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Old 03-13-2008, 12:18 PM   #1
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Undercarriage Rust Solution?

I just bought a 1995 YJ and it has some rust on the undercarriage, leaf springs, etc. I would like to know if there are any reasonable methods for cosmetically covering the rust? Spray paint, etc?

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Old 03-13-2008, 12:51 PM   #2
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hey jamey71, welcome to the forum. the leaf springs will be rusty, no problem there. new ones will rust within a year or so. doesn't mean they're bad. undercarriage, though theres a lot to. is there any rotted spots, or wholes? if you spray over rust it will be back less than a year. if you sand it down, clean it up and try to do a great job, prime and paint, it will still come back eventually. i would clean it up, primer, paint, and use a spray undercoating.
i'm struggling with a way of preventing this myself
let me know if this helps

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Old 03-13-2008, 01:01 PM   #3
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Thanks Jpdocdave

Thanks alot. There doesn't seem to be any rotting anywhere, just surface rust. I appreciate the advice and will give it a try!
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Old 03-13-2008, 01:09 PM   #4
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What about that POR stuff? Anyone ever try that?
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Old 03-13-2008, 02:04 PM   #5
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I agree with jpdocdave...

Sand the undercarraige as much as possible. The go to any local autoparts store and buy a couple cans of rubberized undercoating.

I would wear really old cloths while applying and lay a tarp down and drive on top of it. The undercoating is extremely messy. If you get any on your skin be ready to spend a long time trying to get it off.

I have found this effective with both of my wranglers.
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Old 03-13-2008, 03:14 PM   #6
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Quote:
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What about that POR stuff? Anyone ever try that?
I have a buddy with a CJ that swears by the POR products. Great for rust situations.
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Old 03-13-2008, 03:42 PM   #7
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Quote:
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What about that POR stuff? Anyone ever try that?
Thats what im coating my frame with when i replace it. Seems to have a good reputation over at the other forum.
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Old 03-13-2008, 03:48 PM   #8
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That's what I heard too. I was thinking about do that this summer. This salt is just killing the frame.
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Old 03-13-2008, 06:56 PM   #9
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I used a product years ago on a different vehicle called Xtend (sp)*. This was a product developed for the old metal roof RV's and I used it on an old car that had the vinyl roof skin removed. Put it over the surface rust spots and the rust stopped. Never progressed for the years that I had the car.
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Old 01-30-2012, 09:34 PM   #10
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what is the best rubberized undercoating?
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Old 02-04-2012, 07:35 PM   #11
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Por 15 works great

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