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Thread: Lower control arm identification

  1. #1
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    Default Lower control arm identification


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    Hey guys/gals

    I have extended lower control arms in my AE and the balljoints and bushes are flogged out so I'm going to replace them

    The problem is im not sure if they are sigma or xt130 or ....

    I'm hoping someone on here can tell me by the length

    The length is 395 from outer edges. I can get photos if need be

    Cheers

    Walter

  • #2
    Senior Member Futo_gt86's Avatar
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    Have you got them out?
    Sigma's will have some form of modification to the bush to make them fit - usually ground down on one end and easily picked.
    Some Sigma's (the really long ones) have a bolt in ball joint, where as the early sigmas are press fit.
    XT130's are press fit with cir-clip.
    Last edited by Futo_gt86; 2nd November 2012 at 06:25 AM.

  • #3
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    I went with what you said and I assumed they were the xt130's as it has a cir-clip and there is no noticeable grinding marks
    It does look a little dodgy at the rear of the control arm but to me it just looks like its how they were casted

    I purchased a set of ball joints and bushes
    I went to press the ball joints in and the hole on the contol arm is about 1mm to small to press the new ones in and the bushes looked a tad to small also

    Ill take some photos and place them up tomorrow to see if I can get this sorted

  • #4
    Senior Member Futo_gt86's Avatar
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    Sorry mate, didn't mean to give you a bum steer.
    Sigma's also need a touch up on the crossmember end with a grinder, so sounds like could be sigma's.
    Photo's would be the go.

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    All good man I should have put pictures up

    Here's a few, hopefully they can help identify them
    Click image for larger version. 

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    Cheers
    Last edited by ke_70_blue; 9th November 2012 at 11:59 AM.

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    Senior Member Futo_gt86's Avatar
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    look like GE/GH sigma's to me.
    If your replacing the bushes there are 2 different types.
    Make sure you get the right ones.


    Last edited by Futo_gt86; 10th November 2012 at 09:53 AM.

  • #7
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    They did end up being GE Sigma's
    Thanks heaps for the help!!

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