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05-05-2008, 05:03 PM
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#1
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Junior Member
Join Date: May 2008
Location: USA/Canada
Posts: 3
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The water pump does not pump water after the fresh water tank was empty or near-empty.
The pump makes a little noise but there is no water being dispensed. The noise is not near what it used to be when the pump was working. When the water pump switch is turned on at the control panel, we can hear the pump start to run, without even opening a faucet.
We think it has lost its prime. If that is the case, is there a correct way to re-prime the pump? It is a Shur-Flo 5.7 water pump.
We are fairly new to RVing and would love a non-technical solution, if possible, or is this something we should take to the dealer?
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05-05-2008, 05:03 PM
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#2
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Junior Member
Join Date: May 2008
Location: USA/Canada
Posts: 3
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The water pump does not pump water after the fresh water tank was empty or near-empty.
The pump makes a little noise but there is no water being dispensed. The noise is not near what it used to be when the pump was working. When the water pump switch is turned on at the control panel, we can hear the pump start to run, without even opening a faucet.
We think it has lost its prime. If that is the case, is there a correct way to re-prime the pump? It is a Shur-Flo 5.7 water pump.
We are fairly new to RVing and would love a non-technical solution, if possible, or is this something we should take to the dealer?
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05-06-2008, 04:45 AM
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#3
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Senior Member
Join Date: Jun 2006
Posts: 1,032
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Not totally sure of your question? Water pump does not work when the tank is nearly empty? That can be normal if the pickup tube is short and not sitting on the bottom of the tank.
Water pumps always cycle for a few seconds when first turned on. This pressureizes the system. Shurflow pumps are suppose to be self priming, so nothing else should need to be done. Have you checked/cleaned the filter?
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Don and Lorri
2007 Dodge 3500 dually
Saigon International Airport 1966/67
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05-06-2008, 04:51 AM
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#4
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Community Administrator
Appalachian Campers
Join Date: Jan 2000
Location: Buladean, NC
Posts: 8,154
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If it doesn't pick up a prime and start pumping after adding water to the tank, say about half full or so, look for a loose clamp or fitting on the suction side of the pump. Sometimes connecting to city water and pressurizing the plumbing, then cutting the city water off and trying the pump will get it primed.
Keep fiddling with it, it should catch and start after a few mines.
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'11 GMC Acadia SLT AWD
'11 GMC Sierra 1500 4x4 Extended Cab
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05-06-2008, 05:08 AM
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#5
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Moderator Emeritus
Texas Boomers Club
Join Date: Jul 2000
Location: Cypress, Texas USA
Posts: 6,626
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Just an "off the wall" possibility....if the unit was winterized, is there a possibility that the supply valve from the tank on the suction side of the pump is still shut off? You might even find that the anti-freeze syphon line valve is still open so that the pump is just pulling air. If the pump hasn't been used since last fall, it might be worth checking.
Rusty
__________________
2011 Dodge Ram 3500 Laramie Cummins 6.7L/6 speed auto/4.10LS crew cab LB dually
2004 Doubletree Mobile Suites 36RE3 5th wheel
Come join us on a TEXAS BOOMERS rally!
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05-06-2008, 07:03 AM
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#6
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 4,925
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Welcome to irv2.com and the extended family of RVers! You have received nearly every possible answer to your question in the previous replies.
__________________
"As nightfall does not come at once, neither does oppression. In both instances there is a twilight where everything remains seemingly unchanged. And it is in such twilight that we all must be aware of change in the air - however slight - lest we bec
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05-07-2008, 05:11 PM
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#7
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Junior Member
Join Date: May 2008
Posts: 1
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I just had to replace my shurflo 5.7 on its second outing. it was sucking air in around the head and i couldn't see the little bit of water it was leaking due to the confined space. Look at the head real close at the seam to see if there is any sign of a leak.
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05-08-2008, 03:15 PM
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#8
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Junior Member
Join Date: May 2008
Location: USA/Canada
Posts: 3
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Went to a wonderfully accommodating NuWa dealer, Tradewinds, in Ocala, FL, and they found there was a crack in the filter housing. All fixed - like new.
They were so polite and efficient - so nice to fit us in when their schedule was full for the day (we had called the day before). We were just traveling through on our way to Titusville, so we were very pleased.
Thanks for responding.
cts
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