IS - 3rd Gen (2014-present) Discussion about the 2014+ model IS models

Pop / clunk noise when making a left turn

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Old Sep 14, 2023 | 05:13 PM
  #16  
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I had a clunking noise when making u turns, I tighten two bolts under the knuckle on each side with a beaker bar and solved the issue.
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Old Sep 15, 2023 | 11:41 AM
  #17  
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Originally Posted by antis
I had a clunking noise when making u turns, I tighten two bolts under the knuckle on each side with a beaker bar and solved the issue.
They rechecked all this and mine still clunks.
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Old Sep 15, 2023 | 11:43 AM
  #18  
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Wanna ask about replacing sway bar bushing:

1) Can i drive the car up a ramp and change it or does it need to be on jack stands and with wheels hanging so as not to apply pressure on the sway bar?
2) Is it very difficult to change the front and rear sway bar bushings? I recently changed the stabilizer links and it was a simple enough job without any need for special tools.
3) Anything i need to know to make the replacement easier or anything I should change since I'm on it.

Thanks a bunch.
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Old Jun 10, 2024 | 06:59 AM
  #19  
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Default Left hand clunk

Bumping to see if anyone has any insight on this.

My 23 thumped and grinded when making a left while accelerating into traffic once a few months after buying it… now everytime I get on it while making a left, I feel a thud in the driver footwell, no grinding, just a thump.

Took it for the 10k today and they said that the left turn thump is normal for the IS and that there is nothing to repair or replace.
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Old Jun 10, 2024 | 07:31 AM
  #20  
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Originally Posted by Noe757
Bumping to see if anyone has any insight on this.

My 23 thumped and grinded when making a left while accelerating into traffic once a few months after buying it… now everytime I get on it while making a left, I feel a thud in the driver footwell, no grinding, just a thump.

Took it for the 10k today and they said that the left turn thump is normal for the IS and that there is nothing to repair or replace.
Is yours AWD?
FWIW I've only ever had clunks like this while parking, and they've only happened a handful of times in almost 1.5 years of ownership...
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Old Aug 30, 2024 | 09:46 PM
  #21  
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my 23 is350 has similar issue, it make clunking noise all the time when I am driving slow, dealer can't find anything, I am very frustrated .
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Old Aug 31, 2024 | 09:51 PM
  #22  
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I had this on a different car when cranking the wheel to the right and going in reverse. It turned out to be a misaligned front underbody panel. Dealer fixed it by uninstalling and reinstalled it and it was gone.
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Old Sep 2, 2024 | 05:24 PM
  #23  
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Had this issue on a 21 Acura RDX and a 22 Audi A3.
Seems to be an issue on newer cars... what the heck is it?
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Old Oct 7, 2024 | 05:59 AM
  #24  
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Deleted.

Last edited by DS03; Dec 18, 2024 at 02:05 PM.
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Old May 3, 2025 | 09:35 AM
  #25  
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I have this on my '20 350 RWD with only 30,000 miles. Did a bolt check and everything is tight. Seems early for a bad ball joint or tie rod end but who knows. I do have the Dorman LCA bushings because of the higher durometer than stock.
I only hear it on cold when turning to the left just a degree when starting the car. After that I do not hear it.
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