Rust all over body - Ram Promaster Forum
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post #1 of 51 Old 04-14-2019, 10:26 AM Thread Starter
yourrealdad
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Rust all over body

Has anyone else had this issue? I have small spots of rust all over my van now.

Van is a 2017. I have owned it since Nov. 2017. Before that it lived in NC, but it had no visible rust that I could see when I bought it. Since then it has been in CO where I hardly drive it. I have put on maybe 15k since buying it and most of those miles have come from driving it home from NC, and long road trips around the south west. I ride my bike to work most of the time in the winter.

Moral is it has spent most of its time in the dry west with very little road use.

Did someone forget primer or do a bad paint job?

Is this a warranty issue?
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Van de Camps: 2017 159" High Roof. Started as a basic b*&%$, but like Beyonce said we can Upgrade U
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post #2 of 51 Old 04-14-2019, 10:46 AM
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Did you cut out any window openings or install a fan? Or perhaps have the van in an area where someone was grinding metal? The rust marks look like ferrous surface contaminates stuck to your paint, not rust from below the paint itself. It's a very common issue and luckily easily fixable (If that's what it is). Try scraping one speck of with your finger nail. If it comes off without leaving a hole in the paint, then you're in luck. If so, just scrub the van on a hot day using some hot water and Oxalic acid and the marks should disappear like magic.

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Last edited by JohnnyRambles; 04-14-2019 at 10:48 AM.
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post #3 of 51 Old 04-14-2019, 10:47 AM
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Does your van have a cutout for a vent fan or windows added aftermarket? If so the small chips of metal from the saw stick to the van’s paint and they rust leaving just that sort of finish. Try a cleaner wax or polishing compound to take them off.

See: https://smile.amazon.com/No7-White-P...s%2C505&sr=8-6

But better still: https://smile.amazon.com/Meguiars-Cl...%2C308&sr=8-13

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post #4 of 51 Old 04-14-2019, 11:01 AM Thread Starter
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I installed two fans, but no windows and the only cut on the side is for a 110v. So this is all from the fans? I cut those out months ago and it has seen a few car washes since then?

Van de Camps: 2017 159" High Roof. Started as a basic b*&%$, but like Beyonce said we can Upgrade U
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post #5 of 51 Old 04-14-2019, 11:30 AM
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Originally Posted by yourrealdad View Post
I installed two fans, but no windows and the only cut on the side is for a 110v. So this is all from the fans? I cut those out months ago and it has seen a few car washes since then?

Yep, and it's most likely much worse on the roof. Don't feel bad, I think just about anyone that wasn't warned in advance (And many that were) did the same thing. Those little bits of steel get everywhere and are easy to overlook and hard to remove (Especially once they're wet).

You can get Oxalic acid in powder form on Ebay and it's really inexpensive. Mix a cup of it about 3 gallon bucket of hot water and wait for a hot day (It does not work in the cold). Just scrub the entire thing down (Make sure to get the roof) and then rinse it clear. Then wash and rinse the van a couple times to remove the residue. I had well water with a high iron content and used to do this all of time. Just from regular washing my white van and fiberglass boats would turn yellow over time. The Oxalic acid takes it off effortlessly with no ill effects (Just be sure to rinse it well as it can leave a chalky residue).

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post #6 of 51 Old 04-14-2019, 11:30 AM
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Airborne contamination can stick to the surface strongly enough that a normal car wash doesn't do a good job of removing it. I agree that this looks like external surface contamination, not corrosion of the metal underneath. It isn't necessarily from anything that you did to the vehicle, apart from perhaps parking downwind of something that was stirring this up.


Try a clay bar treatment ... https://www.google.ca/search?source=...kqoc#kpvalbx=1
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post #7 of 51 Old 04-14-2019, 11:57 AM
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The body is galvanized it doesn't really rust. I've had two bare spots of metal for a couple years. Still no rust on them.
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post #8 of 51 Old 04-14-2019, 12:19 PM
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You might have some luck with a clay bar.

How well did you clean up after the fan installs?

Have you looked at the roof?
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post #9 of 51 Old 04-14-2019, 12:59 PM
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For large areas I'd caution against using a clay bar or rubbing/polishing compound. While they will remove the rust, it's important to remember that the specks of rust still contain a shard of rusted steel. A clay bar or compound and a wheel will dislodge them, but then they are trapped in the clay or pad and forcefully rubbing against your paint. I know we're not talking about show cars here, but it's still something to consider.

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post #10 of 51 Old 04-14-2019, 01:00 PM
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Doesn't the clay trap the contaminates?
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