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Hit it with wire brush. Clean everything well with rubbing alcohol. Spray on the rust converter primer as mentioned and then paint.
If moisture and road chemicals/salt will be a regular issue in the door skids apply a product like fluid film over the cured paint. Re applying yearly if needed.
Well, that's not rust. Not even one bit of rust in there actually. That's the body cavity anticorrosion spray from manufacturing. Spray some waxoyl (look it up) or some 3M cavity wax over it. Also Wurth Cavity Wax is a good product. Unsure what LR used back in the day but all of my D2's have had this as well. Easier to see on silver/white/light colored cars.
Over time it yellows, gets mildewed, dirty and that is what you are seeing.
You can see on the photos that the "rust" you are seeing is actually on top of a decal or piece of plastic over the metal in this photo.
Looks like rust to me. I've not done any body work on the doors but I've been in them a few times, I believe while many body parts are aluminum on the disco, the doors are steel zinc coated skins.
Maybe I'm wrong, perhaps the op is in the south east and playing in iron rich red clay.
Last edited by PickleRick; Jul 16, 2024 at 08:23 PM.
Then rust is probably the least of your worries, I'm surprised there's not 12 different species of venomous creatures in that door panel.
If I was in a coastal region and liked my vehicle, I would treat it just like a vehicle from the rust belt of the USA, regularly cleaned and treated with frame/body/undercarriage protection.
The salt is everywhere. Roads, air and even in the bed sheets.
Cheap way to treat this rust *inside* the door?
