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Old 11-06-2007, 06:33 AM   #1
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We were trying to pull the antifreeze in this weekend using the draw tube and the water pump would not pull it in. We had the water heater on bypass, the other switch by the water pump on "divert" instead of normal and opened a faucet and it wouldn't draw up the antifreeze. We added air to the small pressure tank which was supposed to be at 20 psi, but that didn't help. We are getting a new pump sent, but any suggestions if that doesn't work? This is a used motorhome that we just bought and this is our first winterization experience.
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Old 11-06-2007, 06:33 AM   #2
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We were trying to pull the antifreeze in this weekend using the draw tube and the water pump would not pull it in. We had the water heater on bypass, the other switch by the water pump on "divert" instead of normal and opened a faucet and it wouldn't draw up the antifreeze. We added air to the small pressure tank which was supposed to be at 20 psi, but that didn't help. We are getting a new pump sent, but any suggestions if that doesn't work? This is a used motorhome that we just bought and this is our first winterization experience.
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Old 11-06-2007, 07:06 AM   #3
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Have you checked to see that all drain valves are closed on your tank and water lines? Just a thought..
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Old 11-06-2007, 07:43 AM   #4
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would one of these lines being open not allow the pump to work?
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Old 11-06-2007, 07:53 AM   #5
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If it's like mine, there is a cap on the draw tube to prevent dirt getting in. See if there could be a cap blocking the draw tube.
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Old 11-06-2007, 09:25 AM   #6
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Two ideas:
First, what Donavon said. Make sure the cap is off the draw tube ( I forget that almost every time).
Secondly, on our Meridian, there is a "low point" drain next to the pump. When our pump won't draw anti freeze from the bottle, I open the valve to that drain for a few seconds and that solves the problem. I think air is being trapped in the line at the pump, and opening that drain releases it.
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Old 11-06-2007, 12:19 PM   #7
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Never could get my 99 Adventurer 34V to pull anti freeze either. Course dealer could not show me a "by-pass" for the water heater nor a low point drain. Location of the low point drain in the owner's manual does not really exist on my Adventurer. Call to Winnebago got the same response as written in the manual.
Not the same MH, but my experience.
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Old 11-06-2007, 03:52 PM   #8
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I think I may have the answer you are looking for. I had this problem last year. What I had to do was prime my water pump with anti-freeze. Turn on your water pump and use a small enough funnel to fit inside you prime tube and fill it with anti-freeze it should start sucking in the anti-freeze then remove the funnel put the anti-freeze line in the anti-freeze bottle and it should start sucking it though the line what I think might be happening is you have an air pocket in your water pump hope this helps you out. Ron
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Old 11-06-2007, 04:03 PM   #9
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From time to time my pump loses it's prime if I suck a jug empty and air is sucked into the pump. I am always able to purge the air by opening a drain valve next to the pump and relieve any back pressure.

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Old 11-06-2007, 04:10 PM   #10
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Don your wright I forgot to ad that in the post Ron
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Old 11-06-2007, 04:41 PM   #11
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I think it is an airpocket also. I usually just raise the jug as high as I can. The less it has to raise the liquid the easier it is.
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Old 11-07-2007, 04:27 AM   #12
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On our coach the selector valve in the water compartment has to be turned to "City Water Fill" to get antifreeze into the system. If the valve is in the "Water Tank" position very little antifreeze will be drawn into the system, and what does go in will go straight to the fresh water tank.
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Old 11-07-2007, 03:16 PM   #13
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">On our coach the selector valve in the water compartment has to be turned to "City Water Fill" to get antifreeze into the system. If the valve is in the "Water Tank" position very little antifreeze will be drawn into the system, and what does go in will go straight to the fresh water tank. </div></BLOCKQUOTE>

I think Hikerdogs has got the problem figured out for you. I have found this to be the biggest problem when I couldn't get my pump to work
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Old 11-08-2007, 05:51 AM   #14
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No luck!! We replaced the water pump and tried to prime the pump by filling the tube with a funnel. We actually used two gallons of antifreeze trying to get it primed and it still would not draw out of the jug. We must have something else wrong. The water switch is set to City Water Fill, all the drains are closed. When we have the pump running and it is turned to "normal operation" you can hear gurgling at the faucet, when we turn it to "divert" to draw out of the tube, the gurgling stops and nothing. I think we are going to do the air/blow out method. The antifreeze method sounded so easy with the divert tube, but it will not work and we live too far from a dealer to just run the motorhome in for help.
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