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Sticky window seal

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Rubber window seal is sticking when rolling down the driver side window. Rubber grabs the glass, gets folded in / down and puts unnecessary strain on window regulator mechanism, not to mention the terrible squeak.


Tried dry lubing the seal with teflon spray (PTFE) to no avail. Upon closer inspection it is obvious that the inner lining (the soft hairy stuff) has worn away at the contact area where it hits the glass. Also, the lube leaves residue on the glass.


So, time to replace the rubber seal. PET is unclear as to what part is needed. Any thoughts are welcome.



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Looks like there are two seals for the driver side glass. One covering the outward facing surface of the glass and one covering the inner surface.


The one covering the inner glass surface looks like this http://www.ebay.com/itm/Porsche-996-Door-Seal-Inner-Left-99653753106-/221117865820

You can see the soft hairy stuff. It's part #5 here http://www.autoatlanta.com/porsche-parts/hardparts.php?dir=986-97-04&section=804-10


The one covering the outer glass surface seems to be Part #4. You can see the hairy stuff in this photo


Edited by Ahsai
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That's it! #4 is the correct one and with a pic of the actual part it all starts making sense. At $199 I am inclined to search for some of the hairy stuff as a stick-on tape first though.


Will give this a try: http://www.amazon.com/dp/B000QDRRNE/ref=biss_dp_t_asn

Edited by flyingpenguin
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Success! But not until after a few tries..


Tried to wiggle the sticky felt tape underneath the outside window seal after cleaning with some brake cleaner (just a little bit on a rag), but even with an extra pair of hands it's impossible to get it nice and straight. Thankfully the roll of tape that I ordered had plentyon it, even after a few failed attempts.


Finally got to removing the door card yesterday (I am sure there are DIY's on this or other forums), which then allows you to pull up the inside window seal and leave it dangling from the foremost attachment point (by the side mirror. With the window rolled all the way down, you can now position the felt tape underneath the seal, about a half inch in. After pressing it down along the entire length of the outside seal, there will be a good half inch sticking out that needs to be removed. I figured that scissors could do the job, but the adhesive backing is likely to stick to it.

With a razor and steel ruler positioned underneath the felt tape (so kind of inserted under the seal), I managed to score the felt tape along the entire length, and make careful cuts to remove the excess material.


Problem solved. No more rubber sticking to the window when rolling it down. Not sure how durable this solution will prove to be, but definitely worth the try.

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