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Old 05-04-2016, 11:26 AM   #1
Minnesota Newbie
2016 19' Flying Cloud
St. Paul , Minnesota
Join Date: Sep 2015
Posts: 10
Blog Entries: 1
Leak in black water flange

We are on the road in first trip with our upgrade to 19' FC. I noticed a drip in the flange that connects the black water pipe to the underbelly. We're still under warranty but t far from airstream dealer. Looking for advice, seems I have several options:
  • Take it to SOB service center (would have to pay for repair)
  • Catch the drips and empty regularly until we get to airstream dealer
  • Try to caulk it myself

Any advice is welcome.

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Old 05-04-2016, 11:37 AM   #2
Rivet Master
1995 25' Excella
xxxxx , xxxxxx
Join Date: Apr 2015
Posts: 677
The leak is probably gonna be at the clamp joint behind the belly pan. Caulk won't fix it. I would just use a catch pan and let a dealer fix it.

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Old 05-04-2016, 01:03 PM   #3
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1991 34' Excella
Princeton , New Jersey
Join Date: Aug 2003
Posts: 6,323
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Do not caulk until you know for sure where the water is coming from. It may be a leak above the belly pan and just exiting at that point.

The pan may need to be dropped to determine where the water is coming from.
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles

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Old 05-06-2016, 07:17 AM   #4
1 Rivet Member
2015 22' FB Sport
Savoy , Texas
Join Date: Apr 2016
Posts: 10
Does it appear that the drain hit the ground? Our 22fb is close to the ground also.
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Old 05-06-2016, 11:55 AM   #5
Cajun Traveler
2014 27' FB International
Slaughter , Louisiana
Join Date: Nov 2014
Posts: 4
Mine leaked but it was leaking from the rubber flange inside the underbelly. All they had to do was drop the underbelly and tighter the clamp holding the rubber flange to the holding tank. The airstream dealer did it while waited. Your problem seems minor.hope I'm correct.
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Old 05-07-2016, 06:18 AM   #6
Minnesota Newbie
2016 19' Flying Cloud
St. Paul , Minnesota
Join Date: Sep 2015
Posts: 10
Blog Entries: 1
Thanks all for replies. I was able to determine its a fresh water leak. If I disconnect the city water input, the drips stop. Hopefully it will be an easy fix once I get to a dealer.


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