How do i repair rust spots/holes? -

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post #1 of 5 Old 09-03-2012, 11:29 AM Thread Starter
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1974 CJ5 
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How do i repair rust spots/holes?

For some strange reason my 74 has a few rust spots or more accurately holes. I have never done any sort of body repair. My question is what is the best way to go about repairing these spots. I think some of these can just be repaired with body filler, but again i am not sure.

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post #2 of 5 Old 09-03-2012, 11:31 AM Thread Starter
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The smaller rust holes in the body
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post #3 of 5 Old 09-04-2012, 01:00 PM
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Hate to be the bearer of bad news but I wouldn't use body filler to help with rust holes. It will come back quick to bite you and be even worse. I would look at cutting out the bad and welding in good metal.
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post #4 of 5 Old 09-14-2012, 12:58 PM
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Yes the only way to truly fix it is to cut out the rot and weld new metal in. Then some light filler goes on top of that. If you do decide to weld it make sure that there are no holes at all. To truely seal it put a seam sealer on the other side if you can. Then undercoat that same side.
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post #5 of 5 Old 09-16-2012, 09:35 PM
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That rust formed between two layers of metal,where water got trapped. Ideally, you'd have to cut out a large enough rectangle out of the outer skin, to allow you to fix the rust on the inner piece,too. Then, finish repairing the outer skin.

Proper auto body repair is not the faint of heart...there's metal cutting, grinding, welding ( or riveting) involved. There are no long lasting shortcuts. Then, there's the painting aspect, too.

I'm not trying to discourage, just pointing out the reality of it.


'79 CJ5, AMC 360, t-18/d20 twin stick, dana 30/amc20(Mosers), Edelbrock Performer intake, Holley 600, ps/pb, DUI HEI, 'glass tub/1pc. tilt nose, 33x12.50 BFG AT's.

There's a fine line between "hobby" and "mental illness".
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holes , rust , rust repair

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