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Old 07-13-2007, 04:48 PM   #1
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86 coleman AC is leaking water inside

Hello all,

I just went into my parked Airstream and found that it has been leaking around the AC shroud on the inside. We have had several inches of rain in Oklahoma in the past weeks. But, about 2 months ago we were camping and using the AC when I noticed that it was leaking water into the trailer (no rain then). From that experience, I thought the leaking problem only occurred when running the AC. So, today I ran the ac and even more water began pouring out of the bottom shroud. After running the AC for 5 minutes the water has now stopped.

Any thoughts?

Greg
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Old 07-13-2007, 04:54 PM   #2
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Originally Posted by 85Sovereign
Hello all,

I just went into my parked Airstream and found that it has been leaking around the AC shroud on the inside. We have had several inches of rain in Oklahoma in the past weeks. But, about 2 months ago we were camping and using the AC when I noticed that it was leaking water into the trailer (no rain then). From that experience, I thought the leaking problem only occurred when running the AC. So, today I ran the ac and even more water began pouring out of the bottom shroud. After running the AC for 5 minutes the water has now stopped.

Any thoughts?

Greg
The exterior gasket between the AC and roof needs to be replaced.

Andy
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Old 07-13-2007, 05:26 PM   #3
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Yup.. Bad Gasket...

It's a 14" square foam thing that looks like a clunky picture frame... As it ages, it hardens, and finally stops working as a flexible foam water barrier... Rain could get in, you could confirm it by sraying a hose at bas of A/C and it would leak, or it also leaks when condensate supposed to go elsewhere leaks past it into trailer...

Part costs about $15 to $20 "uninstalled".. Takes an hour or two of labor to unbolt unit from above and lift off roof, clean up remains of uold gasket, and install new one, then re-assemble... If non-airstream dealer or shop tries to do it, be very careful about weight on roof and scaffolding (strongly recommended to get up there) or you'll have several large dents and more leaks in your roof. The roof panels of aluminum can not support a human foot or knee without caving in...
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Old 07-13-2007, 06:10 PM   #4
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Rivet I got lucky with mine.

Hi Greg,

Can you see exactly where the leak is? I had a similar leak the first time it rained after I bought the Excella in January. It turned out to be coming from a small crack in the plastic drip pan. A dab of sealer from below solved the problem without even getting on the roof.

Vaughan
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Old 07-13-2007, 07:04 PM   #5
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Thanks for the help. I've been out looking at the unit. When I turn it on, after about 2 minutes, water starts running pretty good down the side of the unit. I can not tell where it is coming from. When I turn it off, the water stops. Is this still a gasket issue that requires removal of unit? Is there some kind of pan that this water is supposed to be dripping into and then drain out the side of the unit? Can I fix this from inside the trailer?

Greg
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Old 07-13-2007, 07:15 PM   #6
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Greg,
Your unit should have a drain hose. I'd check the under belly of your unit and, upon finding the hose (near the galley's window?)...run a coathanger in it to clear any blockage..Try that and, see if that helps. Otherwise, th blockage could be topside at the drain pan. Good luck on finding the problem.
ciao,
53FC
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Old 07-13-2007, 08:28 PM   #7
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That is what I'm thinkin. I did see a black hose that is connected to the bath side of the unit. It is connected with a hose clamp and then disappears into the roof, running toward the bath side of the trailer. I assume this is the drain hose.

Greg
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Old 07-14-2007, 02:07 PM   #8
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That’s it all right. I found a piece of multi strand electrical wire that has some flexibility works well. I just had the clog problem recently. Good luck.

Vaughan
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Old 07-17-2007, 09:11 AM   #9
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Originally Posted by 85Sovereign
That is what I'm thinkin. I did see a black hose that is connected to the bath side of the unit. It is connected with a hose clamp and then disappears into the roof, running toward the bath side of the trailer. I assume this is the drain hose.

Greg
Greg,
Different year models most likely....
The important thing is..
By now you have the problem fixed??
Good luck..(keep dry)
53FC
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Old 07-17-2007, 02:36 PM   #10
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The Coleman TX's had a drain hose that ran down side of trailer (usually between inner and outer sheet metal.) and drained ahead of wheels...

Even if it is clogged, in order for water to come into trailer primary gasket seal (around the square opening in roof) is probably bad. You might get lucky with sealant on crack in pan, but the useful life of the gaskets is roughly 10 to 15 years, so you are probably not going to avoid it. If rain comes in as well, that is not good sign for avoiding gasket fix... Cheer up, it's only a $120-200 repair at a shop, and could be worse...
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Old 08-26-2007, 06:44 PM   #11
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I just recently fixed the same problem. turned out I had a kink in the drain hose right at the a/c unit. i straightened out the kind and cut the hose a bit so it would no longer be pushed into the position that was kinking it. I also put a hose clamp around the kind to help it regain its shape.
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