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Old 02-06-2012, 02:37 PM   #1
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Just cleaned inside of frame...WOW!!

well it was a nice day out today, decided to clean the inside of my frame, i knew it was gonna be bad but i was blown away at how much i got out. I took a standard air blow gun and got a adapter to atach a 3' piece of steel brake line and went to town, took about 2 hours, i could of easily filled a gallon jug, had huge rust chunks,sand, and mud, it was all dry so it came out pretty easy, i had to stick my fingers in the holes and break up some of the big chunks of rust. then i sprayed the inside of frame with fluid film. came out good. feel alot better now that all that crap is out...

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Old 02-06-2012, 03:14 PM   #2
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Great work! We all should do the same cause most don't realize the buildup and rust inside the frame.

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Old 02-06-2012, 03:25 PM   #3
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Its to bad the frame is designed like it is,i wonder how many people have dangerous frames and dont even know it since they rust from the inside out
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Old 02-06-2012, 04:40 PM   #4
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wow, that sounds like a good idea with the air hose and adapter. I installed a new set of rocker guards yesterday and I was looking at my frame while I was under there. I really need to clean mine out. There is definitely a noticeable difference in the frame thickness in certain areas. 90% of the frame looks good, but the typical bad rear frame section (right in front of the lower control arm mount) isn't looking too good. I'm going to use the Eastwood rust converter that is made for the inside of frames once I clean it out. I just hope that the cleaning doesn't turn into an "oh sh*t" moment if I find problems.
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Old 02-06-2012, 04:42 PM   #5
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Its to bad the frame is designed like it is,i wonder how many people have dangerous frames and dont even know it since they rust from the inside out
exactly...I was surprised how big some of the chuncks where..I had to break up alot of the rust to get it out thru the frame holes
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Old 02-07-2012, 10:29 AM   #6
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I just went to the car wash and sprayed the inside of the frame....the water was nasty. I kept spraying until the water cleared up. What do I need to put inside the frame to protect against rust? What about the outside of the frame and skid plates? Is POR-15 good stuff? Or is there something better?
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Old 02-07-2012, 10:42 AM   #7
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I just went to the car wash and sprayed the inside of the frame....the water was nasty. I kept spraying until the water cleared up. What do I need to put inside the frame to protect against rust? What about the outside of the frame and skid plates? Is POR-15 good stuff? Or is there something better?
I'm thinking of trying this for inside the frame
Oil in frame to stop rust - JeepForum.com
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Old 02-07-2012, 10:48 AM   #8
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Keep in mind that as you was out dirt and grime, you may also be exposing good metal surfaces to air and water. I am not so sure I would clean unless I was ready to protect. Rust flakes by themselves are not bad. What is bad is that there was a cause in the first place to produce the rust.

It is easy to think of rust as a cancer tumor that grows, but that is really not how it works. You can clean the rust off, and it will just start again. Or you can leave it be, and it will also keep going but actually a little slower.

Best thing possible would be to remove the chunks and then treat with an appropriate converter or encapsulating agent.

I am going to treat mine in the spring.

Those of you that mud could have the biggest problems. Why? Mud coats the metal. It can protect the surface from oxygen but also creates an anaerobic environment. When this happens anaerobic bacteria will survive. In short, those bugs poop out acid and will corrode steel very quickly and very localized especially if wet.

If you are ever cleaning up metal and removing debris and get a sulphur odor, it may not be your buddy, but rather sulphur reducing bacteria.

Those in warmer climates will have the biggest problems with that. Those bacteria don't like the cold and once dead, they are dead.
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Old 04-08-2013, 06:25 AM   #9
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I have been cleaning the frame out using a magnet. I got it at Autozone. It is at the end of a long flexible extention and have been surprised by how much rust I've pulled out of my 99 TJ which I just bought in December '12.

I purchased the frame plugs and will install by the wheels but will keep flushing as needed. I want to try and run a vacuum hose in to try to see if this is faster. I've pulled probably a half gallon of rust out of each side so far. I think I am getting close to having removed it all.
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Old 04-08-2013, 11:28 AM   #10
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For those of you who live in California or other dry climates where they do not use road salt, take care of your frames. My '67 still has traces of waxy waterproofing showing inside of it, with only light surface rust. My '03 doesn't even show that. (Borrow a fiber optic inspection camera and check it out - I borrowed one from a plumber that uses it to check drains.)

The only rustproofing the frame gets is just after the outside was painted and baked at the factory. The whole frame was then dipped into a waxy rustproofing which is the only protection the inside of the frame ever gets. If you never drive in salt, never power wash under your Jeep, and don't dunk the frame in rivers, that protection can last 50 years as it has on my Jeepster. The stuff is sky blue in color and called "frame juice".

For those of you with no choice in the matter, conserve what you have as long as you can. Then hopefully by that time, Throttle Down Kustoms will be making TJ frames. So far, they have made frames for 1941-1975 MB's/CJ's/YJ's, and offer hot dip galvanizing as a $550 option.
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Old 01-24-2014, 09:13 AM   #11
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Mine was bad. What I did was took my rear bumper off then duct taped a small flexible hose to a garden hose and ran it from one end to the other. A ton of crap came out, I'm not sure there wasn't a mouse next in there, it was bad.
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Old 01-24-2014, 05:27 PM   #12
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I am considering making plates to go over the open sections once I clean mine out. My only issue is that i am not 100% sure there isn't a reason for those holes that I/we are not aware of.
I figure worst comes to worst I can always knock the plates off later.
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Old 01-24-2014, 09:39 PM   #13
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we used the air compessor ,a gas powered pressure washer and magnets and it took hours to get all the crud out. Used eastwood internal frame coating spraycans to protect.Sprayers have long tube nozzles to go inside.
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Old 04-28-2015, 06:53 PM   #14
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This is how you remove internal frame rust

check this out. very detailed as to how to remove rust from inside the box frame.

How to remove rust from inside the frame of jeep wrangler
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Old 04-28-2015, 07:37 PM   #15
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I am considering making plates to go over the open sections once I clean mine out. My only issue is that i am not 100% sure there isn't a reason for those holes that I/we are not aware of.
I figure worst comes to worst I can always knock the plates off later.
I am seriously considering closing all of the holes and FILLING the entire frame with OIL. Seriously, just close it up and leave it plum full of used oil.
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Old 04-28-2015, 07:42 PM   #16
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I am seriously considering closing all of the holes and FILLING the entire frame with OIL. Seriously, just close it up and leave it plum full of used oil.
fluid film it. Pick up an extension nozzle from Eastwood and go to town. Maybe spray it down with the internal frame coating from eastwoods while your picking up a nozzle.

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