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Thread: Seized control arm advice needed

  1. #1
    Nothing but a Thing nmwranglerx's Avatar
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    Seized control arm advice needed

    Iím seeking advice as to how to unseize my rear lower control arms. Theyíre EVO adjustable control arms from their double duty long arm lift. The adjusters are completely seized and have been for some time. Iíve soaked them with PB blaster and tried a very large pipe wrench but canít get them to turn. I also tried using a torch on them but itís just a cheap-o one from Home Depot. I have the old style collars that use spammer wrench to turn so a standard crescent wonít work. I would like to switch these collars out with the new hex style ones. EVO sells replacement arms but they are $400 each. Any thoughts? Should I invest in a bigger torch? Put them in the oven? Lol. The Johnny joints are twisted and seized in opposite directions either end.


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  2. #2
    Old Timer TrailHunter's Avatar
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    More leverage? A 5í pipe over the wrench handle can make a huge difference.

  3. #3
    Old Timer BaddestCross's Avatar
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    Quote Originally Posted by TrailHunter View Post
    More leverage? A 5í pipe over the wrench handle can make a huge difference.
    If that doesn't work use a 12' pipe. 😎

    I bought my arms used and I couldn't break the rust (I'm not gonna give you assholes the satisfaction of saying bust the nut 😂&#129315 either due to a bad shoulder I had at the time. I had a shop install them while they did my gears and they ended up having to use a super long extension and heat to finally break them loose.

    When you finally get them loose, antiseize is your friend. 🤪

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  4. #4
    Nothing but a Thing jdofmemi's Avatar
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    I will add that while using heat and pressure from a long handle wrench, have someone hit the arm with a BFH. The shock will help break the rust and get things moving.

  5. #5
    Old Timer BaddestCross's Avatar
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    Quote Originally Posted by jdofmemi View Post
    I will add that while using heat and pressure from a long handle wrench, have someone hit the arm with a BFH. The shock will help break the rust and get things moving.
    ☝️ This for sure.

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  6. #6
    The Original Smartass piginajeep's Avatar
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    Getting a grip on those will suck. A big ass pipe wrench should do the trick. Itíll destroy the collar but it wonít matter if your replacing them.

  7. #7
    Caught the Bug Braxtonsag's Avatar
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    iv had this happen on coilover perches before, ended up having to dremel through the spanner nut and separate it with a flat head screwdriver

  8. #8
    Nothing but a Thing Speedy_RCW's Avatar
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    Quote Originally Posted by nmwranglerx View Post
    Iím seeking advice as to how to unseize my rear lower control arms. Theyíre EVO adjustable control arms from their double duty long arm lift. The adjusters are completely seized and have been for some time. Iíve soaked them with PB blaster and tried a very large pipe wrench but canít get them to turn. I also tried using a torch on them but itís just a cheap-o one from Home Depot. I have the old style collars that use spammer wrench to turn so a standard crescent wonít work. I would like to switch these collars out with the new hex style ones. EVO sells replacement arms but they are $400 each. Any thoughts? Should I invest in a bigger torch? Put them in the oven? Lol. The Johnny joints are twisted and seized in opposite directions either end.


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    Try some wax. Iíve used it successfully many times at work when penetrating oils wouldnít do the trick. Heat up the part, in your case the adjuster, and melt wax down into the threads. Keep in mind the wax will flow toward the heat source so position the torch accordingly. You donít want it to get so hot it burns the wax out. Just enough to melt it and suck it back into the threads. Iíd try this method before you put a ton of leverage and end up breaking something.


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  9. #9
    Old Timer TrailHunter's Avatar
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    Quote Originally Posted by Speedy_RCW View Post
    Try some wax. Iíve used it successfully many times at work when penetrating oils wouldnít do the trick. Heat up the part, in your case the adjuster, and melt wax down into the threads. Keep in mind the wax will flow toward the heat source so position the torch accordingly. You donít want it to get so hot it burns the wax out. Just enough to melt it and suck it back into the threads. Iíd try this method before you put a ton of leverage and end up breaking something.


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    that's f'n interesting.... never heard of doing that before.

  10. #10
    Old Timer BaddestCross's Avatar
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    Quote Originally Posted by Speedy_RCW View Post
    Try some wax. Iíve used it successfully many times at work when penetrating oils wouldnít do the trick. Heat up the part, in your case the adjuster, and melt wax down into the threads. Keep in mind the wax will flow toward the heat source so position the torch accordingly. You donít want it to get so hot it burns the wax out. Just enough to melt it and suck it back into the threads. Iíd try this method before you put a ton of leverage and end up breaking something.


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    Learn something every day. 👍

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