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> Hey paint and body guys, have a look at this, and tell me what you think.....
URY914
post Sep 15 2009, 08:10 PM
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This started as a paint bubble and grew to about 2" in diameter than it cracked and opened up.



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URY914
post Sep 15 2009, 08:12 PM
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I decided to open up the wound and see if it was terminal.



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URY914
post Sep 15 2009, 08:14 PM
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The paint peeled off like the icing on a cake...


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URY914
post Sep 15 2009, 08:15 PM
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Finally I get down to the real problem, 3rd degree rust...



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URY914
post Sep 15 2009, 08:17 PM
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I clean it up with a wire brush on a grinder and get the rusted area down to clean metal...



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Ferg
post Sep 15 2009, 08:18 PM
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Bummer. (IMG:style_emoticons/default/sad.gif)
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ClayPerrine
post Sep 15 2009, 08:23 PM
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Wow!!!! You are adding a LOT Of bondo... that sucker is gonna double the weight of your car!!!!


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URY914
post Sep 15 2009, 08:23 PM
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Now I have a open wound that is about 12" x 6". Bondo, primer and paint at the edges.

So now for the expert advice:

How do I treat this???

Etching primer? (IMG:style_emoticons/default/smile.gif)

Rust neutralizer? (IMG:style_emoticons/default/biggrin.gif)

Strip the entire lid? (IMG:style_emoticons/default/sad.gif)

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URY914
post Sep 15 2009, 08:24 PM
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QUOTE(ClayPerrine @ Sep 15 2009, 07:23 PM) *

Wow!!!! You are adding a LOT Of bondo... that sucker is gonna double the weight of your car!!!!


(IMG:style_emoticons/default/lol-2.gif)



Its for my daily driver so weight is not a factor. (IMG:style_emoticons/default/rolleyes.gif)
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bcheney
post Sep 15 2009, 08:31 PM
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Strip, inhibit, prime and "paint the mother PINK"!!!!
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URY914
post Sep 15 2009, 08:37 PM
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"strip" and "pink" in the same reply......go figure.
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FourBlades
post Sep 15 2009, 08:53 PM
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...strip...pink...

(IMG:style_emoticons/default/lol-2.gif)

Kinda reminds me of the movie "Alien".

If you find more areas like this it may be easier to get a new lid that is
in better shape. I don't think you want to get metal ready or ospho on
the exposed bondo edges.

John
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McMark
post Sep 15 2009, 09:11 PM
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I vote new lid.
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URY914
post Sep 15 2009, 09:19 PM
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New lid?
Think GREEN! Recycle, don't throw away.

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Bleyseng
post Sep 15 2009, 09:50 PM
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Grind to clean metal, treat, prime with epoxy paint primer, coat with sanding primer and then finish color ....

yah see now why ya can't bondo over rust? It keeps on rusting... (IMG:style_emoticons/default/barf.gif)
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iamchappy
post Sep 15 2009, 10:22 PM
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Fiberglass lid option.....
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carr914
post Sep 15 2009, 10:41 PM
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I'm going to Gary's tomorrow, I'll see which extra lid I gave them to use on my car. I'll let you know.

T.C.
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dakotaewing
post Sep 15 2009, 10:51 PM
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Wait.... I mean weight...
Is that a METAL lid???
You could lose at least 10-15 pounds by going to fiberglass!
And we all know fiberglass doesn't rust!
I would have figured that to have been one of the very first things you would have done...
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rick 918-S
post Sep 15 2009, 11:26 PM
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It looks like the filler was spread over rust or the filler cracked at one point allowing moisture to creep under the filler. Because it's an outer skin and a large panel I would suggest stripping all the filler and paint off the panel and starting over. If the work over the top of the rust was done that poorly it's likely there is other work on that panel that will come back to haunt you..

The other reason for stripping off all the old work is a problem with the new filler blending into the old fill without causing bridging when the paint is applied. What is likely to take place is a swelling of the edge around the new filler that will be visible after painting. You end up with a bunch of islands and bannanas all over the panel. For the little extra time you will spend stripping the old work off it will be worth it.

Then any place that has that old pitted rust I would hit it with a spot blaster. Here's a link to the tool I'm refering to. There are some very affordable ones out there. Try Harbor Freight and other places if you don't already own one.

http://www.eastwood.com/spot-blaster-with-...pot_sandblaster


Use a good metal conditioner, Bump some of that old damage out before just trowling all that filler back on.... (IMG:style_emoticons/default/screwy.gif)

The rest is basic bodywork 101.
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scrz914
post Sep 16 2009, 12:01 AM
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BONDORAMA!

I've seen that before. It would be alot easier to by a used, straight lid that try to get that one down to bare metal, then get it straight.
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