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Loud Clanking in Bank in Hard Brake

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Old 11-30-18, 04:33 AM
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2oa
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Default Loud Clanking in Bank in Hard Brake

I have a very loud clanking in the back of the car when making a hard break and the car comes to a complete stop.

When the car jerks back a little bit, it sounds like a truck stopping, or like something is wrong with the axle.Anybody have an issue like this?

Of course service department completely useless Dash - they fixed the problem with an unrelated service bulletin (which of course didn’t help)
Old 11-30-18, 05:26 AM
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bigblack06
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Can you produce a video with the sound. I haven't heard anything on mine like that, also do you have a F-Sport or Lux version/Base.
Old 12-06-18, 11:11 AM
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Originally Posted by bigblack06
Can you produce a video with the sound. I haven't heard anything on mine like that, also do you have a F-Sport or Lux version/Base.
Tried to get a sound clip, but hard to capture on the phone. It is the regular base version
Old 12-06-18, 01:00 PM
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Are speaking of the sound coming from the downshifted transmission.
Old 12-06-18, 01:08 PM
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Originally Posted by bigblack06
Are speaking of the sound coming from the downshifted transmission.
nope. The sound comes when the car comes to a complete stop AND jerks back. The harder the jerk back the louder the noise. I think something is wrong with the Axle
Old 12-06-18, 01:15 PM
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Yeah I haven't heard anything like that or heard that sound in mine. Best bet is to try to get the sound recorded and bring it to dealer. I know that's hard but that might be the only way to replicate it. Unless you can pin point exactly when it occurs, so they can try to duplicate it. Guessing you went through this already though.
Old 12-06-18, 02:38 PM
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Originally Posted by bigblack06
Yeah I haven't heard anything like that or heard that sound in mine. Best bet is to try to get the sound recorded and bring it to dealer. I know that's hard but that might be the only way to replicate it. Unless you can pin point exactly when it occurs, so they can try to duplicate it. Guessing you went through this already though.
the only positive thing is that it occurs every time - so none of this “doesn’t happen when it is at the dealer” Unclear why the Lexus dealer in the largest city in the world couldn’t figure out what I was talking about, even though I gave him clear instructions on how to duplicate the sound, but I will demonstrate it next time I go to the dealer (a different dealer)
Old 05-05-19, 01:52 PM
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I am having same problem on 2018 base LS500
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