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Unread 06-11-2008, 03:54 PM   #1
koreskovich
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Join Date: Jun 2008
Location: Chicago
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Water leak under dashboard

I have a 1994 YJ and I am having a problem with water leakage onto my feet on the driver side floors and sometimes the pass. side. Seems like only happens after a rainfall. Could this be from the vent by the hood? Any feedback would be GREATLY appreciated! Thanks!!!

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Unread 06-11-2008, 03:58 PM   #2
stl9898
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1993 YJ Wrangler 
 
Join Date: May 2008
Location: Dallas
Posts: 25
Isn't it fun when you are driving and you end up with wet feet? Yes, it is coming from the hood vent. You can buy covers or scoops for that vent that help with sheilding from water...or you can except it as another blessing from the Jeep gods.
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Unread 06-11-2008, 04:00 PM   #3
pasinbuy
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1994 YJ Wrangler 
 
Join Date: Feb 2007
Location: florida
Posts: 3,836
Yes, it is from the vent on the hood. Open your hood and look at the pass side of your firewall. You will see a inch wide tube that is tappered at the bottom. Squeeze the bottom to open the tube and most likely crap will come out of it.

This is what drains your hood vent. Keep a eye on it to avoid interior flooding.
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Unread 06-11-2008, 04:03 PM   #4
victorbrca
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1988 YJ Wrangler 
 
Join Date: Apr 2008
Location: Mississauga, ON, CA
Posts: 54
Quote:
Why do I have water pouring inside my Jeep when it rains? - That is a fairly common occurance. The grill on the top of your engine area (just in front of the windshield) allows fresh air into the Jeep for the heater. It also allows water and snow to collect. There is a drain-hose on the firewall about 1.75" in diameter that can get plugged. Pull off the hose, and tip it upside down. Wash it out with the garden hose in the backyard and then wash the grill-area down as well pouring as much water down as possible to wash all the trapped dirt out. Place the hose back in place and enjoy dry feet again.

You can also add a scoop to the grill area to limit the amount of water/dirt entering the fresh-air intake.
Cheers!!!

Vic
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Unread 06-11-2008, 06:34 PM   #5
94WorknProgress
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1994 YJ Wrangler 
 
Join Date: Dec 2007
Location: Garland, Texas
Posts: 238
i was having this problem a little while ago and thought it was my vent tube, so i cleaned it out and didn't have a problem for a while, and i thought i had fixed the problem since the vent tube had been somewhat clogged. Then it happened again. what it turned out to be was that in the yj the condensation tube from the a/c runs down through the interior, when i herc'd my tub i got it clogged, and every so often all of the condensation would pour out all over my feet. so check that too.
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Unread 06-11-2008, 06:39 PM   #6
Project89YJ
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1989 YJ Wrangler 
 
Join Date: Jun 2008
Location: Longview, Texas
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That happened on my 89. I had to lean the windshield down on the hood and put sealer where the windshield meets the body. the exsisting seal had deteriorated, water was gettin past the seal and running down behind the dash. hasn't leaked since i sealed it in 2005.
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Unread 06-11-2008, 06:39 PM   #7
93jeepyj
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1993 YJ Wrangler 
 
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Location: windsor locks, CT
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I had the same thing and it ended up being that my cowl seal was just 15 years old and shot so I dropped the windhield and changed it and have been pretty dry ever since
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Unread 06-11-2008, 06:40 PM   #8
Brandon_YJ
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1987 YJ Wrangler 
 
Join Date: Sep 2007
Location: Metro Detroit
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... and keep in mind, it's not "always" the vent tube.
Mine leaks and water runs down behind the dash and drips off the parking brake lever.
I'm pretty sure it's the old and rotted cowl seal, but it'll have to wait until I get the inclination to double check.
My vent tubes have been taken out and cleaned, and I still leak.
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Unread 06-11-2008, 06:44 PM   #9
Manannoyed
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Leak

It could be. I took a look at mine because of the same issue and it was completely clogged. I figured that fixed it, but I was wrong. My 1995 and 1999 are both leaking from under the dash and the drain hoses are clear. I hope we get some good replies to our problems.
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Unread 06-12-2008, 07:24 AM   #10
koreskovich
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Thanks guys....the drain was clogged...but I am also going to re-seal the window seal due to it looking a little rough as well!
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Unread 04-08-2010, 01:58 PM   #11
kkuhnell
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1993 YJ Wrangler 
 
Join Date: Mar 2010
Location: Milford, OH
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I have the same problem on my 93. I have replaced the cowl seal, and went as far as clipping off the bottom of the cowl drain tube. I checked to see that the drain tube was working by pouring water from a pitcher into the cowl, and the tube drained fine (apparently not fast enough), but the driver side floorboard was still getting wet! I didnt dump a whole 2L in there all at once either. Looking down into the cowl, I dont see where it could possibly be leaking. And because of the pitcher, it has to be from the cowl itself cause everything else stayed bone dry.
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Unread 04-08-2010, 03:52 PM   #12
Wheelman286
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1992 YJ Wrangler 
 
Join Date: Mar 2010
Location: Charlotte, NC
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I've got the same problem... it sometimes makes my speakers cut out too (stereo has some feature that deactivates speakers when they start to short or get wet) ... I thought it was my light bar but it could be the windshield seal. I don't think it's the ventilation system because the water comes from way too high for it to be that and it doesn't come out of the vents (which it would if that was the problem)
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