12/7/2023 0 Comments Rust color codeMines a DD cummins with pitted rust that even though I know my touch up job will probably look like crap, I'm more concerned with killing the rust and still curious how Iron X (ammonium thioglycolate acid) removes the rust, while ospho (phosphoric acid) only converts it? It works perfectly, keeps the sanded area pretty small, but it has none of the drawbacks of the pencil method.That video is for new chips that weren't rusting, and a porsche. What I did instead was I took a relatively large rubber/foam sanding backing pad, cut off a small (probably inch wide) piece off it, wrapped the sandpaper around that, and used that to work and level the touch-up area. Also, because the pencil provides essentially no cushioning (the rubber at the end provides minimal), and because the pressure you exert is distributed on a very small surface area, you'll abrade the paint very fast, meaning you're running the risk of burning through the clear coat in a very short time. For one, it's very hard to keep the pencil perfectly perpendicular to the surface - and if you don't, then the sanding will be unlevel. I've tried this method, and it doesn't work at all. I'm tempted to use rustoleum again because I had great luck rolling it on a white truck, but I don't want any adhesion problems if I repaint with automotive paint later. What I'm worried most about, is not completely neutralizing the rust pits and it returning again, not so much perfectly matching the touch up paint. I haven't asked a dodge dealer yet, but as a daily driver I would much prefer touch up paint because I'm alright with imperfections as long as its not rusting.ĭo you know of step by step instructions for rusty chip repair? Youtube video or sticky thread? However, regular paint has no real blending capability, so you'll have to be more careful how you apply it, and also most likely have to wet sand the surface (and then of course compound and polish it) to get acceptable results.The paint code is PFA, but Dr Color Chip doesn't list PFA as a 1997 truck color. The latter is actually not necessary for a touch up, as you can also use regular automotive (touch up) paint for that, which will be definitely available somewhere. Then you can see whether it's available at Dr. Personally I'd try to touch up smaller defects, and only do a repaint if the results are not acceptable, or if the are already defects that are just too big to be touched up properly. The factory color code should be on your door tag, or sometimes on a similar tag located under the bonnet or under the flooring of the trunk.Ī repaint could have several advantages over a touch up, but it's also more expensive, and if the paint is heavily degraded and/or the body shop can not adjust/match the color properly, you might end up with a panel that has a noticeably different color tone than the original, making the repaint obvious. You should use color codes instead, which definitely identify a particular color, and are easier to look up anyway. Color names are not a reliable way to identify them.
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