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Old 10-31-2012, 11:19 AM   #1
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Cleaning Rust from inside of frame

So I've read some post about rusty frames and how they rust from the inside out. So I went out and checked my 2001 TJ and stuck my finger in one of the holes by the skid plate. Sure enough there's a bunch of crap in there. My question is whats the best way to remove the chunks of rust from inside the frame and then treat the metal?
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Old 10-31-2012, 11:23 AM   #2
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I drilled 1/2" drainage holes in my frame, right in front of the rear tires (flat part of the frame right before is slopes up at the back tires).
Then put hose in from front and back and flush until clean.

I think Eastwood is the name of the company that makes a sealant for the internals of your frame.

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Old 10-31-2012, 11:57 AM   #3
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^^ x2 what SinfulDragon said. Here is a good read on it.
Eastwood Internal Frame Coating - JeepForum.com
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Old 10-31-2012, 05:08 PM   #4
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This is up to you because it is an untested modification, but since they are apparently designed to fill with water and hold it inside indefinitely, I blew out the loose rust and drilled a series of small drain holes in mine. Painted the drilled holes, of course, and treated inside with rust catalyzing primer and 3M Rustfighter I. Time will tell how that works, and I'd have tried the Eastwood product if I'd known about it. However, I've had good results on other vehicles by my method before.
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