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LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Knocking sound when braking

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Old Sep 1, 2019 | 09:02 AM
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From: Seeb
Default Knocking sound when braking

I have Knocking sound while braking on Ls460 year 2016
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Old Sep 1, 2019 | 10:47 AM
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From: Sharjah
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Its hard to tell can be many things loose pads bearing part or the control arm .
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Old Sep 1, 2019 | 11:04 AM
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Originally Posted by sedx911
I have Knocking sound while braking on Ls460 year 2016
Can malfunction of cylinder cause this king of problem
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Old Sep 1, 2019 | 11:16 AM
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Can be the cylinder but are your breaks feeling soft or is there any leak around it best thing is to jack up your car and inspect sometimes bad shocks can make sounds but not knocking sound i hope its a loose pad
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Old Sep 1, 2019 | 01:31 PM
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Originally Posted by Thegamemhb
Can be the cylinder but are your breaks feeling soft or is there any leak around it best thing is to jack up your car and inspect sometimes bad shocks can make sounds but not knocking sound i hope its a loose pad
Initially it feels soft after the sound it’s normal
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Old Sep 1, 2019 | 01:34 PM
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From: Sharjah
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Originally Posted by sedx911
Initially it feels soft after the sound it’s normal

By intially you mean when you apply break while drivings its mushy or slow in response ? Try looking fot leaks in break fluid or around the cylinder
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Old Sep 2, 2019 | 05:43 AM
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No leak around cylinder
only when I apply initial force at the paddle I can hear knocking sound, when paddle 1/4 pressed no sound and everything is fine.

The sound from from front side
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Old Sep 2, 2019 | 06:06 AM
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Sound to me loose pads then if you have ruled out that its not the shocks
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Old Sep 2, 2019 | 06:06 AM
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From: Sharjah
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Any recent incident that lead to the knocking sound ? Can you give details how did it started
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