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Old 10-10-2015, 04:55 PM   #1
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2013 30' Flying Cloud
Cincinnati , Ohio
Join Date: Sep 2012
Posts: 191
leak from under kitchen sink - gasket?

Relatively new 2013 Flying Cloud 30. I have a leak under the kitchen sink. All of the pipes in the P-traps are tight and that does not appear to be where the leak is coming from. It seems like the water is coming from the base of the sink where the drain is. There looks to be a gasket in there that is the source of the leak. Can anyone help with how to take this apart to get access to the gasket and replace it? It looks like the drain is glued in. I donít want to try to cut this out if I donít have to.


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Old 10-12-2015, 10:53 AM   #2
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2008 25' Classic
Wichita Falls , Texas
Join Date: Nov 2012
Posts: 4,273
I would think it just like the sink you your home. Unscrew the P trap and then unscrew the drain from below the sink to remove from the top. You can use plumbers putty between the sink lip and the drain. As you tighten the putty squeezes out. Remove the excess. Hook up the P trap and test for leaks.


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Old 10-12-2015, 11:26 AM   #3
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Old 08-01-2017, 11:10 AM   #4
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2017 23' Flying Cloud
Danville , California
Join Date: Sep 2016
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Leaking sink on 2017 FC as well

Have had a leak under the sink as well on a 2017 23' FC. Checked all fittings and dealer even pressure tested. I'll try the gasket on the drain, but what about the sink itself? i.e., no silicone or sealant put in the rim of the sink when installed.

Anyone run into this?
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Old 08-01-2017, 12:00 PM   #5
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2012 25' FB International
Trent Woods , North Carolina
Join Date: May 2013
Posts: 1,687
I had the same leak after about 3 years. I unscrewed the drain fitting from the sink and found that Airstream had not used any plumber's putty when installing it. The putty goes between the sink and the drain fitting, assuring no leakage. All is well, now.
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Old 08-01-2017, 12:43 PM   #6
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2017 26' Flying Cloud
Missouri Valley , Iowa
Join Date: Sep 2008
Posts: 354
My 2017 26U Flying Cloud has an intermittent leak under the galley sink. But mine is caused by the drain tubing being cut too short so that the drain won't tighten squarely against the bottom of the sink. I'll fix it myself by lengthening the vertical drain pipe an inch or so. QC not so good on this drain. But most everything else is good - so far !!


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