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10-22-2017, 04:37 PM
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#1
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Rivet Master
1992 29' Excella
Virginia Beach
, Virginia
Join Date: Jul 2012
Posts: 747
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Leak from ac inside.
It's not from the condenser. It happens when it rains. The leak is coming from above the inside skin but out through the AC opening.
It was not leaking at the time of this picture, but I'm pointing to the place the leak occurs. Not sure of the origin, thus the post.
__________________
Pete
Virginia Beach, VA
1992 29' Excella Classic
TV 2006 Dodge Ram 2500
Mega Cab Diesel 4x4
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10-22-2017, 04:47 PM
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#2
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Rivet Master
1994 34' Excella
Warren
, Manitoba
Join Date: Apr 2006
Posts: 1,244
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Make sure that the A/C bolts that hold the unit in place are tightened. If I remember correctly they have to be 6 ft/lb. Had the same problem and tightened the mounting bolts up and problem went away. It seems that these bolts manage to get loose over time, and possibly the gasket shrinks as well. There are either 3 or 4 bolts on the unit. Good luck!!
__________________
ACI #7394
2012 GMC 2500 HD Duramax Denali
1994 Excella 34'
1987 Limited 34', 1976 31', 1976 Argosy 22' Gone to new homes
Hensley Hitch
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10-22-2017, 05:30 PM
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#3
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4 Rivet Member
1995 30' Excella
Harper Woods
, Michigan
Join Date: Aug 2017
Posts: 314
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hmm, I have the opposite problem. The PO over-tightened the bolts at some point. I loosened them and retorqued them with an accurate beam wrench to 50 inch-lbs as specified in the installation. I'm waiting for a rain to see if the slow drip has stopped. If it doesn't, I haven't decide what to do, this late in the year. Fortunately, it drips into the support c-channel instead of the insulation between the skins, and so a pail would catch it.
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10-22-2017, 05:46 PM
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#4
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Rivet Master
1995 25' Excella
xxxxx
, xxxxxx
Join Date: Apr 2015
Posts: 2,349
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My trailer had a minor leak like that. Tightening the bolts did not help. I did not want to pull the AC to replace the gasket for such a minor leak. My trailer has the Airstream plastic drip pan. I got on the roof and put a piece of rope caulk around the edge of the pan. The leak stopped. If and when, I decide to pull the AC, the rope caulk will easily come right off.
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10-22-2017, 10:37 PM
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#5
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Rivet Master
1992 29' Excella
Virginia Beach
, Virginia
Join Date: Jul 2012
Posts: 747
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Quote:
Originally Posted by CBWELL
Make sure that the A/C bolts that hold the unit in place are tightened. If I remember correctly they have to be 6 ft/lb. Had the same problem and tightened the mounting bolts up and problem went away. It seems that these bolts manage to get loose over time, and possibly the gasket shrinks as well. There are either 3 or 4 bolts on the unit. Good luck!!
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I was considering the same thing. Could you direct me on how to access the bolts in question?
Regards,
Pete
__________________
Pete
Virginia Beach, VA
1992 29' Excella Classic
TV 2006 Dodge Ram 2500
Mega Cab Diesel 4x4
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10-22-2017, 10:44 PM
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#6
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Rivet Master
1995 25' Excella
xxxxx
, xxxxxx
Join Date: Apr 2015
Posts: 2,349
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Take the plastic air box on the ceiling down and you see them.
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10-22-2017, 11:11 PM
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#7
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Rivet Master
1992 29' Excella
Virginia Beach
, Virginia
Join Date: Jul 2012
Posts: 747
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Quote:
Originally Posted by CRH
Take the plastic air box on the ceiling down and you see them.
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Thanks, much appreciated.
Pete
__________________
Pete
Virginia Beach, VA
1992 29' Excella Classic
TV 2006 Dodge Ram 2500
Mega Cab Diesel 4x4
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10-23-2017, 07:25 AM
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#8
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4 Rivet Member
1995 30' Excella
Harper Woods
, Michigan
Join Date: Aug 2017
Posts: 314
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Quote:
Originally Posted by CRH
My trailer had a minor leak like that. Tightening the bolts did not help. I did not want to pull the AC to replace the gasket for such a minor leak. My trailer has the Airstream plastic drip pan. I got on the roof and put a piece of rope caulk around the edge of the pan. The leak stopped. If and when, I decide to pull the AC, the rope caulk will easily come right off.
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I have been considering that fix. The rope caulk that I've seen is the Mortite clay-like material. Does it, or should I ask how soon does it, dry out? I have also considered using Execel sealant that adheres well and can be used on wet surfaces, but the road side is obstructed by the fume baffle. I suppose that I could rig up an extension for the caulking tube tip, but that would likely pop off since there is so much resistance to flow. So maybe the rope caulk will be the best option for treatment at this point.
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10-23-2017, 08:30 AM
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#9
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Rivet Master
1995 25' Excella
xxxxx
, xxxxxx
Join Date: Apr 2015
Posts: 2,349
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Rope caulk doesn't really dry out or if it does it takes a long time. It sticks well where you press it, but will peel off easily if you want to remove it....There is no way, I would apply liquid caulk. It's too much of a mess to remove later.
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10-23-2017, 03:20 PM
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#10
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Rivet Master
1986 25' Sovereign
Southern Middle
, Tennessee
Join Date: Mar 2002
Posts: 3,319
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Had the same thing happen to my AC but thought the drip tube was plugged up. It wasn't that. I looked at the AC shroud and found that a cluster of 3 acorns fell on top and tore out an 8" triangular shaped hole. The acorns were still attached to the small limb. When it rained, water went straight down one of the mounting beams and into the trailer.
__________________
Craig
AIR #0078
'01 2500hd ext. cab, 8.1 litre gas, 5 sp. Allison auto
3.73 rear end
Mag-Hytec rear diff cover
Amsoil Dual by-pass oil filtration system
Amsoil synthetics all around
265 watt AM Solar, Inc. system
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10-24-2017, 07:05 AM
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#11
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4 Rivet Member
1995 30' Excella
Harper Woods
, Michigan
Join Date: Aug 2017
Posts: 314
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In anticipation of heavy rain, yesterday I went up and laid the rope caulk around the AC unit. I was just able to fit my arm into the space between the baffle and unit by laying down. I found that a gloved finger or the handle of a toothbrush dipped in mineral spirits was effective in smoothing the rope caulk. Also, I found a couple of hairline cracks in the upper shroud, and these were sealed with Lexel transparent sealant. (I mistakenly called it 'Execel' in the post above.) There were no leaks today.
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10-24-2017, 09:21 AM
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#12
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Rivet Master
1995 25' Excella
xxxxx
, xxxxxx
Join Date: Apr 2015
Posts: 2,349
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Glad you found an easy fix.
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