spray in your face, but do this several times then make sure the center of the inlet is facing straight out, not bent over to one side. If this doesn't stop it you need a new inlet, which you can get from any dealer and there very easy to replace, Turn pump 0ff and remove the two screws then reach under the inlet housing and unscrew the fitting. Reverse the procedure to put the new one on. Bob Nelson
  4. You may be able to back flush the city water valve instead of replacing it. It may have a piece of dirt holding the rubber flap away from it's seat.

    Just pry the inlet screen out of the hose connector on the D. Then with water in your fresh water tank, and the water pump turned on, push the rubber flap in and away from it's seat with a smooth instrument that won't poke a hole in the rubber. Stand clear of the city water fitting when you do this, or you will get plenty wet. If dirt is the culprit, it will be back flushed out of the fitting using this method. You can do this several times until you notice that the valve is sealing properly when the dirt is gone. When it seals properly, replace the screen and you're done. Joe Brown

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The DISCOVERY OWNERS ASSOCIATION, INC, was formed to promote the sharing of information and the camaraderie of fellow Discovery motorhome owners. Membership in the club is limited to owners of Fleetwood Discovery motorhomes.


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