This might work, it did for me.

http://www.duplicolor.com/products/repair.html

Hector
1990 Carat 'Ursula'

On Mon, Mar 30, 2009 at 2:20 PM, Rocket J Squirrel <
camping.elliott@gmail.com> wrote:

> Mellow Yellow was always a SoCal van, with no sign of rust, even under the
> floor and behind the reefer. We moved here to Bend, Oregon, which is high
> desert and pretty arid, too, so I'm not expecting Pacific Northwest or
> East Coast (USA) grade rust, ever.
>
> That said, a couple days ago I spotted a ding above the sliding door
> handle that looks like it wants attention. I could use a tip or two on a
> way to tidy this up and halt the rust. I don't have a paint booth or
> sprayer. I do have chewing gum, though.
>
> Please see
>
> http://picasaweb.google.com/j.michael.elliott/Vanagon#5319046442995891378
>
> --
> Mike "Rocket J Squirrel" Elliott
> 84 Westfalia: Mellow Yellow ("The Electrical Banana")
> 74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
> Bend, OR
> KG6RCR
>