Woodalls Open Roads Forum: Class A Motorhomes: How to Find Source of Leak
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 > How to Find Source of Leak

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USMC46

Montana

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Posted: 11/01/09 05:24am Link  |  Quote  |  Print  |  Notify Moderator

Last week I sat through a heavy wind and rain storm in Houston, maybe 6-8 inches in a few hours. Discovered water dripping down around a couple of electrical outlets in the top of a storage compartment above the passenger seat where stereo/dvd is housed. I caught maybe a half to three fourths of a cup of water. No sign any of the equipment was wet. It was a slow drip but still alarming. What is the best way to find the source of the leak. I assume it is the roof, or more probably a seam around the cap ? Or somehow from where the A/C unit attaches ? Any ideas welcome. Thanks.
Jim


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Lt46

Cape Cod, Ma.

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Posted: 11/01/09 05:39am Link  |  Quote  |  Print  |  Notify Moderator

Given the location, I'd have a look at the marker lights as well as the cap/roof seam. Wouldn't rule out a windshield leak either.
Some shops use the SealTech machine to find leaks. Basically, an air hose is brought into the coach and pressurizes the interior. A tech with spray bottle of soapy solution moves around the coach spraying and watching for air bubbles. Somewhere on this site I've seen a home/DIY set-up using a leaf blower. Removed a window screen, cut a piece of paneling to fit opening with a hole cutout, the size of the leaf blower nozzle. Reported to have good success.


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