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Thread: Drain holes in the frame

  1. #1
    Hooked Jeep_Dawg08's Avatar
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    Drain holes in the frame

    I'm trying to research something some guys around my neck of the woods are doing.
    Drilling 3/4" holes in the bottom of the frame behind front control arm braket and in front of rear as well..
    Being out here in the midwest, theres alot of mud/clay that gets in there and almost impossibke to remove. Which means rusting out of the frame over time.
    I wonder if adding extra holes would mess with the integrity of the metal. Make it not as strong and subject to breaks.
    What does everyone have to say about this?

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  2. #2
    Resident Smartass OverlanderJK's Avatar
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    In all my years living back east I have never seen a frame rust from the inside out. I doubt it would mess with the structure but not sure I would even bother with it.
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  3. #3
    Guy with a Red 2-Door cozdude's Avatar
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    I agree with overlander. I wouldn't worry about it. If you are worried about it you can do what I do and just stick the hose in the few open holes and spray the mud out.
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  4. #4
    Knows a Thing or Two OJK12's Avatar
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    Actually overlander here in PA that's exactly what happens to jeeps. It's crazy but the crap they put on the roads in the winter gets built up in the frame rails and they literally do rot from the inside out. It's happened to me personally and a lot of people I know. They look good on the outside but they are gone. Although having said this drilling holes in the frame is the last thing I would do, instead you need to keep the frame rails hosed out really well and spray oil inside the frame and raft should keep them nice and rust free. Even XJ's are rusting from the inside out, so far the JK's do not seam as bad as the TJ's and XJ's were.

  5. #5
    Nothing but a Thing KingCopperhead's Avatar
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    My 97 TJ. Engine runs great, transmission is decent, new brakes, brake lines, u joints and wheel bearings, new lift new tires. Frame is rotted to complete hell. i didn't take good care of the frame here in NY. Same salt as PA uses I think.

    Very very hard and sad lesson learned. I've had that TJ for almost 17 years. It currently sits in my driveway awaiting a donor frame.
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  6. #6
    Old Timer Armydog's Avatar
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    What about filling the voids in the frame with a water blocking expandable foam like great stuff?

  7. #7
    Knows a Thing or Two OJK12's Avatar
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    Quote Originally Posted by Armydog View Post
    What about filling the voids in the frame with a water blocking expandable foam like great stuff?
    Well if you seal it off completely that's not good either. If we lived out west with no humidity that would work but the frame will still sweat inside and it would never dry out. It will take longer than leaving it open but so far the best medicine is keep it clean and keep it lubed.

  8. #8
    Fresh Catch
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    I had the same issue with this tj. It rotted from the inside out, I ended up patching it and selling it as a donor jeep to someone with a good frame..
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  9. #9
    Resident Smartass OverlanderJK's Avatar
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    Quote Originally Posted by OJK12 View Post
    Actually overlander here in PA that's exactly what happens to jeeps. It's crazy but the crap they put on the roads in the winter gets built up in the frame rails and they literally do rot from the inside out. It's happened to me personally and a lot of people I know. They look good on the outside but they are gone. Although having said this drilling holes in the frame is the last thing I would do, instead you need to keep the frame rails hosed out really well and spray oil inside the frame and raft should keep them nice and rust free. Even XJ's are rusting from the inside out, so far the JK's do not seam as bad as the TJ's and XJ's were.
    I lived in upstate NY for 20 years, I know a thing or two about winters. I will stand by what I said that I've never seen a frame rust from the inside out.
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  10. #10
    Nothing but a Thing KingCopperhead's Avatar
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    Quote Originally Posted by OverlanderJK View Post
    I lived in upstate NY for 20 years, I know a thing or two about winters. I will stand by what I said that I've never seen a frame rust from the inside out.
    You didn't know my irresponsible 20 year old self haha. Honestly, if you wash your jeep weekly, and stay on top of the salt and rust you won't have problems. I was an ass and didn't take care of my TJ. As it sits now I can poke holes in the frame with a tap of a hammer on a flat head screwdriver. Whether it rusted from the inside out or outside in it rotted.

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    Wash your jeep of you live in a salt state.
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