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Thread: Stuck rear torsion bars

  1. #1

    Stuck rear torsion bars

    OK guys...what is the wisdom on removing the rear torsion bars which seem reluctant to move. I have managed to get the control arms off (with some difficulty!).

    Any advice gratefully received

    Matthew

  2. #2
    Senior Member Scott A's Avatar
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    May 2014
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    if you got both springplates off. That is lucky.
    The bars can be pushed thru the body. There is no wall in the middle.
    One bar can push out the other. And another metal rod can push out the last one.

    But before you do that. You can wiggle and pull. It might take a while.
    There are you tube videos.

    Sadly. One time, with one car, it took a day to get one side out. And 20 mins for the other.
    Last edited by Scott A; 06-06-2020 at 08:39 AM.
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  3. #3
    Senior Member
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    I recall struggling with very stuck pair on car when helping a friend at his specialist workshop as stated they will come out but can be a pain. Iirc he fabricated something to work with a snapon hydraulic or maybe air powered spreader he happened to have attempting to give extra pull to accompany the wiggle but I'm hazy about what eventually shifted the damn first one. Not hazy that it was was real pain took a while. Involving many swear words ... Requiring lots of cups of tea...he started his independent Porsche business in 74 so very experienced and had seen most things on these old cars but even he struggled on this particular one

    Good luck

  4. #4
    '72 911T 3,0 liter MFI Albert Blue street/DE toy Jeff Higgins's Avatar
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    Quote Originally Posted by Scott A View Post
    if you got both springplates off. That is lucky.
    The bars can be pushed thru the body. There is no wall in the middle.
    One bar can push out the other. And another metal rod can push out the last one.

    But before you do that. You can wiggle and pull. It might take a while.
    There are you tube videos.

    Sadly. One time, with one car, it took a day to get one side out. And 20 mins for the other.
    Hmm... I've lost rack of how many rear torsion bars I've swapped out in everything from early 911's and 912's to SC's and Carreras - it always feels like there is a hard stop on which they bottom when installed. There is indeed a hole that goes all the way through from side to side, but is it really full diameter? I have used a broomstick to get the second one out after the first side is removed, but I have never been able to push a torsion bar all the way through.
    "God invented whisky so the Irish wouldn't rule the world."

  5. #5
    Senior Member
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    Jeff, I believe Scott is saying the same thing you are. No, you cannot push a torsion bar all the way through because they are angled. But by pushing one in, it hits the end of the other and gets it started on the way out. Then you can grab the end and pull it the rest of the way out.
    It took me 2 days to get both torsion bars out. Penetrating oil, heat, beat, repeat. Getting the spring plates off was difficult due to small space and rusted splines not wanting to separate. Once one side was out, the broom stick method to get the other side free.
    E Sully
    1973.5 911T

  6. #6

    Cheers

    Thanks one and all....knowing this allowed me to use the right force and it worked...one pushed the other out and a few blows got the other.....accompanied by a shower or rust!!!

    Matthew




    Quote Originally Posted by ESully View Post
    Jeff, I believe Scott is saying the same thing you are. No, you cannot push a torsion bar all the way through because they are angled. But by pushing one in, it hits the end of the other and gets it started on the way out. Then you can grab the end and pull it the rest of the way out.
    It took me 2 days to get both torsion bars out. Penetrating oil, heat, beat, repeat. Getting the spring plates off was difficult due to small space and rusted splines not wanting to separate. Once one side was out, the broom stick method to get the other side free.

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