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Unread 09-01-2011, 07:53 AM   #1
wholzer
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Join Date: Sep 2011
Location: meadville, pa
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leaky cowl 1988 yj

i'm getting water in my jeep through the cowl. i poured water down the cowl the water comes out of the elephant trunk just fine, and i was a puddle on my drivers floor board also. no ac we just had a rain storm and went out to check it the rug on both sides is wet. help

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Unread 09-01-2011, 09:15 AM   #2
firefighter315
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1994 YJ Wrangler 
 
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Location: Kentucky
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Have you checked the condition of the cowl itself beneath the seal under the windshield frame? Is that seal the original and dry rotted? Also, do you have any holes in the windshield frame that may have been drilled for add-ons? (lights, mirrors, light bar, etc.)
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Unread 09-01-2011, 09:26 AM   #3
Old4X
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1990 CJ7 
 
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Lower the windshield and look for areas of water intrusion. Also, pull the intake screen and look for damage to the cowl vent intake, and possoble debris blocking proper draining.
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Unread 09-01-2011, 11:58 AM   #4
Sulls88YJ
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1988 YJ Wrangler 
 
Join Date: Jun 2011
Location: Norwalk, Connecticut
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I had a similar problem I solved on my 88 YJ. I had little puddles where you rest your feet on the driver and passenger side. The water was in the exact same spot of both side. If that is what you are seeing then read on...

I thought it was the cowl also. Poured water through the cowl a couple times but could not replicate the leaking/puddles. After it rained again I checked it out. Turned out there was a seal in the tub that had deteriorated. I patched it up with some clear liquid silicon I bought at home depot. Haven't had a problem yet. That was early this spring.

The seal is located exactly where the hood part of the tub meets the vertical windshield part of the tub. I had a picture but I cant find it.
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Unread 09-01-2011, 12:02 PM   #5
Sulls88YJ
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1988 YJ Wrangler 
 
Join Date: Jun 2011
Location: Norwalk, Connecticut
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So theres the trouble spot.... you can see how the seal was deteriorating. I pulled out some of the loose seal and squeezed as much silicon as possible into it.

Hope this is your problem because its an easy fix.
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Unread 09-01-2011, 12:39 PM   #6
Virjeep
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2000 TJ Wrangler 
 
Join Date: Jan 2011
Location: Bassett, VA
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The leak on my 87 was the windshield gasket (had pieces missing), The gasket between the windshield and the body (fold the windshield down to replace this one) and holes drilled through the windshield hinges (filled these with clear silicone) My feet would get wet and water ran all over under the dash. Hope this helps.
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Unread 09-07-2011, 06:13 PM   #7
wholzer
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Location: meadville, pa
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thank you for all your help i put a brand new windshield frame gasket around the windshield and cowl gasket between windshield and cowl. i poured water down the cowl vent and it poured in to the cab. is there a way to get to the cowl vent to look at it do i have to crawl up on the jeep to look in.
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