Rusted Trunk

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FrenchFries
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Joined: Thu Feb 21, 2013 9:00 am

Rusted Trunk

Post by FrenchFries »

I know that its not anything permanent or anything like that but i went ahead and cut the whole spare tire compartment out of my trunk from where it was rusted, i went about 2-3 inches above where the paint was bubbled and easily bent from the rust and made the cuts there. i have 18 gauge steel placed over the top of the compartment with about a 3 inch overlay onto the actual good metal of the car. i had my classmate put tack welds onto the steel to keep it in place and used a tube of seam sealer on the seams on the bottom side of the trunk. i got a can of rubberized undercoating and sprayed both the bottom and the top part of the new piece of steel. i might give it another coat of undercoating tomorrow. the auto body teacher said that that type of rust damage came from water getting into the compartment and being kept in it and not drained or wiped up, he told me this was the best way to fix it and that it would do nicely for a while. i do not want to get rid of my gtz.
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Money pit Beretta
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Joined: Thu Jul 26, 2007 11:36 am
Location: Kansas

Re: Rusted Trunk

Post by Money pit Beretta »

It can come in at the top of the rear window at the corners. There are those little strips that go from the door to the back glass. I don't know why, but as soon as those are gone it will leak.
keep'em flying!
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Koots
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Joined: Thu Apr 19, 2012 8:11 am
Location: Goose Bay, Labrador

Re: Rusted Trunk

Post by Koots »

I basically did the same thing with my 2 rear floor holes. I treated the remaining metal with Navy Jelly (active ingredient: Phosphoric Acid) and then screwed in some diamond plate, tacked it, seam sealed it, painted then undercoated the bottom and top.

I'm hoping it will hold, I was just gonna use seam sealer, but the welder magically reappeared into the shop again one night, after many months of being AWOL. So I decided to put my shaky skills to the test and hope it holds.

My hastily tacked door striker patch is still holding on my K5, so I'm optimistic about it.
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