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Old 08-31-2019, 05:27 AM   #1
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Water leak

We are having problems with a water leak. We are using city water but it appears the water pump is leaking even though we are not using it. We have a shurflo 4008 by pass pump. Our camper is a 2016 Jayco whitehawk 33rsks. Our fresh water tank is empty. I can feel some water around the filter. I can not see a cut off for the pump from the city water line just one for fresh water line. Any suggestions? We are out of town of course . Seems like something always happens when you are traveling!
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Old 08-31-2019, 08:38 AM   #2
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The only cutoff from the fresh water pump is your discharge check valves on the fresh water pump and they can get a piece of something stuck at the seat, this can cause backflow, that can overflow the FW tank. Although It might fill your fresh water tank it should not cause a external leak. I would after wiping everything down, start with paper towels, lay around the suspect area, then wrap pieces of toilet paper items in that area. It could be an elbow in the water line. Good Luck!

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Old 08-31-2019, 09:02 AM   #3
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The only cutoff from the fresh water pump is your discharge check valves on the fresh water pump and they can get a piece of something stuck at the seat, this can cause backflow, that can overflow the FW tank. Although It might fill your fresh water tank it should not cause a external leak. I would after wiping everything down, start with paper towels, lay around the suspect area, then wrap pieces of toilet paper items in that area. It could be an elbow in the water line. Good Luck!

I think I have a similar problem with my 33rbts but when I look at the manual for my water pump, which is also a Shurflo 4008, the diagram does not show where the check valve is...where does one find this? Is it close to where the water pump is located?
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Old 08-31-2019, 09:10 AM   #4
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Check valve is on the pump. Could just a fitting that needs to be tightened. Plastic fittings have a tendency to loosen up on occasion. The crimp ring could be loose too.
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Old 09-01-2019, 08:29 AM   #5
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Two types of operations; City water connection supplying pressure and city water disconnected and your freshwater pump supplying pressure.

They can have separate results. If your not finding the leak try disconnecting city water, turn on the water at the docking station (dribbling water slowly will keep the pump running. Everything wrapped? Then check again.

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Old 09-01-2019, 09:53 AM   #6
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It doesn't take much of a leak to have the pump cycling. Feel all the fittings for moist conditions. To avoid cycling issues install a accumulator which will give a higher cycling differential.
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Old 09-01-2019, 03:40 PM   #7
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I caught a small developing puddle last year while out on a western trip. It was coming out from the clear plastic filter cup on the side of my water pump. It worked its way loose, I hand tightened it & all was well. I check it often now.
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