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10-14-2016, 06:35 PM
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#1
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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Small rain-leak from the ac duct work
I'm sitting in my coach in a pouring rain in the Santa Cruz mountains and noticed a small drip coming out of the small round ceiling vent. It dripped for about 15 Minutes and stopped. The AC unit is about 12" from this round vent. I'm assuming that it is possibly that the rain is blowing up under the roof AC, and getting into the duct? Has anyone experienced this? Regards
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-14-2016, 07:51 PM
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#2
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Jan 2015
Location: Whitney Tx
Posts: 589
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We experienced a similar situation in Kansas a few weeks ago. Down pour of about 5 inches of rain over abut 3 hrs. Came home to the vent closest to our 2nd AC unit slowly dripping on the floor. Popped off the vent cover and there were several tsp of water in the duct. Dried it out and did the same for the floor. So far no further reoccurance. Figured the rain was coming down so fast it may of back washed into the AC.
__________________
Linda Day and Harry (the pug)
Currently no RV; 15 Jeep Grand Cherokee
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10-14-2016, 09:57 PM
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#3
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Member
Join Date: Sep 2016
Posts: 30
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seems like its time to replace the A/C units Gasket, Not that hard of a task. i think i may plan this for one of my next Maintenance job.
this guy covers it pretty detailed.
https://youtu.be/MMbboaRl1Nw
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10-14-2016, 11:00 PM
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#4
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Senior Member
Join Date: Nov 2009
Location: Warren, Oregon
Posts: 2,559
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Both of my AC have 4 nuts under the inside cover that hold the AC down and in place, both had about 1/2" play in all 7/16" nuts. Mine was a quick fix.
2 stroker
__________________
2006 Country Coach Inspire 360 40ft Genoa Designer Series, Samsung 197 RR
Cat C9--STEEL & COPPER Bolt Together Radiator w/ updated rubber mounting
SilverLeaf 330 Magnum 2812 PSW 2011 Ford Edge Sport-Air Force One
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10-15-2016, 06:48 AM
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#5
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Senior Member
Join Date: Jan 2016
Posts: 531
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Was the AC running? If so it could just be condensation from the high humidity.
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10-15-2016, 06:51 AM
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#6
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Senior Member
Newmar Owners Club Winnebago Owners Club Freightliner Owners Club
Join Date: Mar 2016
Location: Kingman Az
Posts: 1,686
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replace your the gasket between the roof and your AC unit. It has failed. Do it now, because the damage the water will do to the substructure will be very expensive to repair. Sadly, most leaks show up after many years of water damage are already done.
__________________
May your black water hose never break!
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10-15-2016, 08:26 AM
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#7
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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Quote:
Originally Posted by lady puffin
We experienced a similar situation in Kansas a few weeks ago. Down pour of about 5 inches of rain over abut 3 hrs. Came home to the vent closest to our 2nd AC unit slowly dripping on the floor. Popped off the vent cover and there were several tsp of water in the duct. Dried it out and did the same for the floor. So far no further reoccurance. Figured the rain was coming down so fast it may of back washed into the AC.
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Thanks for the reply, I'm thinking the same thing, we got just a few drops and then it quit. I'm thinking that the rain must get under the A/C cover and make its way into the venting? Regards
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-15-2016, 08:29 AM
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#8
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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Thanks Sam, I could see that would be the case but it didn't leak around the A/C cover, but came out of the small ducted lovers. Regards
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-15-2016, 08:31 AM
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#9
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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Thanks 2- striker I'm going to look at this. Regards
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-15-2016, 08:32 AM
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#10
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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No it wasn't running. Thank you
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-15-2016, 08:36 AM
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#11
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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Lonfu; If the Gasket has failed wouldn't the rain becoming in around the AC vent cover? The issue I had was a little bit of the rain leaked from the duct work, out of the small round lovers. I'm thinking it somehow back washed into the AC unit and a little got into the ducting? It was probably a couple of TBS. full. Regards
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-15-2016, 08:39 AM
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#12
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Senior Member
Monaco Owners Club
Join Date: Jun 2014
Location: Jensen Beach, Florida
Posts: 760
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If it is coming out of the duct louveres and you are sitting at high altitude in 100% humidity, I would not rule out condensation rain. I have had that happen at 11,000 feet. Always the duct closest to the a/c unit. That said, I would still replace the ac gasket just in case.
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10-15-2016, 09:00 AM
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#13
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Senior Member
Monaco Owners Club
Join Date: Aug 2015
Posts: 337
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Thanks Dsallach; It was a warm storm but we are only 800 ft elevation. I think maybe changing the gasket would be the best. Regards
__________________
2009 Monaco Camelot 425 HP Cummins ISL 40QDP
Toad- 2020 Jeep Gladiator Rubicon
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10-15-2016, 12:51 PM
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#14
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Senior Member
Country Coach Owners Club
Join Date: Jan 2006
Location: Northern California
Posts: 5,847
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I would tighten the AC gasket bolts and wait to see if the event reoccurs.
__________________
Dean
1995 38' CC Magna #5280 **** Sold after 21 years of enjoyment.
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