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Old 07-19-2007, 06:04 AM   #1
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1992 21' Sovereign
ft mitchell , Kentucky
Join Date: Jun 2007
Posts: 15
low water pressure

I have a slow leak from the fresh water holding tank in my 1992 22ft Sovereign. The system runs ok when hooked to city water but otherwise the water pump wont quit running and I have very low pressure.
I surmise I have a leak in the fresh water tank that isnt allowing it to pressurize. Any hints on how to tackle this problem? Would it be expensive to have AS factory fix it? I am nervous about getting under this trailer which is very low to the ground anyways.(smaller than normal wheels)

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Old 07-19-2007, 07:07 AM   #2
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Cuddebackville , New York
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Unless they did it differently back in '92, the fresh water tank does not pressurize. It would have to be a leak in a line or the hot water tank or a faulty pump. If it is running constantly, you'd see water leaking in pretty short order, so if you don't I'd look at the pump.

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Old 07-19-2007, 07:31 AM   #3
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Sure sounds like a bad pump. There is no pressure in the tank, the pump makes the pressure when needed. There must be a leak of pressure from one side to the other in the pump. If you can get at it the pump is easy to replace, or even just replace the pump head.
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Old 07-19-2007, 08:25 AM   #4
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1989 25' Excella
By The Bay , Rhode Island
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I would look at the check valve at the city water inlet...does water leak out inlet when you turn the pump on?

Also as noted, check all you connections around the pump itself, lots of vibration there!

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Old 07-19-2007, 09:42 AM   #5
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1974 31' Sovereign
Orange city , Florida
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No matter what the problem... Especialy if a leak is discovered; check your galley floor or wood around pump for any water damage. Even the smallest damage willl become a problem down the road.
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Old 07-21-2007, 07:40 AM   #6
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1992 21' Sovereign
ft mitchell , Kentucky
Join Date: Jun 2007
Posts: 15
woe is me

Thanks for all the responses. I will check that pump again. The pump has hose clamp connections on it and maybe they are leaking. I used some soap suds to check for bubbles and found none at these connections but also did taste some soap at the faucet.
I still have that slow leak from the holding tank. I'm afraid the galvanized cover will corrode if I dont tackle that.
Oh yeah, my black water flush out valve is stuck and wont accept water, the cover fell off the bathroom vent, I killed 7 mice out of the trailer on vacation to Yellowstone,the front fender fell off on the way home, and the brakes stopped working(sensor reads ok then reads 00 when brakes applied) Luckily the diesel excursion has good stopping power.
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Old 07-26-2007, 09:37 AM   #7
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1992 21' Sovereign
ft mitchell , Kentucky
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simple fix

I took the pump out and found that I had misthreaded the input line when I put it back together after winterizing. I was able to file the threads into some semblance of normalcy and carefully rescrew it. Now it works fine. My wife did want to strangle me as she had 6 kids in the unit for a week with almost no water pressure.
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Old 07-26-2007, 09:50 AM   #8
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