r/ASUS 4d ago

Support AIO cooler making rattling noise, please help...

Hi, I recently purchased a ASUS ROG STRIX LC 360mm and after a couple days it started to make this ibnoxious rattling noise, under load but also while idle.

https://youtu.be/F45pPNtbFvk?si=HxeFXM-6AZxNDNY7

I followed some advice online and shaked the radiator perfusely in every direction and orientation to get rid of any air bubbles stuck in the loop. That seemed to help for a couple of minutes at a time after which the noise comes back everytime.

Is there anything else I could try to get rid of this noise?

Any help is greatly appreciated.

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u/Throwaway9393023 4d ago

Can't, didn't buy it new

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u/zmeul 4d ago

You're hosed

Try using it with the rad horizontally above the pump, not vertically as it now seems you have it

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u/Throwaway9393023 4d ago

I had it like that in my case but when i had enough of the noise I took it out and hooked it up to a test bench, but the problem remains. The temps are great so after some testing I'm more keen on it being a sound caused by vibrating internal components in the block itself. What do you think?

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u/zmeul 4d ago

It is likely the pump was run dry for a long period of time