Re: Cleaning Calipers?

["Fred Munro" <munrof@isys.ca>]

Sandblast, my good man, sandblast! It is the only way I know to thoroughly
cleaning rough cast or pitted metal. It also leaves a mechanical key for
superior paint adhesion. Follow the sandblasting with a phosphoric
acid-based metal treatment to chemically clean the surface. You will need
good adhesion and good paint if you expect it to last on the calipers.
    Have you considered powder coating? Maybe in yellow? :o)

HTH

Fred Munro
'91 200q  280k km


----- Original Message -----
From: Alexander van Gerbig <Audi_80@email.msn.com>
To: Quattro List <quattro@audifans.com>
Sent: Saturday, August 28, 1999 4:18 PM
Subject: Cleaning Calipers?


>     I have been cleaning my used set of G60's for some hours now and have
> gotten a good distance, but it has come to the point where my brass brush,
> steel wool, and brake cleaner/WD40 can do anything more.  What can I do to
> get these cleaner that I can do myself?  Little rusty speckles in the pits
> of the caliper that I can't ride them of.  I actually slopped some rock
> miracle paint stripper on the carrier which which has no rubber bits
> attached to it and it helped a bit, but not much.  That stuff is STRONG!
> Any BTDT for cleaning brakes for painting?
>
> Thanks!
>
>     Alexander van Gerbig '88 80
>
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