Steering arm issues
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  1. #1
    Official RnS Addict v8ian's Avatar
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    Steering arm issues

    I am having trouble getting my steering track rods to clear several essential Items, like the rack itself........ the rack concerned is a polo centre pivot rack, but in getting the car LOW, its now starting to cause issues as the arms now run parralell to the rack, and when the suspension goes into compression, there is a interference issue, that much, that I have managed to bend the track rod arms, this is obviously undesirable, one option would be to put a z bend in the track arms, but in my mind this will weaken the arms in compression and they may bend or fail, any other suggestions?

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    Off the Xmas card list kapri's Avatar
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    The steering arms fitted on that rack normally have what equates to a Z bend as they use a large bush in an offset round tube.

    I would fit the arms with the needed Z bend (obiviously) ensuring the material used is more than adequate for the job . It's not like you have torque being transmited through them which can cause offset axle locating bars to fail.

    Othwerwise possibly a stepped plate that would bolt to the rack and move the arms for clearance ( if there is room ).

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    Quote Originally Posted by v8ian View Post
    I am having trouble getting my steering track rods to clear several essential Items, like the rack itself........ the rack concerned is a polo centre pivot rack, but in getting the car LOW, its now starting to cause issues as the arms now run parralell to the rack, and when the suspension goes into compression, there is a interference issue, that much, that I have managed to bend the track rod arms, this is obviously undesirable, one option would be to put a z bend in the track arms, but in my mind this will weaken the arms in compression and they may bend or fail, any other suggestions?
    Ball joints can be broken down into the load-bearing and non-load bearing categories. A load-bearing ball joint is designed to support the weight of the vehicle while providing a hinge point for the steering system. Most load-bearing ball joints are designed to cancel the effects of normal wear by centering themselves in their own sockets.

    Non-load-bearing ball joints or follower style, on the other hand, are designed to maintain precise dimensional tolerances in a steering or suspension system. Wear in a non-load-bearing ball joint will cause a noticeable change in the camber, caster or toe angle of a front suspension. Consequently, non-load-bearing joints are preloaded in order to compensate for wear. Unloaded control arm ball joints, for example, should be tested for preload when the suspension system is *disassembled.

    To check a loaded ball joint, place a jack or jack stand under the lower control arm to support the weight of the vehicle. Attach a dial indicator to the lower control arm and locate the dial in a vertical position to measure axial runout at the steering knuckle. In the case of an all-wheel-drive front ride strut or independent RWD, it may be necessary to mount the dial at the CV joint. Moving the steering knuckle can check lateral runout.

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  6. #4
    Off the Xmas card list kapri's Avatar
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    Your Googling is starting to be annoying Sherylee. That is not what was asked.

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    could there be an issue locking track rod to track rod end keeping the z where it needs to be as the rack end ball joint will let track rod spin, would tracking only be possible by rotating track rod 360 degrees to keep z in the right place, if that makes sense or am I misunderstanding something?
    could the google meister be some kind of bot

  9. #6
    Off the Xmas card list kapri's Avatar
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    The original fitting to the rack doesn't allow spin from memory , I'll look for a photo in a mo.

    I did wonder about a bot but original posts , though strange seem pertinent ?

    I posted because I would expect a real person to respond ?

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    Off the Xmas card list kapri's Avatar
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    astra arms.jpgastra arms.jpg

    As you can see adjustment is done at end of steering arm so whole arm wouldn't have to rotate.

  11. #8
    Official RnS Addict Magman's Avatar
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    Quote Originally Posted by kapri View Post
    The original fitting to the rack doesn't allow spin from memory , I'll look for a photo in a mo.

    I did wonder about a bot but original posts , though strange seem pertinent ?

    I posted because I would expect a real person to respond ?
    I’ve done a similar thing with Eightballgrifter’s flywheel thread which has been commented on as if direct from google and completely irrelevant.
    Most odd!

  12. #9
    Official RnS Addict v8ian's Avatar
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    Yo are absolutely correct in your assumption that the Z would normally not stay in a set position, the rack I am using has at the inner pivot is a rubber bushing, rather than the usual joint and is in a fixed plane, on the other end is a traditional TRE that is adjustable, so for adjustment you have to dismantle the taper to adjust it will be pain, but thats hot rodding, I could of course make the track rod 3 piece, with a left/right turnbuckle in the middle which would make life easier in the long run, but then I will be doing a lot of machining to save a small amount of inconvenience

  13. #10
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    AHAA I see now, was assuming like an escort rack or similar which would rotate.

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