Coast Resorts Open Roads Forum: Fifth-Wheels: Pump issues
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troy t

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Posted: 10/01/23 06:39am Link  |  Quote  |  Print  |  Notify Moderator

Looking for some help here. We bought a 2015 Forest river Wildcat recently. Camper is in fantastic condition but I have a question on the pump. The previous owner replaced it right before selling to us and it seems to have an issue building pressure and a lot of air in the system. It’s most noticeable when flushing the toilet that it will just keep running sometimes. You’ll have to turn on another fixture and that fixture will run and spit a lot of air until it runs steadily then when you shut it off the pump will shut off. I hooked it up to city water and ran everything for a while after our first trip with it to get all the air out of the system. Now this trip it’s doing the same thing. No leaks, the pump doesn’t cycle randomly at all. Any ideas?

rjstractor

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Posted: 10/01/23 08:16am Link  |  Quote  |  Print  |  Notify Moderator

A leak on the intake side of the pump?

enblethen

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Posted: 10/01/23 08:36am Link  |  Quote  |  Print  |  Notify Moderator

Check the valve position on "fill and run" if equipped. Check winterizing anti-freeze suction valve if equipped.
Sucking air on intake side of pump is a good thought. Valves not closed is common problem.


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way2roll

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Posted: 10/01/23 08:58am Link  |  Quote  |  Print  |  Notify Moderator

Check the clear plastic screen cover near the pump. Had one freeze and crack once (despite winterizing) and it was pulling in air.


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Posted: 10/01/23 09:15am Link  |  Quote  |  Print  |  Notify Moderator

You might also see a leak where it's sucking in air after pump is turned off which will help to locate the problem. Could be anywhere including the hot water tank area.

But first check all of the areas around the replaced pump including the pump.


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ejmorgan

Dixon, CA

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Posted: 10/01/23 05:37pm Link  |  Quote  |  Print  |  Notify Moderator

way2roll wrote:

Check the clear plastic screen cover near the pump. Had one freeze and crack once (despite winterizing) and it was pulling in air.


Also, make sure the clear plastic intake filter/debris cup is swiveled so that the cup is lower than the water pipe.

If it is swiveled higher than the water pipe, the cup will create an air pocket. This will cause erratic pressure and water flow problems. (Don't ask how I know this!)

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jffnkrn

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Posted: 10/02/23 07:22am Link  |  Quote  |  Print  |  Notify Moderator

like said earlier, check the fill/sanitize/antifreez valves as they could be ou to fproper position. I also one time had pump running without moving water, this was after I was hooked up to city water. Turned it to City water then back and all was fine. Never knew what it was, maybe an air pocket. or somthing. good luck

troy t

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Posted: 10/02/23 09:55am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for all the quick replys. I will dig into it tonight. Unfortunately I made the mistake of emptying my water tank and parked it where I can't reach it with a hose but I can add water from some jugs and do some investigating.

troy t

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Posted: 10/03/23 12:33pm Link  |  Quote  |  Print  |  Notify Moderator

So it's not leaking around the pump at all, I cycled the valves and saw nothing there and when running the pump after adding water it performed perfectly. Shut off right away every time, no issues. But I do think there's a leak at the intake from the fresh water tank that I'll have to look into. Once I added water back into it I did see some dripping from the underbelly. So I'll have to pull that material down so I can see the tank and both the fill and pump intake line.

On another note, there is a sediment filter between the winterize valve and the pump but there's no filter in it. Does that make any sense??

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Posted: 10/03/23 01:44pm Link  |  Quote  |  Print  |  Notify Moderator

The dripping is also very likely also the air intake issue. I'd put a filter in, can't hurt.

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