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Front end knocking


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Hi there,

I'm getting some knocking noise from the front end whenever I go over some uneven bumps at low speed. The vibration can also be felt through the steering wheel. Moreover, unlike some of the other posts that I have read, mine does still vibrate and knock during braking. But strangely, whenever I am turning left or right at low speed, the noise and vibration coming into the cabin simply disappear completely and cannot be felt.

I have done my searching here and there and it is leading me to the front anti-roll bar drop links or the control arms. But, since the last symptom of my car is slightly different to most posts I have read. Would any kind soul please point me in the right direction in how to tackle this problem.

The Geo is completely fine and all 4 tires are wearing very evenly with the inner sides wearing a tiny bit more.

Many thanks

Edited by niceguy
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  • 2 weeks later...

Thanks for all the advice!! I am quite certain the drop links are the culprit of the noise and possibly the lower wishbones making the v light creaking noise.

Has anyone tried the K sport drop links? Oh yes, and they are adjustable too. Will they last better than the stock's thin and skinny drop links? I am on fully stock suspension.

Link to these end links

http://www.ksportusa.com/asp/endlink...roduct_id=el01

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Thanks EleCTriCT for your information.My local indy told me that the stock Porsche drop links have a flaw and therefore, the clonking noise will come back after a year or so even when new units are replaced. That's why I asked if the TGW units are better. As soon as I am driving with the steering wheel turning, all the clonking noises are gone. Does that mean it has to be the drop links that are making the noise on my tt?

Cheers

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  • 1 month later...
  • 2 weeks later...

Hi tphss,

My car has done 37500 miles. The noise from the drop links started from early 30000 miles.

Now, I have a choice to replace them with the TRW drop links but my local indy said the noise will come back quite soon due to a design fault. Yet, the drop link are still 100% functioning perfectly with only some undesirable noises.

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  • 2 months later...

Having replaced both front sway bar drop links with the TRW units, the knocking and vibration felt through the steering wheel is now completely gone. I am happy to report that with around 30-40k miles these units can fail and I did find some vertical play in the bushings.

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