GolfGTIforum.co.uk
General => Cosmetic and bodywork matters => Topic started by: Wurzel on 10 April 2010, 16:30
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My mk4 has some rust around the wheel arches, what should I do to stop it spreading? What products should I use?
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there is no real way to stop it spreading without getting it cleaned back to metal and then resprayed.
There is a product called curerust that will treat it, but if its on your wheel arch you'll need to remove the arch lining and check the other side to ensure it isnt all the way through.
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the only way to fix rust is to completly remove it and weld in new metal. its like a cancer for cars, once its in you can paint no end of rust resistant primer, rust killer/bodyfiller and grind as much rust off as you like it will always come back. it was the only thing putting me off getting a datsun 240z or a ra22 celica gt (classic jap motors from the late 60's/70s) after doing 2 full major restorations on my last 2 crx's (i have had over 6 of those) you get used to dealing with it.
if you are going to insist on using a rust killer do as above and grind as much out as you can, rust killer the metal thats left then paint a 2 part high solid content epoxy base/primer over it. epoxymastic is fantastic (and silly expensiave) but its sooo dammed good, it seals the metal or what ever you paint completly from oxygen and moisture (makes hammerite look like watercolor paint) its also suitable for wetsanding down and its 2 pac paint safe :)
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thanks guys
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epoxymastic eh? not too expensive when you consider the price of body work, weldin etc.
http://www.rust.co.uk/epoxy-mastic.cfm
Will have to try some of this stuff out on the mk2