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M380 (Unique Issues) If you have a unique issue with your M380 model coach and it can't be answered in one of the other forums here, then this is where you can list it.....list your M380 Parts here too.

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  #11  
Old 04-13-2015
Ernest Ekberg's Avatar
Ernest Ekberg Ernest Ekberg is offline
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good point. I'm sure it can be done. thinking outside the box is good
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  #12  
Old 04-13-2015
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White Hat Guy White Hat Guy is offline
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Quote:
Originally Posted by BBERIC35 View Post
I do not mean to blaspheme, but has it ever occurred to anyone to just plug the drain holes under the AC's so the condensate drains on the roof and not to the wheel wells? That's what happened on my old FC and I never had a leak problem. There are gutters on each side of the M380 that should direct the water to front or back where it can drain to the ground. I don't understand why BB built the coaches this way and why we are determined to keep this system working. Your thoughts?
Eric, A/C condensation pouring off the roof would not look good and BB did not want their handiwork to look bad.
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1994 WLWB 40/2001 Honda CRV
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  #13  
Old 04-13-2015
dentmac dentmac is offline
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I believe that the "Pan" is below the level of the roof so plugging the holes would overflow the "Pan" Same problem....water into the coach.
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Ross MacKillop
2006 450 LXi
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  #14  
Old 04-13-2015
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Randy Dupree Randy Dupree is offline
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the ac unit has holes in the pan,which line up with holes in the roof,theres a rubber donut that seals the two together,take the donut out and tape over the hole in the roof.
now the water runs off the roof.
Maybe not on a 450,but on most birds.
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  #15  
Old 04-23-2015
BBERIC35 BBERIC35 is offline
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Agree Randy. That's what I was thinking could be done. I'll give it a try and report on the results.
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Eric Johnson
San Antonio, Texas
2004 M380 Owner
1984 FC35 SB Wanderlodge II (sold)
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  #16  
Old 04-23-2015
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Default Clogged Condensation Tubes

Quote:
Originally Posted by BBERIC35 View Post
Actually the source isn't rain, it's condensate from the A/C units. This problem has cropped up several times since we got the coach. The water drips out of a passenger side ceiling spot fixture in the front of the coach and out of a driver side ceiling spot in the bedroom. I can see condensate dripping from the drivers side tubes in the front and rear wheel wells, but the problem persists. It's become a very steady drip right above my head as I lay in bed. Kinda irritating Been up on the roof and removed the rear A/C shroud but couldn't figure out where the water is getting in between the roof and the ceiling. Anyone else have this problem? Do you know a fix?
Put compressed air on the drain tubes and blow air through. I had this problem and it was a clog at the air conditioner drain that would not allow the water to flow so the pan overflowed and came through the lights. A little air up the tube behind the tire fixed it immediately.
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Brent Frey
Lewisberry, PA
2003 M380
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  #17  
Old 04-26-2015
BBERIC35 BBERIC35 is offline
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Good tip Brent. I had tried that earlier based on a suggestion from a Prevost owner of all people! Didn't seem to help, although I haven't had any more leaks up front since then. I noticed when I opened up the evaporator section on the rear unit, the insulation was coming loose from the inside of the sheet metal cover. I read somewhere that a dirty evaporator coil can cause the fan to pull a vacuum that will prevent proper draining down the tube. If the insulation is laying on the coil, that could surely do the same thing. Coach is in storage and I haven't had a chance to work on this problem lately. Thanks for the help.
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San Antonio, Texas
2004 M380 Owner
1984 FC35 SB Wanderlodge II (sold)
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  #18  
Old 05-06-2015
BBERIC35 BBERIC35 is offline
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On this trip to Port Aransas, our A/C's both drained properly through the drain tubes with no leakage into the coach. At this point, my best hypothesis is that there was some restriction due to mold or mud dauber nest, etc that finally washed out. Love it when the coach heals itself. Hoping this is the last of this problem.
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Eric Johnson
San Antonio, Texas
2004 M380 Owner
1984 FC35 SB Wanderlodge II (sold)
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  #19  
Old 05-12-2015
BBERIC35 BBERIC35 is offline
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Guess what? The coach didn't heal itself. I finally found that the water was just going somewhere else. Showed up in the cabinets above the bed rather than a ceiling spot. Took down the rear A/C cover and duct so I could use a bore scope to search for the source. Turned out the source of the leak was where the plastic drain tube passed across a sharp edge in the aluminum roof. I see no advantage to tearing into the roof panels to fix this BB error. I will go forward with the rooftop solution I proposed earlier and abandon the drain tubing.
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Eric Johnson
San Antonio, Texas
2004 M380 Owner
1984 FC35 SB Wanderlodge II (sold)
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