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post #1 of 6 (permalink) Old 12-10-2012, 05:36 PM Thread Starter
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Soaked Floors

Hi All,
I just recently changed my heatercore about 3 months ago. All went well, no more coolant smell after turning on heater. I have pics if anyone is interested in the job. Anyhow I notice now that it is rainy season my driver side floor under the mats feel as if someone poured a gallon of water on them. I thought maybe the floor was somehow leaking when I drive, leaking into the car from the ground, but then thought it would have drained back out the way it came back in. So I just re adjusted my door seals to see if that fixes the issue. The odd thing is, the water is right in the middle of the carpet so Im not sure if it drained down the door seal and didnt touch the un taunt carpet near the door, and just settled in the middle or if something more is going on. Anyone have any ideas?

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post #2 of 6 (permalink) Old 12-10-2012, 06:15 PM
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My 300m parts beast had this symptom over the summer. I tried taping the sunroof off to see if it slowed but, that wasn't it. Next was to tape off the driver's door seam and that seemed to be the source. See if you don't have the door jamb seal shrinkage problem. Some of the later models had seals that resist shrinkage.
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post #3 of 6 (permalink) Old 12-10-2012, 08:03 PM
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3M makes an adhesive that becomes tacky when dried. I used some on the metal strip the weatherstripping attaches to, going across the top, and no longer have the leak.
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post #4 of 6 (permalink) Old 12-10-2012, 08:42 PM
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The 3M weatherstip adhesive mentioned is the way to go. Take all the weather stripping off the door openings and the drip edge and clean them real well. Make sure the metal edge they attach to is real clean too and then put the adhesive on the metal edge. Don't be stingy with the adhesive. You will probably have to remove the carpet from the car and let it sit out in the sun to get it and the attached padding to dry. Drying the carpet thoroughly outside the car will help make sure you don't end up with a smell resembling an old set of gym shoes or nasty dorm room. With the carpet out, you can close up all the doors and have a helper run a garden hose along all the door seals and pin point any remaining leaks. This can be a real pain in the you know what, it took me several days and attempts to get mine sealed up. Also keep in mind that the water settles in the low spots and could be coming in any door(s) and following grooves in the floor or wiring harnesses, etc, etc.
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post #5 of 6 (permalink) Old 12-11-2012, 01:10 PM
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I had this issue for a while. The first thing to check is the sun roof drains. They can get clogged pretty easily. I never had mine clogged but thats always what I was told to check first.

Then its either the cowl or the weather stripping around the door. I'd check the weather stripping first. My issue was at the very bottom where I found a spot in the body of the car where the metal bends out very quickly. It ended up putting a little kink in my weather stripping and then it leaked through that as it stretched out over time. I just put a little silicon seal on there and I've been fine ever since.

I found out by dumping water on it with a hose and closing the door. I had the carpet pulled up already to let dry. Open the door, check to see if any water at all entered the car.

Good luck!
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post #6 of 6 (permalink) Old 12-11-2012, 03:47 PM
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my friend has an issue like this in his thunderbird it ended up being the water was leaking down into the AC intake and dripping from the vents into the cabin... i would make sure its not one of the weatherstrips however first before jumping in to rip apart the dash
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