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Thread: Worn anti-roll link rods? Knocking sound from front nearside wheel

  
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    Worn anti-roll link rods? Knocking sound from front nearside wheel

    Hello guys,
    I have a Astra G (2004 on a 53 plate). When travelling on a mildly bumper road I can hear a knocking sound coming from the nearside front wheel area - it doesn't do it on flat roads. BUT I can make the knocking sound on a flat, smooth road if I turn the steering wheel left and right causing the car to lurch one way then the other (at low speed obviously. I wouldn't want to do that at high speed)
    The car doesn't pull to one side under heavy braking or acceleration.
    I can't feel vibration through the steering wheel when braking at high speed - in fact I can't 'feel' this knocking through the wheel at all.
    There is no knocking sound when turning in either direction with full steering lock on.
    There is no heavy uneven tyre wear on either front wheel.

    I'm no expert and with my own limited knowledge have come to the conclusion that it could possibly be the anti roll bar link rod. Neither rod appears broken, so it would have to be wear and tear.
    What do you think? Is there any easy method to test my theory? Is this an easy DIY job? Or is it worth just taking the car to a garage so I don't replace the rods and find the noise is still there?

    Any help would be appreciated.

    Many thanks,

    bob.

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    stevej66's Avatar
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    they may look intact, but when i did mine a few months back, as i unbolted the top nut the whole droplink just fell apart at the joints, which is common and then they seize up. knocking from the front is often down to either worn anti roll bar bushes or more likely the drop links

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    Mine is going into the garage for exactly the same problem tomorrow.

    It happened before, they couldn't find anything wrong, had a play around tightening/adjusting all sorts and it was fine ... but then it started again. Last time they said droplinks could be worn and need replacing, when I booked it in they said again, droplinks.

    Will let you know how I get on tomorrow as my problem seems to be the same as yours.

    BTW mine is a 2005 55 plate Astra MK5
    Astra sold ... replaced with a Skoda ... soon to be replaced with another Vauxhall

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    Thanks, that would be good information.

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    mgodden1989,

    How did the repair go? Did it fix your problem?

    Thanks

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    Nout wrong with it apparently, everything is fine.

    Car was dropped off last night, no cost at all, and no knocking noise.

    Can only assume they have spent an hour or so under the car with their tools adjusting things, as its not doing it now.
    Astra sold ... replaced with a Skoda ... soon to be replaced with another Vauxhall

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    UPDATE:


    I replaced the front links today. They cost about £14 each from my local autofactors, took about 1 hour to complete the job and NO MORE KNOCKING!

    Thanks for your help.


    Bob.

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    SXI DTI's Avatar
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    hi guys sorry to reniew this thread but it seems i have similar symptoms, when driving on a road that is a bit bumpy or has pot holes thier is a clunking noise from the front, its as if it is coming from both wheels, i thought maybe its the bushes as my previous corsa had the bushes replaced but it does not clunk when pulling away or dropping gear as the corsa did so coult it be the ARB link? i know nothing about this area so any pics would be helpful to, thanks guys

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    Yes, this sounds as though it could be the links.
    It's an easy job and doesn't take long so definitely worth a shot IMO.

    Sorry, I don't have any photos for you right now.

    Note: Once the car is jacked up, the suspension will drop and I had difficulty removing the link without using a second jack to lift the suspension back up slightly. I'm not sure this is strictly necessary as I haven't seen it mentioned elsewhere but it helped me anyway.

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    quick 'how to' needed here me thinks i have the knocking too, lol

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