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AC leaking all over hell[200/'79] posted by Brian McCallum on
Tuesday, 25 August 1998, at 7:16 p.m.
I recently had my r-12 unit recharged, now the passenger floor covers with water whenever I use it. There is the distinctive sound of water (dripping on the fan ?) when I take a left turn. Is this a common problem with the York units? I don't notice any drainage plug that's unhooked or anything. The coil has been crudely covered with some type of insulation-an attempt to thwart the flood I'm sure. Any advice would be appreciated.
--Brian
Re: AC leaking all over hell[200/'79] posted by Don Foster on
Tuesday, 25 August 1998, at 7:48 p.m.
Brian ---
I'm aware of four sources of condensate dripping onto the floors.
- The drain hose plugs up, and the "sump" fills up, overflows, and sloshes onto the carpet. The drain hose can be seen most easily from the passenger side, under the AC sump. It's a black rubber hose shaped like a "Z"; it's pushed over a nipple on the bottom of the sump, and snaps through a hole in the floor. Using a long screwdriver, pop it out of the floor and down from the nipple. The drain end has flaps -- these stick together. Clean them up, and cut a small "V" in them, about 3/16" long.
- The sump can get junk in it, plugging up the drain nipple. I've cleaned them out with an artfully-bent coat hanger.
- The front of the evaporator sometimes gets covered, clogged with leaves, pine needles, gum wrappers, etc. If there's a lot of junk, it can "wick" the condensed water onto the floor at the very front of the transmission hump.
- The expansion valve (where the high-pressure hose comes from the dryer), if exposed, can get very cold and condense water which drips. This valve, and the connected pipe, is what is usually covered with black insulation.