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Old 01-19-2014, 01:26 PM   #1
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Cleaning crud out of frame

I bought a 97 TJ Sport yesterday and am pleased to report the frame isn't rotted out.... yet.
I stuck my fingers in the various holes and found that while it hasn't rotted out it IS filled with dirt and crap.
My question is regarding the best way to both clean out the crap in there and prevent new crap from getting in.

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Old 01-19-2014, 02:15 PM   #2
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One thought that I had was to cut a hole in the bottom of the frame at the lowest point, but cutting the frame to keep it from rusting seems both insane and counter productive.

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Old 01-19-2014, 02:28 PM   #3
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…but cutting the frame to keep it from rusting seems both insane and counter productive.
x10

You can flush out the crud with a hose, then use: http://www.eastwood.com/internal-fra...nozzle-qt.html
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Old 01-19-2014, 02:29 PM   #4
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You can get the dirt out by just flushing it with water for a while. There's still little rocks in mine and when it's nicer i'm gonna snake a hose in with a shop vac and just take some time. I ran a pressure washer through mine at a car wash and watched all the dark water come out
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Old 01-19-2014, 02:55 PM   #5
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Low pressure garden hose. Front to back, back to front. Just let it run.
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Old 01-19-2014, 03:06 PM   #6
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Thanks folks, looks like I have to wait for a bit warmer weather to start
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Old 01-19-2014, 05:41 PM   #7
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I used a magnet on a flexible shaft to get as much of the loose rust chunks out. The blew compressed air in and used my shopvac over the factory openings in the frame. I did mine in the middle of the winter in my garage so water wasn't really an option. The compressed air/ shopvac worked really well. A bit tedious, but end up getting the frame perfectly clean inside. Then as above, I coated it thoroughly with the Eastwood interior frame treatment.
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Old 01-19-2014, 08:59 PM   #8
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How many cans of the Eastwood coating are needed for the treatment?
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Old 01-19-2014, 09:11 PM   #9
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How many cans of the Eastwood coating are needed for the treatment?
Would love to know as well. this is my summer plan.
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Old 01-20-2014, 04:30 PM   #10
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Focusing on one "treatment" is missing the big picture. The frame requires attention and touchups throughout the life of the vehicle, moreso if you expose the frame to rocks and road salt.

Keep the frame clean inside and out and touch up bare metal--that's it. No more, no less. You don't need to spend big bucks on a chassis treatment product. Cheap rattle can enamel works and looks great. My frame looks spotless inside and out because of frequent cleanings and touchups when needed.
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Old 01-20-2014, 05:14 PM   #11
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Focusing on one "treatment" is missing the big picture.
Nobody said they're "focusing on one 'treatment.'"
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Old 01-21-2014, 09:05 AM   #12
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One thought that I had was to cut a hole in the bottom of the frame at the lowest point, but cutting the frame to keep it from rusting seems both insane and counter productive.
Define cutting? You'll find that PLENTY of people drill small holes in the bottom of the frame to help flush it out. For the LIFE of me I could not get a hose to clean all the sand and misc dirt out of the frame, I'd let it sit there and run and run. The water would come out clear, but after everything dried it would still be there. I put a 1/4 drainage hole on each side near the front (the jeep front sits lower than the back to help with any load you may put on the back) and it works wonders. Of course, you'll need to coat it with a sealant, rustolium or something of the sort. I will be going to 3/8's this weekend as I just dont think 1/4 is enough. I've talked to plenty of jeepers and welders who all agree that this will not sacrifice the structure of the frame. in the even that you're worried it might you can thread it and put a stainless steel bolt in it, this will be just as if you never put a hole in it.
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Old 01-21-2014, 09:06 AM   #13
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And on that note, I put the holes in it a DAY AFTER I flushed out the frame, and when we put the two holes in the fronts, water started coming out, meaning it didnt all leave the jeep when I drove it and parked it on a angle. Glad I did it, it'll help prevent the frame rusting in there.
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Old 01-21-2014, 06:23 PM   #14
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And on that note, I put the holes in it a DAY AFTER I flushed out the frame, and when we put the two holes in the fronts, water started coming out, meaning it didnt all leave the jeep when I drove it and parked it on a angle. Glad I did it, it'll help prevent the frame rusting in there.
I had heard this about drilling the holes before but I was worried I would further compromise the frame. I may go with a couple of 3/8 holes just to make sure there is no water laying in there, and also to help get all the crap out.
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Old 01-22-2014, 07:49 AM   #15
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I had heard this about drilling the holes before but I was worried I would further compromise the frame. I may go with a couple of 3/8 holes just to make sure there is no water laying in there, and also to help get all the crap out.
If the jeep is not lifted, just do it on each side towards the front of the frame, right after it slopes down. Stock height jeeps are lower in the front just like pick up trucks, all the water will gradually flow forward. Although I did the rears first, so I have them in front and back lol. If you're worried about compromising the frame, just tap it and put a stainless steel bolt in it, it will be as if you never drilled it
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Old 01-23-2014, 06:37 AM   #16
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2 cans per side of frame for the Eastwood, or 4 total does the job nicely. I coated mine real good. Make sure you have drop clothes or something similar under the frame as you do this. You will get some drips.i
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Old 01-23-2014, 08:00 AM   #17
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I used 4 cans also. You might be able to get by with 3 cans, but 4 cans really gives good coverage.

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