Never heard about this happening in anything but the 2000's...which I have and I had the same issue.
Take it in to the dealer, should be covered under warranty still. I think there was a tsb, basically the fresh air intake lets the water seap in and then runs through the fan, which is under the glove box.
mine does this, only because i caused it. i threw my phone one day and hit the black plastic cover that houses the a/c under the dash and cracked it, so when i have my air on it constantly drips cold water on the passenger floorboard and on the passengers feet.
Happens in my 05, but only after a REALLY heavy rain or going through the touch-less car wash. Have not taken it to the dealer yet, will in the spring after I'm 21 so I can get a loaner car. It's really hard to be carless with work/school and all. I'm not too worried because it only drips into my all weather mats, the carpet is never wet.
The nature of A/C is to generate condensation as cabin or outside air is cooled and dehumidified in the process. There is a drain that goes through the firewall to let the water run out. Assuming the box isn't cracked AND the gasket on the blower motor (which is located on the bottom of the box) is good, the drain may be plugged with debris (leaves, acorns, etc.) and causes the condensation to build up and drip out of the box at various seams. So, look on the firewall on the passenger side towards the bottom of the firewall...you will see a black rubber grommet/tube. Try sticking something in the tube to find out if it is plugged-up. You might squeeze the tube to see if it's plugged up. You could even remove the tube, clean it out, and put it back in.
My 2002 does this during a heavy rain. I found that it is due to a poor installation of my replacement windsheild. I suggest that you check the black plastic and rubber gasket at the bottom of the windshield just before the hood. You may find it is not snug against the windshield, allowing water to seep into the cab.
I took it to the dealer. They said that the seal was bad around the windshield. They resealed it. That didn't work. It is now in having the windshied removed and reinstalled. Let's hope it works. Thanks for the input.
My 2002 does this during a heavy rain. I found that it is due to a poor installation of my replacement windsheild. I suggest that you check the black plastic and rubber gasket at the bottom of the windshield just before the hood. You may find it is not snug against the windshield, allowing water to seep into the cab.
... I haven't fixed mine yet...
The problem likely is the clip gasket that holds the black trim piece on at the bottom of the windshield. If you remove this trim piece the gasket may crack which allows water to drip straight down into the blower motor and passenger floor. I siliconed up the clip on my 00AC and no more leaks. All started because I remover the black trim piece to clean it!
I have also had the same problem with my passenger side floorboard getting wet after a rain. I believe I have solved the mystery. I removed my windshield wipers and 8 small screws to gain access to underneath the black plastic cover near the bottom of the windshield. Under the black cover you will find 8 white plastic grommet things that the 8 screws screwed into. These white plastic grommets have a black gasket underneath then all. Most, if not all, had disintegrated. The last 2 near the passenger fender are directly over a hole in the firewall over the a/c blower motor. I took all the grommets out and placed a layer of rtv gasket on each to make a seal where the original seal failed. I have not had a problem since. Hope this helps
Roaddog
Last edited by ROADDOG21; 01-08-2008 at 09:38 PM.
Reason: fixed minor spelling errors
Roaddog is absolutely correct. It is NOT the windshield seal. I sealed my leak by simply removing the screws at the base of the windshield and then dabbing the screw holes with silicone gasket sealer. Replace the screws and you are done. No more puddles under passenger dash.
A heavy rain leak has again developed. I suspect that Roaddog21's solution may be more comprehensive. I'll check things out as soon as the weather breaks.
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Help water leaking under glove compartment
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