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Rejuvenate an L400 front sunroof seal

Posted: Thu Aug 02, 2012 8:33 am
by lettereleven
With thanks to Drumster, I believe I have fixed my leaky front sunroof. Thought I would share it for any others who might have an old gasket.

I have taken two approaches to fixing the leak. Previously, I took the overly cavalier approach and siliconed the whole thing shut. Worked great but has clear implications for functionality.

The second road taken was to revive the gasket a bit with some detailing product. Then stuff a piece of cotton string under the gasket. The string flares up the gasket enough to seal but not so much it causes problems.

So far it's working very well.

Lesson learned for me: only silicone things closed when you are confident that you will never ever ever ever open tem again. Silicone removal is a wretched task.
ImageUploadedByTapatalk1343921583.469509.jpg
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ImageUploadedByTapatalk1343921599.984878.jpg
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Re: Rejuvenate an L400 front sunroof seal

Posted: Thu Aug 02, 2012 12:17 pm
by jessef
the string is a good idea. 8-)

this is what I've been using in the past. seems to work well on the sunroof membrane as well.

http://www.delica.ca/forum/water-gettin ... -3953.html

Re: Rejuvenate an L400 front sunroof seal

Posted: Fri Mar 22, 2013 5:18 pm
by cd_photo
This is a tip i can really use right now. One question though. How did you get the string to stay in place on the sunroof?

Thanks,

Colin

Re: Rejuvenate an L400 front sunroof seal

Posted: Fri Mar 22, 2013 5:33 pm
by Pajero
cd_photo wrote:This is a tip i can really use right now. One question though. How did you get the string to stay in place on the sunroof?

Thanks,

Colin
I think he put it under the gasket to push it out a bit, not on top like in the picture.

Joe

Rejuvenate an L400 front sunroof seal

Posted: Sat Mar 23, 2013 8:35 am
by lettereleven
Yes the string is pushed into the seal on the interior side of the sunroof.

Re: Rejuvenate an L400 front sunroof seal

Posted: Sun Mar 24, 2013 10:18 am
by cd_photo
Ah, I get it now. Thanks! How hard is it to remove the sunroof?