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Old 09-14-2012, 09:48 AM   #1
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Alpine Owners Club
Join Date: Apr 2010
Posts: 8
freshwater in tank, but no water

Hi folks, I have a 2004 Alpine 34 pusher. We took it out for the first time and had a problem with the freshwater tank. When the water level got down to 1/4 tank, the pump was not able to pump water anymore. The pump was running and the level was at 1/4 tank, but no water. Added a little water to the tank and the pump was able to pump water. Does anyone out there know if there is another valve that I should be dealing with? Do RVs have a water pick up in the tank? Any info is much appreciated.
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Old 09-14-2012, 09:58 AM   #2
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Gulf Streamers Club
Join Date: Jan 2012
Location: Cincinnati
Posts: 19,927
Usually the tank just has a hose outlet at the bottom or near the bottom of the tank. Was the RV level? outlet on the 'high side' could cause the issue, but most likely, the level sensors are notoriously inaccurate. You could check by finding the low point drain valve and the next time this happens, open the valve and see how much more water escapes.

Bob & Donna
'98 Gulf Stream Sun Voyager DP being pushed by a '00 Beetle TDI
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Old 09-14-2012, 10:02 AM   #3
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I did have a visual on the water level and the gauge was correct. There was about 1/4 tank of water left. The MH was level.
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Old 09-14-2012, 10:25 AM   #4
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Forest River Owners Club
Ford Super Duty Owner
Join Date: Mar 2005
Location: San Diego County, California
Posts: 845
Maybe the pump lost it's prime. Happens sometimes. When this has happened, I have run an open faucet an after a minute or so you hear the pump noise change as it slowly begins to pick up the prime and move water again.
Steve & Leslie
Forest River 2018 Forester 3011DS
Honda 2010 CR-V AWD "Toad"
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Old 09-14-2012, 12:10 PM   #5
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Ford Super Duty Owner
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The fact that it started working when you added water, says you were low. Check your tank and find where the water line to the tank comes out. On my motorhome it is on the street side. My motorhome can look level, but if it is slightly off level, it will stop pumping with a quarter tank of water.
1998 Pace Arrow 35 ft. F53 Ford V10 2014 Honda CRV toad
32 years mechanic at Delta Air Lines 15 year motorhome service manager. 3 popups....2 travel trailers....5 motorhomes....loved them all.
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tank, water

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