Rust on the sunroof, and sunroof only. Metal experts??/

[Alan Pritchard]

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Huw may well be correct about what I said about the bolts. But I thought
some cgts had galvanized panels, the later ones that is, anyhow doesn't
matter. If the rust problem is not about the bolt holes then insulating them
is not really going to help that much, that will only prevent festering
about the bolt holes, obviously the best approach is to treat the surface,
if it's a rally car paint finish is not all that important is it?

Best Regards,
Alan Pritchard
Network Administrator



Tel.  01329 289000
Fax. 01329 289001
www.seaeye.com

-----Original Message-----
From: passat TS [mailto:passat_ts at hotmail.com]
Sent: Friday, November 01, 2002 3:35 AM
To: human747 at attbi.com; rdeis at io.com
Cc: quattro at audifans.com
Subject: Re: Rust on the sunroof, and sunroof only. Metal experts??/

[ Converted text/html to text/plain ]

Huw,

I do have very little rust around the holes, exposed metal.

The rust are in a form of very small dots all over the sunroof, close and
far
from the holes.

Also, I didn't have any sign of this rust before sealing the sunroof with
the
fasteners.

So, based on your observation, I could be stuck in a corner.

At this point I'll try the washers, unless a metal expert comes with a
explanation.

Anyway, thanks to all the help.

Carlos.




>From: Huw Powell
>Reply-To: human747 at attbi.com
>To: Robert Deis
>CC: quattro at audifans.com
>Subject: Re: Rust on the sunroof, and sunroof only. Metal experts??/
>Date: Thu, 31 Oct 2002 13:59:01 -0500
>
>
> > > Two things suggest themselves to me - one, is that I have seen many
4k's
> > > and coupes with rusty sunroofs, and clean roofs and hoods, etc.
> >
> > My 5K shows no rust, but the paint on the sunroof is cracked and peeling
> > horribly, while on the rest of the car the clearcoat is just beginning
to
> > scale up a little.
>
>I assume it is a type 44, then, and the galvanization is protecting the
>sunroof from rust. Type 85's are not rustproofed in this way, so when
>the sunroof paint starts to fail, the metal starts absorbing oxygen in a
>very ugly, disconcerting way...
>
>--
>Huw Powell
>
>http://www.humanspeakers.com/
>
>http://www.humanthoughts.org/

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