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xevman 05-09-2014 01:31 AM

e46 rust concern
 
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Hey guys today i was inspecting my car and noticed a piece of mud that was stuck inside my door trim. I pulled it off and noticed that surface rust had started to form underneath the mud. Should i be concerned about it? i sprayed a good amount of wd40 on it to stop it from spreading but what should i do about it?

Here is a picture

jjp735i 05-09-2014 03:51 AM

Living in the northeast all my life I have to say, YES, be concerned. You need to grind it all off and get rid of it. Rust will never stop spreading once started.

Properly done, you can stop it. Sand, grind, use some good anti-rust and paint and seal. But get rid of it now before it's to late.

They do sell some good stuff that will turn it rock hard and black, but I don't remember the name of hand, but it works good and will not spread. Still, best way is to grind it off and treat it and paint.

Good luck.

jeepo23 05-09-2014 06:38 AM

Quote:

Originally Posted by jjp735i (Post 16147448)
Living in the northeast all my life I have to say, YES, be concerned. You need to grind it all off and get rid of it. Rust will never stop spreading once started.

Properly done, you can stop it. Sand, grind, use some good anti-rust and paint and seal. But get rid of it now before it's to late.

They do sell some good stuff that will turn it rock hard and black, but I don't remember the name of hand, but it works good and will not spread. Still, best way is to grind it off and treat it and paint.

Good luck.

It's POR15.

Stuff works, if done properly, takes some work.
I got rust on my ride also, mainly on the door lips down below.. hopefully in the next month or so I'll tackle that and planned to use POR15.

choxor 05-09-2014 08:55 AM

That's the rust you see. The area needs to be ground out to determine how bad it really is. Take it to a body shop. Rust is a cancer.

hitbyastick 05-09-2014 10:21 AM

Body shop is the best solution, but there is a product called Rust Bullet that is silver in color and very comparable to POR15 and some say better. If you DIY I recommend mechanical abrasion, naval jelly, then an epoxy sealer such as Rust Bullet or POR15.

shovelit 05-10-2014 01:12 PM

I just had some rust taken care of last week. Tiny blister on left rear 1/4 panel where the bumper cover meets it.
Body shop removed the bumper cover and found same thing on the right just not showing yet.
They did a FANTASTIC job and the price was more than fair.


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