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Old 08-15-2016, 11:23 PM   #1
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A/C dripping water

When it rains, my a/c drips (gushes) water whenever it cycles off. This does not happen when it isn't raining. My first thought was a clogged drip pan, but that would probably happen when it isn't raining as well. While the a/c is running, you can hear the water inside. Turn it off and grab a bucket! Any thoughts?


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Old 08-16-2016, 12:29 AM   #2
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I'd get on the roof and take a look. There may be a cracked AC cover, or some other way that water is getting in. Rain will put a lot more water in than normal moisture removal, so the drains may be open, but not large enough to get rid of the amount of rain water coming in.
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Old 08-16-2016, 01:14 AM   #3
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I've noticed in high humidity days I have the same thing going on. I assumed it was a partial freeze on the coils and when it kicked off it quickly defrosted from the fins and dumped.
Let us know what you find. I have a wasp nest to contend with first.
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Old 08-16-2016, 05:16 AM   #4
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Its most likely one of three things;

Make sure all your vents are wide open on those rainy days at least so your coils are partially freezing as noted above.

Make sure your condensate is flowing freely from the unit outside. Also check out the drip pan up there.

Make sure that the water your seeing inside during rainy days isn't actually rain water. Although I have not done so myself, I understand that there are some hold-down bolts are similar which attach the A/C to the roof. These can become loose, which loosens the seal between the A/C and the roof.
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Old 08-16-2016, 06:16 AM   #5
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Quote:
Originally Posted by 05CrewDually View Post
I've noticed in high humidity days I have the same thing going on. I assumed it was a partial freeze on the coils and when it kicked off it quickly defrosted from the fins and dumped.
Let us know what you find. I have a wasp nest to contend with first.
I bought Stainless Steel screen and installed it in the openings of my AC units. Now there are no more wasp nests to clean out in the AC.
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Old 08-16-2016, 07:25 AM   #6
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Quote:
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I bought Stainless Steel screen and installed it in the openings of my AC units. Now there are no more wasp nests to clean out in the AC.
Thanks. I've done everything else with screen, AC is the last.

Also, when my unit does this, all the water runs down the roof and off the gutter. Nothing leaks inside at all. That's why I never considered it to be a problem.

Larry, is yours leaking inside or just dumps on the roof and then runs off?
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Old 08-16-2016, 07:53 AM   #7
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As 05 said, if it's running off the roof, there's no problem. However, if it's leaking inside then you need to find the source of the leak. The roof gasket is the most common culprit. Check the hold down bolts to see if one or more are loose.
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Old 08-16-2016, 08:06 AM   #8
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I had the same problem. Found that all 4 of my mounting bolts were loose, one had backed itself out over an inch. Pop the inside cover off and the bolts are in the corners.
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Old 08-16-2016, 09:03 AM   #9
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X2 on tightening the hold down bolts on the AC unit. The gasket gets compressed over time and therefore the bolts will be loose. Sometimes, you have the replace the gasket. If you need a new gasket, let me know. I have a brand new on still in the box I would be happy to give you.
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Old 08-16-2016, 10:20 AM   #10
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05CrewDually, it is inside. While a/c is running, you can hear it 'gurgling' up inside, no drips. Once the unit is turned off, or cycles off, it gushes, not drips, down on the bed.
Thank y'all for these tips. Will check them out. Been raining, so climbing on the roof will have to wait.


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