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10-24-2012, 07:20 PM
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#1
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Junior Member
Join Date: Jun 2012
Location: Norman, OK
Posts: 27
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Still Stumped by Water Pump
We haven't been able to get anything but air from the house water pump in our 2002 Sea Breeze Scout for a while. The FWT is full. We pulled the water utility panel and checked connections. Everything is tight and no leaks. Neither of the hoses going to the pump had a screen on it or in it. You can see water and air bubbling in the tank side hose right where it fits into the pump. City water works fine. Is there anything else left to try other than replacing the pump? Thanks for any thoughts on the problem.
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SBScouter
2002 Seabreeze Scout
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10-24-2012, 07:22 PM
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#2
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Senior Member
Join Date: Jul 2012
Location: Missouri
Posts: 109
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Water and air bubbling in the tank where the pump hooks up? Sounds like the pump may be wired backwards and is blowing air into the tank.
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Bruce & Sarah, 2018 Keystone Sprinter 319MKS, 2016 Ram 2500HD 6.7L Cummins, 1997 Ranger Rebel I/B Jet Bass Boat (not at the same time) 
St. Charles, MO.
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10-24-2012, 07:27 PM
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#3
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Senior Member
Join Date: Feb 2012
Location: Baton Rouge, LA
Posts: 1,202
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Do you have a pass valve you use to fill the fresh water tank from the city water hose inlet? If so, you might have the valve in the wrong position.
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Jim and Lynda, (Sophie, Jake, attack trained killer Shi-Tzus :-))
2003 Fleetwood Expedition 38N 2005 Saturn Vue
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10-24-2012, 07:35 PM
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#4
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,750
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Or, the valve that is used for sucking anti-freeze into the pump, turned the propper way?
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Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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10-24-2012, 07:39 PM
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#5
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Senior Member
Tiffin Owners Club Pond Piggies Club Ford Super Duty Owner
Join Date: Dec 2004
Location: Mentor Ohio
Posts: 875
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Quote:
Originally Posted by 96 Wideglide
Or, the valve that is used for sucking anti-freeze into the pump, turned the propper way?
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X2...
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2012 Tiffin Allegro 34TGA
2013 Jeep Wrangler Sport
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10-24-2012, 08:16 PM
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#6
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Junior Member
Join Date: Jun 2012
Location: Norman, OK
Posts: 27
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Thanks for the suggestions. The pump can't be hooked up wrong. It worked fine until it suddenly didn't. Suspiciously, not long after we filled the FWT the last time. Switching the lever from tank fill to city water doesn't make a difference. I'm pretty sure the inlet to tank lever is in the correct position (directly down, like the city water lever), but that's the first thing I check tomorrow.
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SBScouter
2002 Seabreeze Scout
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10-24-2012, 09:12 PM
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#7
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Senior Member
Holiday Rambler Owners Club
Join Date: Aug 2010
Posts: 9,750
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Just checked mine, and it's horizontal.
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Ben & Sharon
2008 43' Holiday Rambler Scepter PDQ
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10-24-2012, 09:34 PM
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#8
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Senior Member
Monaco Owners Club
Join Date: Jan 2012
Location: Durant, Ok
Posts: 403
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Most of these little 12V pumps have internal Check-Valves that wear out with time. Your symptoms are consistent with dysfunctional check-valves.
Your local RV part supplier can probably set you up with the Rebuild Kit for your pump.
Good luck
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2007 40ft Phaeton, Cat 350 hp
Dingy - 2021 Gladiator Rubicon
Keith & Shirley,Durant, OK
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10-25-2012, 09:51 AM
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#9
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Senior Member
Join Date: Mar 2009
Location: N. Central AZ
Posts: 548
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What about the pump inlet lever?
H
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'01 National RV Tropi-Cal, Ford V10, '01 Suzuki GV 4X4 Blue Ox Tow Bar,300 Watts Solar, 2500 Watt '458' Inverter, NO TVs, Most light fixtures upgraded to LEDs
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10-25-2012, 10:09 AM
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#10
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Senior Member
Join Date: Jul 2005
Posts: 188
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If you have a out side shower check those valves. I had one sucking air once.
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Don and Patrice 2006 Journey 36
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10-28-2012, 05:35 PM
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#11
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Junior Member
Join Date: Jun 2012
Location: Norman, OK
Posts: 27
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Problem Solved...Still Bad Pump
Well, it turned out to be the inlet to pump lever, as several posters suggested. It was set for "inlet to pump" instead of the normal operating position, which is horizontal and labelled "tank to pump." Once we changed to tank to pump, the pump started pumping water instead of air. Then we remembered why we had changed the position of the lever. When the pump shut off, water started spewing out from behind the utility panel. Once we got the panel off, we discovered the stream of water was actually shooting out of the pump. Briefly considered a rebuild kit but went with the new pump ($120) instead. Thanks to all for the help.
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SBScouter
2002 Seabreeze Scout
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