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Old 10-15-2011, 09:01 PM   #1
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Exclamation Water on Floor Boards.?.

I have a 2001 Wrangler TJ.

I have water puddling on the drivers side and passenger side floor boards when it rains. I thought I found the source of the water on the passenger side (a gab inbetween the windshield and the hard top but I plugged that and have since found that was not the source). Now I have puddling happening on the driver's side.

This is my first experience with a Wrangler (which I have wanted my whole driving life), so I am definitely a "newbie".

Can anyone give me some ideas of where to look for the water source? It has a hard top and hard sided full doors, the seal around the windshield looks to be good condition.

Thanks,
Pah!Jeep

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Old 10-15-2011, 09:27 PM   #2
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Oh, so got got one with the foot washing option... Very popular option for wranglers.... Ok, now o be serious for a min... The passnager side is usually the easy fix... There are two areas to look at.... The first being under the hood on the passanger side or from under the jeep on the passanger side.... You will see a rubber hose about 6" long sticking out from the firewall.. It is located right below just towards the drivers side from the battery.... Check to see it is clogged, that is the drain for the a/c system. The second area is on the outside of the jeep in the cowl. There is a drain in there and sometimes it gets clogged... You have to remove both wipers and then about 4 screws and the whole cowl area comes off.... If you don't know what the cowl is (sorry, don't ow how much you know about cars) it is located right in front of the windshield and behind the hood hinges....

As for the drivers side.... Mine leaks right down the obd-II plug. I've tried to duplicate the problem about 5 times and it only happens when it rains and then only sometimes... Hopefully someone else can help you with the drivers side.

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Old 10-16-2011, 09:17 AM   #3
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Thanks... I have the same problem on the passenger side... the car will take a quart of water in an overnight frog-strangler. I've taken to leaving the floor plug out (I don't go driving through streams), and I put a layer of that rubber-mesh "drawer-liner" material under the mat on that side.

BTW, I think there are two more cowl screws hidden under the rubber weatherstripping under the hood.
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Old 12-23-2012, 02:21 AM   #4
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I've been having the same drivers side problem.. it gets a huge puddle whenever it rains. If it helps it looks like its starting out above the floor mat then gathering at the bottom and onto the carpet
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Old 12-23-2012, 03:03 AM   #5
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I had the same problem until I read on here about the drain in the cowl. Long story short, took the cowl off and there was a mass of leaves covering the drain. Cleared if off and havent gotten a wet floorboard since.
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Old 12-23-2012, 03:09 AM   #6
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I've already cleared the cowl and that fixed passenger side. But now Its just the drivers
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Old 12-23-2012, 11:17 AM   #7
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Mine is doing it also on the drivers side. I got in the passenger side seat while my son was on the outside drivers side with a water hose, and had him work his way slowly up the door until the water was leaking in. It is leaking where the windshield seal and door seal meet. I tried some additional weatherstripping in this area but so far it's still leaking. Now to try something else.
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Old 12-23-2012, 11:44 AM   #8
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Another way to check the weatherstripping for how well it's sealing is to have the Jeep in a fairly dark area, standing on the outside with the door closed and window down, reach in with a small flashlight along the weatherstripping and look for the light passing by any gaps you may have.
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Old 12-24-2012, 08:38 AM   #9
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Last Spring, I took the cowl off and cleaned out the few leaves that were in there. Nothing near enough to block that drain, which appeared to be clear anyway. I noticed a pretty big gap around the drain, between the metal and the plastic, so I caulked it up, and generally ran caulk around anything that looked like a seam inside that cavity.

I thought -- THOUGHT -- that it helped, because I didn't get much more water in the passenger side. But over the past couple of months, it seems the problem has returned, and it's too cold to go messing around with it. I think that next warm spell, I'll take the cowl off again, and see if I can ream out that drain with some coat-hanger wire, or a piece of thick weed-whacker string.

Going a long ways back into my memory, I recall hearing that one way of clearing a leaf-clogged passage was to pour in some hydrogen peroxide - the strong kind, not the 3% drugstore stuff. That stuff is pretty nasty to handle - causes severe burns and can blind you in seconds - so it may not be easy to get.

For now, though, it's back to the easy fix, which is a tarp over the front of the Jeep.
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Old 12-24-2012, 10:16 AM   #10
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It was probably peracetic acid. Can get it in strength of about 15%. Nasty stuff. It's made by combining acetic acid and peroxide. Has a pungent vinegar like odor and will burn your skin by bleaching it white.

I work for one of the largest makers and distributors in the world for it. Lol.

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