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Old 03-27-2017, 07:53 PM   #1
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Water back up in tub - tanks empty

I have a 2016 Coachmen Freedom Express and it is new ( only used 2 times last fall). I unwinterized this past weekend and the antifreeze is backing up in the tub. I let it sit (level) until today and still same antifreeze in tub. Tried using plunger to no avail. Any ideas????
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Old 03-27-2017, 08:12 PM   #2
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Hook up drain hose, place in 5 gal. bucket and open gray tank valve for a little. ????
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Old 03-27-2017, 08:16 PM   #3
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Drain hose on tank dump or like a siphon hose?
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Old 03-27-2017, 08:18 PM   #4
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Drain the tank into the bucket to MAKE SURE it is empty. Do you have more than one tank for gray, a galley tank? Not sure what the Freedon Expres has.
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Old 03-27-2017, 08:22 PM   #5
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Just a gray tank and black tank. I opened gray tank and ran sinks for 30 minutes to flush antifreeze. No problems then I noticed probably half a gallon of pink in the tub and closed the tub drain. When I open it nothing happens. No water comes out of gray tank drain.
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Old 03-27-2017, 08:28 PM   #6
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Just for giggles, open the black tank drain and see if it has water in it.
I have seen instances were things got plumbed to the wrong tank.
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Old 03-27-2017, 08:28 PM   #7
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So when you say the AF is sitting in the tub, nothing is draining or am I misreading? Not sure how it could get a clog over the winter if it ran fine before the winter. Do you get resistance in it when plunging? Can you get a fish or something in it GENTLY to make sure you do not feel and obstruction or get to the trap under the tub?
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Old 03-27-2017, 08:29 PM   #8
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Quote:
Originally Posted by Flybob View Post
Just for giggles, open the black tank drain and see if it has water in it.
I have seen instances were things go plumbed to the wrong tank.
Good point
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Old 03-27-2017, 08:30 PM   #9
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I thought of that. Black tank also empty.
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Old 03-27-2017, 08:32 PM   #10
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We bought in right before cold weather. The shower was used 3 times. Winterized and now the AF just sits there. It back up into the tub from runners my the sinks. I am no plumber but new plumbing plus it worked fine last winter.
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Old 03-27-2017, 08:47 PM   #11
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dead mouse or critter over winter in tub drain? Mouse building nest hauling in debris? Hard to believe a little would not flow?
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Old 03-27-2017, 08:49 PM   #12
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Hadn't thought of that. How would you suggest checking that ?
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Old 03-27-2017, 08:50 PM   #13
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Not a drop will drain. Even tried with a plunger. Zip
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Old 03-27-2017, 08:51 PM   #14
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Fish in the pipe, or inspection camera. I have an acess panel next to my tub I can remove to get tot he tub trap. Remove it and look into the trap?
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Old 03-27-2017, 08:58 PM   #15
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Do you by any chance have a remote handle on your grey tank drain. If not check to insure that the blade/gate in the drain valve is actually moving and not stuck and just the handle and the rod are moving.
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Old 03-27-2017, 09:12 PM   #16
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If you can remove the drain cover, you could try a Cobra Plastic Drain Snake and see it you can pull anything out with it. It would not damage any of the pluming lines.

https://www.lowes.com/pd/Cobra-Plast...tick/999908745
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Old 03-27-2017, 09:25 PM   #17
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I had a 2009 Freedom Express and the grey always drained very slowly. Eventually I took the drain valve apart and found they had left the seal disks in it. The plastic disks prevent the rubber seals from deforming during shipment and are supposed to be removed when the valve is installed.
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Old 03-27-2017, 09:25 PM   #18
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Thanks flybob I will check that
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Old 03-27-2017, 09:26 PM   #19
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I will check that. It's under warranty so I am gonna take it over in the morning and let them figure it out. Thanks for all the tips.
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Old 03-27-2017, 09:46 PM   #20
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Please report back of what was found...
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