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A/C leaking water

June 24, 2013, 04:56:30 pm

The last time out I noticed some water dripping from the register (main register) on my rear AC unit (99 U270).  Thought I would ask the question to possibly save on Diagnosis time.
Is there a drain line similar to autos that may be stopped up or loose?
Thanks

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Re: A/C leaking water

Reply #1 – June 24, 2013, 05:02:09 pm

Usually it is the pan on that year. They crack or rust thru and leak. A way to help it is to run the fan on high all the time.  But when you turn it off you will have it leak still. There is no new pan that I know of and you will probably want to replace the unit one day. IT will make your headliner all wet.  You can determine how much water is leaking and how bad it is and when to replace it. I have replaced units in my 200 and my 2001 for that very issue.

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Re: A/C leaking water

Reply #2 – June 24, 2013, 05:09:10 pm

John,
How do you determine if the pan is the issue?  Also, would there be a way to epoxy another layer of metal to seal the unit?  I haven't looked at it so I am just throwing out suggestions or possibilities.
Thanks.

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Re: A/C leaking water

Reply #3 – June 24, 2013, 05:17:39 pm

I thought of epoxy too but it was already past its life. You have to pull the AC unit up and look.

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Re: A/C leaking water

Reply #4 – June 24, 2013, 05:38:17 pm

John,
I will lift the top off and check.  Thanks.

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