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Thread: Water ingress into interior help

  1. #1
    Join Date
    Jul 2020
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    Exclamation Water ingress into interior help

    I finally broke down and have started tackling the job of replacing the carpet in the Marauder now that it's back from Mo's. I removed the seats, center console and carpet and discovered some mold in the front of the passenger footwell. The thick lining against the firewall was soaked. There was also a sheet of paper left over from the factory build of the car that was black with mold.

    I didn't notice an inordinate amount of rust, so I don't think it's been wet for a long time. I did run it through a robo wash not long after getting it back, so I'm wondering if the high pressure water found a way in. I've done the old school method of shining a high intensity flashlight all around the firewall looking for light making it through but I can't see any.

    Are there common areas where these are known to leak? The firewall grommet that I used to use for emergency light installs in CVs seems in place and sealed.

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  2. #2
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    Theres is a condensate drain that has been known to clog and cause water to leak back into the interior. If I recall correctly it is accessed by removing part of the RF wheel well plastic liner. You can then see where the drain extends through the firewall. I removed the RF wheel when I had to do this some years ago.
    Last edited by 69marquis conv; 01-03-2021 at 05:11 AM.
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  3. #3
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    Quote Originally Posted by 69marquis conv View Post
    Theres is a condensate drain that has bene known to clog and cause water to leak back into the interior. If I recall correctly it is access by removing part of the RF wheel well plastic liner. You can then see where the drain extends through the firewall. I removed the RF wheel when I had to do this some years ago.
    So you're saying this is a drain and NOT the mouse nest option? 😂

    Thanks so much!
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  4. #4
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    Check the hood release cable grommet, mine cracked and became a funnel.
    2003 Black - sold, back again, and sold
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  5. #5
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    I found a pic Attachment 51323
    2003 Black - sold, back again, and sold
    2003 DBP/DC - #153 Whipple 3.4 (permanent garage art)
    2003 DBP/LF - # 36 (Sold)
    2003 DBP/LF - # 205 (Sold)
    2004 Black - Trilogy #43
    2003 Black - shitbox

  6. #6
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    Quote Originally Posted by Comin' in Hot View Post
    Check the hood release cable grommet, mine cracked and became a funnel.
    Will do! The drain mentioned earlier literally had a rats nest in it lol, but with everything out of the interior I'll check / seal everything I can!

  7. #7
    Join Date
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    If it's anything like the Towncars this fix has helped many of us with front passenger leaks.
    Lincolns OnLine | Tech Tips and Articles

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