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      10-10-2021, 12:03 PM   #1
shingyungchu
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Help! abnormal sound when accelerating

Hi guys,
I've been getting some noises when accelerating . It's an indescribable noise
In the following video 00:08-00:09, the noise appear when the speed i reached was around 20km/h, 1700-1900 rpm and then the noise disappears
sound came from the engine compartment,can anyone tell me what is going on?
Please help!
https://youtu.be/IisNKymMvUE

<iframe width="560" height="315" src="https://www.youtube.com/embed/IisNKymMvUE" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>

Last edited by shingyungchu; 10-10-2021 at 12:15 PM..
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      10-10-2021, 12:40 PM   #2
mainbearing
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I heard a light clunk, like maybe around the speed for 2-3 shift. I do not know what.

When you reduce speed down through 20, do you hear the noise?

And if you reduce speed down to 10 or 5, and then speed back up, will you hear the noise?
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      10-17-2021, 09:46 AM   #3
shingyungchu
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Quote:
Originally Posted by mainbearing View Post
I heard a light clunk, like maybe around the speed for 2-3 shift. I do not know what.

When you reduce speed down through 20, do you hear the noise?

And if you reduce speed down to 10 or 5, and then speed back up, will you hear the noise?
There was only one sound after start engine , no more noise ..TAT
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      01-08-2022, 06:42 AM   #4
shingyungchu
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This sound comes from the ABS pump dynamic self-test... Solve the problem
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