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#4437694 - 06/21/17 02:47 PM Removing rust stains from paint?
ArtDecoWorld Offline


Registered: 01/02/17
Posts: 23
Loc: CA
I have a vehicle (older van) in which some rust near the bottom of the window has run down and stained the paint below it. It's not under the paint, just a stain. I've tried Goo Gone (I think that's what it's called), soap, and a few other around-the-house cleaners. No luck.

Any thoughts?

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#4437696 - 06/21/17 02:50 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
Miller88 Offline


Registered: 04/09/08
Posts: 12698
Loc: Onondaga County
Have you tried claybaring or polish?
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#4437699 - 06/21/17 02:55 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
ArtDecoWorld Offline


Registered: 01/02/17
Posts: 23
Loc: CA
I haven't. I've never used a clay bar or polish. Maybe I should check some YouTube videos?

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#4437721 - 06/21/17 03:14 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
ecotourist Online   content


Registered: 07/09/08
Posts: 1067
Loc: British Columbia, Canada
I have some 3M brand Swirl mark remover (a very fine polish) that should work well.

I removed a layer of rattle can graffiti from a cousin's new car with it. Perfect job. He though he'd have to get the door repainted.

I use a random orbital sander with polishing pads and quit as soon as possible. I think you could overdo it.
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#4437722 - 06/21/17 03:15 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
JC1 Online   content


Registered: 11/29/08
Posts: 2998
Loc: Oshawa, Ontario Canada
Can you post a picture of the stain?

I would try a mild polishing compound first.
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#4437736 - 06/21/17 03:32 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
bioburner Offline


Registered: 09/19/16
Posts: 1418
Loc: Minnesota
Lime away is a product that removes hard water stains etc. What it is for the most part is citric acid. I buy water softner(citric acid powder)cleaner powder for use in washing machine, dish washer and does a fantastic job of removing tarnish from pistol and rifle brass with a hot soak. The lime away ad on tv shows the removal of iron stain from the side of a house. But latex paint is much more porous as well as cement block.
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#4437771 - 06/21/17 04:04 PM Re: Removing rust stains from paint? [Re: bioburner]
SatinSilver Offline


Registered: 01/24/08
Posts: 10128
Loc: OH
Just did this recently. Iron Remover is what you need:

http://www.autogeek.net/iron-removers.html

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#4437904 - 06/21/17 07:13 PM Re: Removing rust stains from paint? [Re: JC1]
ArtDecoWorld Offline


Registered: 01/02/17
Posts: 23
Loc: CA
Thanks for all the suggestions.

Originally Posted By: JC1
Can you post a picture of the stain?

I would try a mild polishing compound first.


Here's a photo, it's like this in a few spots. (The dark area is a decal.). The paint is 30 years old, so I don't think whatever clear coat is still there is very strong.


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#4437933 - 06/21/17 07:56 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
BrocLuno Offline


Registered: 09/06/15
Posts: 5502
Loc: Kalifornia Kollective
I always use Ajax Cleanser with a scrub mitt (has built-in bleach). Wet the area, a big batch of Ajax powder in the palm of a wet mitt and scrub away in circular motions. Always pulls the stains away, removes oxidized paint, and makes the surface ready for a polish or wax.

My 29 year old white big Bronco sits out in all weather. Every spring I spend a day with Ajax and a mitt. Still on the original paint except for the replacement hood. I always get compliments on how nice it looks all summer smile
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#4438045 - 06/21/17 10:18 PM Re: Removing rust stains from paint? [Re: SatinSilver]
HoosierJeeper Offline


Registered: 11/23/16
Posts: 1276
Loc: WI
Originally Posted By: SatinSilver
Just did this recently. Iron Remover is what you need:

http://www.autogeek.net/iron-removers.html


This. Iron X and Sonnax Fallout remover are good. Use whichever!
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#4438114 - 06/21/17 11:45 PM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
DrRoughneck Offline


Registered: 02/05/16
Posts: 514
Loc: USA
Rust stains chemically dissolve in lemon juice and saalt per: https://www.thoughtco.com/how-to-remove-rust-stains-606157

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#4438257 - 06/22/17 07:34 AM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
doitmyself Offline


Registered: 06/03/02
Posts: 6213
Loc: MI
I'm curious if the rust stain is just on the surface or has it penetrated into the paint or clearcoat at a molecular level. If it is the second case, then abrasive polishing compounds will probably not be effective.

Products like Super Iron Out are excellent at removing rust stains, but it would be wise to investigate if it is safe for use on paint.

Please follow up with your outcome.

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#4438333 - 06/22/17 08:56 AM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
gofast182 Offline


Registered: 04/30/13
Posts: 1691
Loc: NJ
I haven't encountered stains that look quite like that but for spots stuck to the finish I use Auto Finesse Iron Out. I would try a specially-formulated product before using salt and lemon juice on clearcoat you think could be suspect.
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#4438365 - 06/22/17 09:32 AM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
mightymousetech Offline


Registered: 04/03/17
Posts: 1443
Loc: Ontario, Canada
All the professional detailers I know use Iron-X. Stuff stinks though.
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#4438443 - 06/22/17 11:02 AM Re: Removing rust stains from paint? [Re: ArtDecoWorld]
ryanschillinger Offline


Registered: 12/13/10
Posts: 875
Loc: California
I see you're in California. If you're nearby I have iron remover spray, clay bar, and compound. You can swing by and take care of it. Buying all the stuff is expensive especially if you're only going to use it once. Just buy me some beer or something. I'm in Buena Park though.
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