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Ball Joint question

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  • 22-07-2015 8:53pm
    #1
    vicwatson
    Registered Users Posts: 28,403 ✭✭✭✭


    Is replacing a rear ball joint the same as replacing a rear suspension arm/rear wishbone??


Comments

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    #2
    Interslice
    Registered Users Posts: 3,506 ✭✭✭Interslice


    vicwatson wrote: »
    Is replacing a rear ball joint the same as replacing a rear suspension arm/rear wishbone??

    Yes and no :). The balljoint is part of the wishbone. On some cars you can replace the bj seperately, others you can't. Chances are if the bj is worn the wb bushes aren't in great shape either. The bushes can normally be pressed out and replaced.


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    #3
    vicwatson
    Registered Users Posts: 28,403 ✭✭✭✭vicwatson


    Sensible to get tracking done after replacement??


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    #4
    biko
    Registered Users Posts: 81,223 ✭✭✭✭biko


    Yes, this is usually always done when a suspension part is replaced as it will throw the tracking off.


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    #5
    Boxtroll
    Registered Users Posts: 25 ✭Boxtroll


    biko wrote: »
    Yes, this is usually always done when a suspension part is replaced as it will throw the tracking off.

    No it wont.


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    #6
    biko
    Registered Users Posts: 81,223 ✭✭✭✭biko


    Perhaps you can elaborate? But yes, it's not for every part of the suspension.


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    #7
    visual
    Closed Accounts Posts: 3,268 ✭✭✭visual


    What car is it


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    #8
    Boxtroll
    Registered Users Posts: 25 ✭Boxtroll


    biko wrote: »
    Perhaps you can elaborate?

    A ball joint is a constant.


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    #9
    CJhaughey
    Registered Users Posts: 14,906 ✭✭✭✭CJhaughey


    Boxtroll wrote: »
    A ball joint is a constant.
    Rubbish. As a balljoint wears in the socket, the angle changes due to load.
    Replace the joint and the new part can throw the tracking out, not only from the difference in wear but also manufacturing tolerances stacking up.
    9.1%20Ball%20Joint%20Wear.jpg


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    #10
    Stoolbend
    Registered Users Posts: 1,285 ✭✭✭Stoolbend


    Boxtroll wrote: »
    A ball joint is a constant.

    Not if it's bolted on. Which a lot of joints are.


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    #11
    vicwatson
    Registered Users Posts: 28,403 ✭✭✭✭vicwatson


    Guy in nct suggested I get alignment checked after the ball joint was replaced...


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    #12
    Boxtroll
    Registered Users Posts: 25 ✭Boxtroll


    CJhaughey wrote: »
    Rubbish. As a balljoint wears in the socket, the angle changes due to load.
    Replace the joint and the new part can throw the tracking out, not only from the difference in wear but also manufacturing tolerances stacking up.

    You call my post rubbish and you pull out that beauty of a post above. The ball joint picture you got from Google and probably your opinion from if replaced like for like would only result in camber issues. Think about it.


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    #13
    CJhaughey
    Registered Users Posts: 14,906 ✭✭✭✭CJhaughey


    Boxtroll wrote: »
    You call my post rubbish and you pull out that beauty of a post above. The ball joint picture you got from Google and probably your opinion from if replaced like for like would only result in camber issues. Think about it.
    I am thinking about it, camber will be out for sure but unless the new ball joint is exactly the same dimensions with regard to pin to mounting bolt distances the tracking will change.
    Like I said manufacturing tolerances stack.
    You think every single balljoint manufactured has the same distances from kingpin to bolt hole?


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    #14
    Boxtroll
    Registered Users Posts: 25 ✭Boxtroll


    Manufacturing tolerances would be splitting hairs now in fairness, a very weak argument.


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    #15
    316
    Closed Accounts Posts: 243 ✭✭316


    CJhaughey wrote: »
    Rubbish. As a balljoint wears in the socket, the angle changes due to load.
    Replace the joint and the new part can throw the tracking out, not only from the difference in wear but also manufacturing tolerances stacking up.

    Your understanding of a ball joint is terrible. Are you of the thinking that if you track a car with a worn ball joint that when new part is fitted that tracking is out? If so do not track a car with worn parts.


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    #16
    CJhaughey
    Registered Users Posts: 14,906 ✭✭✭✭CJhaughey


    316 wrote: »
    Your understanding of a ball joint is terrible. Are you of the thinking that if you track a car with a worn ball joint that when new part is fitted that tracking is out? If so do not track a car with worn parts.
    I track my car usually twice a year, along the way parts will wear.
    If you only ever tracked a car with new components it will soon break you.


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