I saw you respond to someone in july about this problem. how can i identify what is leaking onto my passenger floorboard? i drive a 96 honda accord. the windows fog up like crazy and there is some kind of mold growing apparently. please help. i thought it was water at first, but you said A/C can't leak onto the floorboard...
I have a 2005 Doge Neon and just today I noticed that the back passenger floorboard is soaked...also the back edge of the bottom of the back seat on the passenger side is damp....but not the front part of the seat or the back part. Any ideas?
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Re: leak onto floorboard
Here is what all dealers do to find water leaks, we spray a fine mist of water on the car near where the water might be comming in with a spray nozzle, someone gets inside the car and look for the leak, there is no other way, and I have been doing this 30 years.
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Feel the water and smell it. If it smells sweet and fells oily, is is coolant. If is isn't oily and has no real smell, it is water. There is a tray under the evaporator and heater cores that catches water/coolant and drains it via a tube thru the firewall to the outside of the car. This tube is probably clogged and needs purged. If you have coolant on the floor, you'll need to replace the heater core. If it is water, purging the hose will solve the problem as the water is just condensation from the AC coils
If you mean the condensation water from the a/c - the drain tube is probably gunked up. There is a small tube or hose near the passenger floorboard that the water drains thru. You should be able to see if from under the truck.
2004 TB 60,000 miles. i was just told that the leaking fluid in my passenger side floorboard was do to a clogged up A/c hose. An A/C works by drying/ removing the moisture from the air inside the vehicle and cooling it. The accumulated fluid is usually evacuated under the vehicle which is what you see when people are stopped at a red light and there is dripping under their car. when a hose is blocked there is a vent that from some reason flows directly into the passenger side floor board. If you can not manually knock loose the block your probably going to have to take it to a mechanic.
there are basicaly only 2 things that can leak onto your floor boards the first is your cooling system. If its your cooling system the only part of your cooling system that comes inside your car is the heater core. The 2nd thing that does happen but is unlikely, is if you have a sun roof. There is a drain and a tube that goes down to the doors. if its clogged instead of going down to the doors, it will over flow and spill under the head liner and flow to the floor. But because your widows are getting wet also I would bet its your heater core.
In most cases Heater cores are pretty easy to replace. they are usually located behind the glove box, but can get more difficult depending on the make and modle. I would purchase a Chilton. You can get one at the part store. Dont get a Haines, they are often difficult to read and are not as easy to use. Also Honda's are notorious for A/C mold, but you can buy a kit that you put down the vents that kills it. You should be running the vent with just air not A/C to dry out the vents every once and a while that will help keep the mold down also. Hoda's and Toyota's vents are so well sealed that they are natural borne mold growers. The dealers also have some kind of mold removal thing they can do but as far as I know its the same as what you would buy at the part store. you may have to do it more than once, mold is not always easy to get rid of.