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Old 08-08-2017, 10:08 AM
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Rust Bubbles Roof and Qtr Panel

2005 Hyundai Elantra, rust bubbles forming on front of rof by the windshield. Few years back, sanded put down Eastwoods Rust Encapsualtor, primer, paint now it is back. and Qtr panel between panel and fender? Now, this time I sent away for and Angle Grinder, Mort-Rust, etc etc... Any suggestions, likeafter done shoud I caulk between window and roof ? Thanks

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Old 08-08-2017, 10:11 AM
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Forgot

I forgot going to use a product called RAGE to bond...
Fred J....Thanks
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Old 08-08-2017, 12:04 PM
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You want my honest opinion?

Leave it and drive it until it falls apart. That rust is coming from the inside, "bubbles" don't typically start on the outside, the bubble you are seeing is the paint being pushed up by rust and moisture from the hole that is in the metal rusting from the inside. The metal under the window moulding is probably rusted thru and the moisture is coming up under the inner panel under the roof.

Sounds like you are in a rust prone area and that's all there is to it.

If you want to really fix it, you are going to need to pull the interior out, the glass out and weld up holes and make patches and then shoot a cavity wax inside so it "seals" up the rust.

But realistically, drive it until it dies.

Brian
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Old 08-08-2017, 03:26 PM
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a 10 year old Hyundai is just not worth fixing. if that is showing up again there is far more of it than that. the encapsulater guaranteed it would fail and the rust will continue.
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Old 08-09-2017, 06:52 AM
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Quote:
Originally Posted by jake9364 View Post
I forgot going to use a product called RAGE to bond...
Fred J....Thanks
Bonding with Rage? Encapsulator on exterior? Caulking? Hyundai? No to all. Sounds like you need a welder and some windshield adhesive if you want a repair that will last.
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Old 08-09-2017, 09:42 AM
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Quote:
Originally Posted by idrivejunk View Post
Bonding with Rage? Encapsulator on exterior? Caulking? Hyundai? No to all. Sounds like you need a welder and some windshield adhesive if you want a repair that will last.
Which will require the windshield and headliner removed, or the back glass. Any fix without removing the glass where the rust is, well, like I said, just drive it.

If you are welding you would need to remove the headliner and cover the interior with a fireproof blanket....like I said, just drive it.

Brian
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Old 08-09-2017, 09:44 AM
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Now, if you REALLY want to do something here, post photos so we can see exactly what you are talking about, a number of photos showing where it is and so on.


Brian
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Old 08-09-2017, 12:33 PM
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Yep photos would help. It is common to have rust start in that roof spot after a windshield replacement due to scratched paint hidden below the molding. There isn't really a good fix for that without removing the glass again but at least that would mean rusting from the outside. If it isn't leaking there might be a chance to save the metal. I did not have very good luck with rust-mort but it was a long time ago when I last tried it. Might work with the right technique.

The rage could be for bondo-ing because my auto correct puts bonding when I type that, and caulking could be seam sealer in some dialect. This could be a situation where english isn't the primary language and where cars are harder to come by. Just saying. The communication will need to be more fluent to be effective though, and enthusiasm over that car brand is nonexistent right here.
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Old 08-12-2017, 01:05 PM
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Cant tell where your located either, its not filled out. The answer you get depends on it.
If I was you I'd start looking the car over REAL good, if your seeing rust up there then what's the underneath look like? Chances are your from the north or by the ocean and the whole car is starting to rust everywhere and not worth fixing mabee even dangerous to drive have someone put it up on a lift and check it out good then decide what way to go.
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Old 08-12-2017, 02:29 PM
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My 05 Infiniti is rusting on the roof also.
It's from the outside. 99.9% sure.
The hood is fine with no rust at all and probably has a decent thickness of paint on it....new cars....junk!!

I'm gonna drive it til it starts to dribble on my lap and then trade it in during a sunny dry spell.
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Old 08-12-2017, 02:44 PM
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When I lived in central Fla. the cars rusted from the top. It was very common to see a rotted out roof and the rest of the car was perfect. Strange because in N.Y. they rot from the bottom up. The humidity was so bad in Fla. you could strip paint to the metal and the next day you have surface rust everywhere. You could almost watch it rust.
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