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Multi Car Owner
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Discussion Starter #1
I have a strange problem. 1993 Marq. Wife is 99% sure that no window was left open and nothing was spilled. So I am left to wonder how the heck the back floor board, pass side was FLOODED. Even the floor mat was soaked. Under the seat and front floor board are fine, but just the back board is soaked. Seats are dry, no water anywhere else. Anyone got ANY idea how this could be happening. We did have a decent amount of rain this last couple weeks. This one has me stumped.
 

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Gone cruising!
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Soggy carpet

Tim, I wonder if it might be coming in through the door
weatherstripping. If you feel ambitious, try peeling the
carpet back from the floor, getting someone with a
garden hose to soak the suspected area and crawling
on the back seat with a flashlight to see if it is leaking.
I hope this helps. Tim R.
 

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Grand Marquis Member
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I had a similar problem with my '94 Jeep Cherokee Grand Laredo. The condensation drain hose for the air conditioning became clogged with debris (leaves, etc.). This resulted in the condensation from the evaporator behind the dash overflowing and backing up into the car. We first noticed that the rear floor on the passenger side was soaking wet. The front floor of the passenger side was less wet because the water flowed to the rear which was a lower and puddled there. I had a devil of a time trying to figure out what happened until I found the drain hose through the firewall fitting under the dash on the passenger side was leaking. However, for the life of me, I couldn't find the exit on the other side, even with a manual. I took it to a Jeep dealer and they knew exactly what had happened because it apparently is a persistent problem. I have had this happen more than once, usually at the start of the A/C season, so I have the clean out done every year to prevent the problem. I also had the same problem on a '82 Plymouth Reliant K-Car some years ago. A blocked A/C drain hose may not be your problem but I would double-check the drain hose just in case if you know where it is in the car. I also have a '93 Grand Marquis that I've owned for the past few months with about 93k miles ... I hope I don't have the same problem to look forward to.
 

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Mod/Multicar Member
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tim did you ever find out how the floor was getting wet? i get a lot of crown vics and grang marqs coming into my work and havent heard of any problems like this. i'm sure at some point in time i'll get one. it would be nice if i have an idea of what to look for. thanks
 

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Multi Car Owner
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Discussion Starter #5
Never figured it out. If I park the car on a hill with front end facing down it does not get wet.
 

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Grand Marquis Member
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Just a suggestion but did you ever check the a/c condensation drain tube that may run from the evaporator behind the dash through the firewall on the passenger side?
 

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Multi Car Owner
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Discussion Starter #7
Can't be that, front board is dry, plus this can happen over night when it rains while the car is sitting.
 

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Vintage Mustang Member
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WET FLOORBOARD

Marqman, I agree with mercury, I beleive its in the weatherstriping somewhere especially after you said it doesn't leak when the front of the car is facing down. It could actually be coming in on the front door weatherstriping, and traveling to the rear and finding a hole there. When the front is facing down, its traveling away from any leaks.:CraZ:
 

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I realize this is an old thread, but did you ever figure out the leak. I have the same problem on my wifes 1997 Crown Vic. Had a "old dishrag" smell, so I pulled back the carpet behind the drivers seat and the foot well was drenched. I need to locate the leak and then get rid of the smell in the carpet padding. Would appreciate input on where the water is coming in from and also on how to get rid of the smell. We've had the car since new and it just happened this last winter.
Thanks
 

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97cv said:
I realize this is an old thread, but did you ever figure out the leak. I have the same problem on my wifes 1997 Crown Vic. Had a "old dishrag" smell, so I pulled back the carpet behind the drivers seat and the foot well was drenched. I need to locate the leak and then get rid of the smell in the carpet padding. Would appreciate input on where the water is coming in from and also on how to get rid of the smell. We've had the car since new and it just happened this last winter.
Thanks
my crown vic gets water in the passenger side foot area as well. The wire access whole in the firewall behind the glove box seems to leak water. I am guessing it is cracked weather stripping around the windshield. I just pulled out one of the rubber plugs underneath the seat well to keep the water draining out.
 

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Freshmeat said:
ajone, your issue sounds more like a blown heater core. Have you been losing coolant lately?

It could also be bad weatherstripping- we just had a new windshield installed in our 2004 Escape and it's already leaking.
No way is it the heater core. The leak has been there for 5 years. I have taken the glove box out and pulled out the carpet when it was raining. Bingo, there was the water dripping right in the wire harness access whole. It is probably getting in by the blower some how. No big deal. I removed the plug in the chassis underneath the passenger seat and now the water just drips right through. No more soggy floor. It would really get wet too. There must have been 2 gallons of water soaked up into the carpet and insulation.
 

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I have the same problem on my 71 Torino, water is raining in through the vents in front of the windshield and into the car... I havent figured out how to fix it yet short of removing the dash and resealing everything. On my car there is a ring about 1" tall that supposed to seperate the water from the incoming air and that ring was rusted. This car has been sitting for 5 years so I have a lot more than surface rust but I bet thats where the water is coming from.. Good luck!
Pete
 

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I have a '93 CV with same problem. Only rear passenger floor.I was told common problem. Water comes in thru windshield seal and runs thru body and down door pillar. That's why there is no evidence of water on the inside door panels etc.
I didn't get mine fixed cos it doesn't rain often here but I was told there was a hush hush fix available
 

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I have had this happen on my 1998 Town Car and my daughters 96 Crown Victoria. The water is coming in the outside air duct located under the hood on the passenger side. There is a piece of plastic that has a screen on it to keep out debris. There is a gasket for this piece of plastic that is usually made of foam or rubber and is glued on to the metal cut out for outside air. You will probably find the gasket has come unglued. I used RTV blue to reseal it and the problem is solved.
 

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Okay you guys are gonna like this one. I found the leaks on the '97 crown vic. Recap: first found water under passenger foot well behind driver. That was because it was easiest to check. Finally got tired of messin around and pulled out all the seats and carpet. Turned out the entire drivers side front to back seat was soaked. Dried it all out and watched for water entry. Was coming from the front and somehow making it over the ridge to the back. When I parked at an angle on a steep driveway I saw it pond in driver's footwell and run to the back, so I figured that ruled out door gaskets. Pulled the accelerator pedal supports and lower dashboard plastic covers. Insulation under firewall shroud was soaked. On outside pulled the windhshield wipers, screen, and the big plastic wiper well with wiper transmission. Let a hose drizzle along different spots. Found two leaks and watched them coming in. One was the rubber boot where the hood release goes through the firewall. The cable runs upwards so any water hitting it runs down and goes through the cracks in the boot due to aging. Resealed with RTV. Slowed, but still leaks a little so will really gob the stuff on and may figure some other kind of seal for it. Next, the real big leak was coming in at the accelerator cable through the firewall bracket. I watched the natural flow of water off the windshield and it just dropped right on top of it. The seal eventually failed. I pulled the bracket and cable and resealed it with RTV and reattached all. Let it cure 24 hours and put the hose right on top of it, plus we have had several days of rain and it is dry. Plus I can't see anything coming through when I use mirrors to look up under the firewall shroud.
Told my wife we're leaving the carpet out until I know it is remains dry and problem is solved. Which means all summer through early fall (that's when the rains really start in Washington State)! Got the smell out of the carpet padding by washing in my backyard with carpet cleaning solution, rinsing with the garden hose, soaking with a weak bleach solution, rinsing and then letting dry in the sun for a few days on my back deck. Not sure if that was worth it as padding is pretty cheap at auto body supply stores, but I was on a mission!
My advice for others is to go through the effort to yank the seats and carpet, dry the floor and then observe. There is a lot of stuff coming through the front firewall and any is likely to leak under the right conditions. The problem in identifying it is the black firewall interior shroud and insulation under it doesn't remove so you have to try to pull it up and try to see where water is entering. You have to be a bit of a contorsionist and use flashlights and mirrors!
Right now I'm feeling pretty darn good...we'll see how long that lasts when the rains come! Hope this helps you guys....good luck!!:driver:
 

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Wrench Hound
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Check the weatherstripping in the front part of the rear doors as well as along the windows, water has been known to sneak through the door and out the lower "drain holes" on the bottom of the door and if the vehicle is in right position, the water could easily roll over into the floor. If the weatherstripping is bad or not properly set the water can easily travel the door frame and roll off into the floor and never show a drop on the inside.
 
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