[T3] My Car Has Cancer.

[Dave Hall]

The outside of the window seal hardens with time and u/v exposure, but the
inside may still be fairly flexible.  

If the rust has got under the rubber, it distorts the seal when the rust
expands as it forms.

You really need to get to all the rusty area and clean it all off (use a
Dremel maybe?), treat the metal with a rust killer, and give a good few
applications of primer, and colour touch up.  That will probably last a few
years.  

If you can't get to remove all the rust without removing the rubber and
glass, that's what you'll have to do.  

When you've finished whatever repair youm have had to do, it would be worth
getting some sealer between the rubber and the body.  You can buy a thin
liquid that you run in between the surfaces.  If the rubber is split, you
may need something thicker and black coloured.

Dave.
UK VW Type 3&4 Club
-------------

-----Original Message-----
From: type3-vwtype3.org-bounces at lists.vwtype3.org
[mailto:type3-vwtype3.org-bounces at lists.vwtype3.org] On Behalf Of Marklist
Sent: 29 November 2010 06:55
To: type3 at vwtype3.org
Subject: [T3] My Car Has Cancer.

I've got some pretty serious looking rust.  It's at the bottom of the rear,
right side window.  I'm assuming it is from rubber failure.

I'm not in a situation where I can to a proper paint job.  I'm hoping I can
just sand it off and primer the spot.  My concern is that it is from the
rubber failure.  It looks like the original rubber.  I'm afraid that if I
take out the window to get all the rust I will ruin the rubber.

Can I just use some silicone sealer as a temporary, but really long term,
patch for the seal?
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