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Old 08-20-2016, 09:50 AM   #1
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A/C dripping water inside

2014 Jayco Octane 26 Toyhauler
Live a Texas and it is very humid here

Of late, we have been having a problem with the A/C dripping condensation on the inside.

I have made sure that I have a clean filter on return air vent. I read somewhere that the drain pan may be plugged, so I climbed up on roof (scary By the way), and removed the cover. I can't find anything that looks like a drain pan or any drains.

Suggestion, guidance needed


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Old 08-20-2016, 09:54 AM   #2
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I assume you took the top cover off when you were up on the roof. If your unit is a 2014 and the air has been used a fair amount the fins on the air may need to be cleaned. You can do this with a hose without bending them if you are careful. You will have to remove your ceiling cover/filter housing inside and have someone standby with a bucket to catch any water that may come in.
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Old 08-20-2016, 10:18 AM   #3
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I assume you took the top cover off when you were up on the roof. If your unit is a 2014 and the air has been used a fair amount the fins on the air may need to be cleaned. You can do this with a hose without bending them if you are careful. You will have to remove your ceiling cover/filter housing inside and have someone standby with a bucket to catch any water that may come in.
So you are talking about some fins accessible from the inside and not the ones on the outside right ?

I see how to remove the cover for the inside air return but I can't see how to remove the rest of the inside cover.
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Old 08-20-2016, 10:41 AM   #4
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Sounds like the mounting screws need to be tightened up. There is a gasket between the ac and the roof. From the inside pull the plastic cover off. There will be four screws, one in each corner. Tighten them up. But not to tight. You just want a little compression on the gasket. If you fully compress the gasket, next time, you have to replace the gasket, and that requires removing the ac.
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Old 08-20-2016, 11:09 AM   #5
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Originally Posted by Jagiven View Post
Sounds like the mounting screws need to be tightened up. There is a gasket between the ac and the roof. From the inside pull the plastic cover off. There will be four screws, one in each corner. Tighten them up. But not to tight. You just want a little compression on the gasket. If you fully compress the gasket, next time, you have to replace the gasket, and that requires removing the ac.
A new gasket is about 1 inch uncompressed, you want it compressed to about 1/2 inch when tightened to prevent leaks of air and water. They also need to be checked at least once a year to ensure they are tight.
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Old 08-20-2016, 11:13 AM   #6
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A new gasket is about 1 inch uncompressed, you want it compressed to about 1/2 inch when tightened to prevent leaks of air and water. They also need to be checked at least once a year to ensure they are tight.


So, should I be able to see this gasket from the outside? Would adding some sealant around the unit be a good idea?


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Old 08-20-2016, 11:20 AM   #7
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So, should I be able to see this gasket from the outside? Would adding some sealant around the unit be a good idea?


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You may be able to see the gasket from the outside and or inside with some units and some installations.
The A/C manufacturer's installation instructions do not call for anything but the gasket. There is the possibility that the gasket is bad and may need to be replaced. I have replaced mine on a previous RV years ago and it's not too bad, and the gaskets are cheap.
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Old 08-20-2016, 01:51 PM   #8
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Ok, thanks for all the advice folks. If it ever stops raining, I'll craw back on the roof, clean the fins and tighten the unit down a tad

So there is not some drain pan that may be plugged?
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Old 08-20-2016, 02:05 PM   #9
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Many manufacturer's do include a drain pan. Some coaches also have a drain line that snakes down the coach wall and exits under the coach.
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Old 08-20-2016, 03:00 PM   #10
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I fixed one yesterday for my camping neighbor, it was dripping on the bed. Found one of the four bolts finger tight. Just don't over tighten them when doing this but they should all be about the same torque.
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