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#1
01-21-2008, 09:44 AM
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Rain Water leak partially solved
I have had a bad water leak coming in to the front floor board area (both sides) after heavy rains, etc....
I cleaned out the hood hinge area, which was bad several times, but the leak kept on coming, especially after heavy rains. I didn't think it was the sunroof, the PO did a repair on the seal and the water was really only at the floorboard area. Well, after reading the forum posts on everyone's leaks, I caulked up the windshield area, where visually I could see a compromise in the windshield weather stripping, and the glass. BOth sides had bad areas near the top. The second place was in the rain gutters, near the roof line just above the windshield. I had a piece of decaying rubber there that on both sides looked like it could be the culprit. So, as a test I just sealed it with some water proof caulk. We had like 6 inches of rain this week, and I had almost no water come in. Before I would have 4 soaked mats, and surrounding carpet. That would take a week to dry out. I think I am on to something!
__________________
85 300CD Turbo "Das Polluter" 230K sold for $3,000 98 BMW 323is 
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#2
01-21-2008, 10:33 AM
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yes you are on to where the leak is, but if you leave silicone on your car, it will rapidly turn to a rust spot... now that you know where it is, clean it off, and get a new windshield seal in there!
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#3
01-21-2008, 05:04 PM
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didn't know that
I didn't realize that. A silicone caulk will cause rust.... I don't have it on any painted part...or sheet metal...
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85 300CD Turbo "Das Polluter" 230K sold for $3,000 98 BMW 323is
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#4
01-21-2008, 06:03 PM
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As silicone sealant cures, it traps corrosive moisture under it. If you use it to seal between the windshield gasket and the windshield glass, it will make it very difficult to remove the gasket if you want to re-use the glass. Butyl sealant is ok to use.
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Chad 2013 Jeep Unlimited Rubicon OBK#44 "Pleasure in the job puts perfection in the work." - Aristotle (384-322 B.C.) SOLD 1985 300TD - Red Dragon 1986 300SDL - Coda 1991 - 300TE 1995 - E320 1985 300CD - Gladys 2006 Nissan Pathfinder LE 1998 Acura 3.0 CL
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#5
01-21-2008, 06:09 PM
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Is there a DIY sealant material from a tube that doesn't encourage rust?
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1982 300D, anthracite grey, 260k miles, Greasecar 1999 E300D, black, 160k miles, Greasecar 2010 Honda Insight Hybrid http://www.chuckwyatt.com http://www.wordimpressive.com
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#6
01-21-2008, 08:05 PM
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BUTYL, is what he said. You can get it in black and put it between the gasket and windshield or gasket and paint. Clean up with mineral spirits (paint thinner) on the painted areas, and on the glass, wait for it to dry and trim it with a razor blade.
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#7
01-21-2008, 10:18 PM
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Please just sell me that car...or fix the problem.
The shortcut temporary goopy fix just makes it tougher to correct the problem later-on... lookit this http://catalog.worldpac.com/mercedesshop/sophio/wizard.jsp?partner=mercedesshop&clientid=catalog.mercedesshop&baseurl=http://catalog.peachparts.com/&cookieid=2A51DM31N2A51DMDTM&year=1985&make=MB&model=300-DT-001&category=O&part=Windshield+Seal
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Bama1  2008 SLK 280, Firemist Red - "Hurricane" 2001 F150 Lariat 4x4, Black on Black - "Badboy" 1982 240D 4 speed survivor -"Pearl" - Donated to Vietnam Veterans 1962 Oldsmobile Dynamic 88 -"Gertrude" 1954 model original owner - ~2.5M Gray softtop/solid exterior/modified chassis  
Last edited by Bama1; 01-21-2008 at 11:14 PM.
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