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Old 08-19-2009, 09:33 AM   #1
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Water Pump Runs Continuously

Just discovered my water pump is running continuously. This must have just started because I was in it just yesterday and it wasn't running. Also turned on the water and the pressure seems a little low. Any ideas as to what would cause this?

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Old 08-19-2009, 10:03 AM   #2
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Make sure you have water in the fresh water tank. If so, then look for a broken hose. Pump will stop when it has back pressure. Without water it will not turn off.


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Old 08-19-2009, 11:15 AM   #3
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Also if the pump has water and still won't turn off, it could be bad. Depending on what type of pump you have, they are either a series of diaphrams or a single diaphram if it is the older type, and they all have check valves internally. If the check valves start leaking, or a diaphram fails, they will run continously.
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Old 08-19-2009, 12:57 PM   #4
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Thanks guys. May be time for a new pump.
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Old 08-19-2009, 01:05 PM   #5
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I see you have a newer trailer. Don't know about the new pumps, but you could by parts to repair the older ones. Might be worth a call to a dealer, as they are easy to work on.
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Old 08-19-2009, 01:13 PM   #6
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Originally Posted by craftsman View Post
Thanks guys. May be time for a new pump.
Unless you have freeze damage, I'd be surprised if your 2007 already needs a new pump. You may have an intake problem like I'm presently having with mine. A fitting on the intake side of your pump may have a crack or even the hose itself. It may also be as simple as tightening down a clamp to ensure an airtight fit.
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Old 12-01-2009, 11:38 AM   #7

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We developed a leak under the bathroom sink between the back of the cabinet and inner skin. A connection on the outside manifold/one way valve was cross threaded, road vibration probably loosened it and it started to leak.
I noticed water dripping outside behind the roadside rear axle.
It was the rear plastic thumbnail fitting you see in the photo. Was able to stop the leak by un-screwing, coating the threads with two part construction adheasive and re-connecting.
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"Sticks & stones can break your bones...and hail will dent your Airstream"

So when is this..."old enough to know better" supposed to kick in?
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