[codefox1]

Of course it depends. Removing rust on a steel chassis will undoubtedly remove plating as well, and require paint at the minimum, and replating at the maximum. Not so sure there is an in between other than painting the crap left by leaking capacitors and vermin, nicotine, and whatever, and gentile cleaning, and maybe a little varnish of some kind.

100 variations and 300 solutions to this problem. I really like Rustoleum.