[SOLVED] aio pump sounds like chainsaw! (super loud)

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gamingtoadd92

Nov 25, 2020
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i bought a 240 aio from coolermaster 1 and a half months ago and it was working fine until recently its been making a super loud grinding/ticking sound that kinda sounds like something is failing
(i tested with all case fans off for a quick boot and the noise was still there)
and the sound is coming from the waterblock itself i have tried to reinstall it and did steps to hopefully remove water bubbles but none have worked at all.
any help is great
 
Last edited:
Solution
Darkbreeze
geofelt said:
My understanding is that the ok mount for a radiator is to have where the tubes exit the radiator be below the pump so that any air in the system(and there will be at least some) is not near the exit.
Click to expand...
Actually, Steve specifically states that the two undesirable AIO mounting configurations are front mounted with the radiator oriented so that the hoses are at the top of the radiator, and ANY configuration where the radiator is mounted flat and below the level of the pump. This is because air then gravitates to the highest point, which is going to be the pump, which is exactly where you DON'T want any air to be because that is exactly what cavitation is.

If the radiator is mounted anywhere that is higher than the pump, or is...
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sorry posting a picture was really weird but video was simple enough anyway you can see most of the system and what type of noise it is
temps are fine right now but the noise is alarming
 
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Shouldn't be too hard to figure out if that is coming from the pump or not. Put your finger on the top of the pump and see if you can "feel" the noise you are hearing directly. If you can, then yeah, it's likely a failing pump, and honestly that's exactly what it sounds like anyhow. But, recorded sounds, especially inside a PC case, can be incredibly misleading for somebody trying to diagnose something only by listening to a recorded video.

It's impossible. You are the best judge of where the noise is coming from and putting your finger on the top of the pump, or using a screwdriver to lightly touch the frame of anything you suspect is making noise, is a good way to narrow it down.

Also, curling up something like a sheet of paper or a manila envelope, so that one end is wide and the other end is small enough to mostly fit in your ear (Not IN, IN your ear, but up very close to it) like a funnel, or even USING a larger funnel like you'd use to add oil or transmission fluid to your card, and then carefully pointing the larger end towards whatever it is you suspect of making the noise, can help to eliminate OTHER noises so you can narrow it down.

But if I had to guess based on that video, I'd say yeah, the bearing in one of the fans or the pump itself, is definitely failing. Not sure how you could really eliminate ALL of the fans, since your graphics card and PSU also have fans that could easily be guilty of failure just the same as your AIO fans, case fans or pump, so I'd do some additional testing to be sure you have it actually narrowed down that it's 100% coming from a specific spot before convicting anything.

Or, go into the BIOS (Or wherever you are controlling the pump speed from) and turn the pump down to a static speed of like 25% for a short period of time and see if THAT reduces or eliminates the noise, and that should tell you. You might also want to monitor the pump RPM to see if anything seems out of whack there as well.
 
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GPU fans dont sling until they reach a temperature of 57+c and I tested while unplugging my fan hub which all of my fans are connected too then I proceeded to unplug my aio fans still the same noise its coming from the block itself since it's incredibly loud and the noise does not get louder even idle it's as loud as when full o gaming
 
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Darkbreeze said:
Shouldn't be too hard to figure out if that is coming from the pump or not. Put your finger on the top of the pump and see if you can "feel" the noise you are hearing directly. If you can, then yeah, it's likely a failing pump, and honestly that's exactly what it sounds like anyhow. But, recorded sounds, especially inside a PC case, can be incredibly misleading for somebody trying to diagnose something only by listening to a recorded video.

It's impossible. You are the best judge of where the noise is coming from and putting your finger on the top of the pump, or using a screwdriver to lightly touch the frame of anything you suspect is making noise, is a good way to narrow it down.

Also, curling up something like a sheet of paper or a manila envelope, so that one end is wide and the other end is small enough to mostly fit in your ear (Not IN, IN your ear, but up very close to it) like a funnel, or even USING a larger funnel like you'd use to add oil or transmission fluid to your card, and then carefully pointing the larger end towards whatever it is you suspect of making the noise, can help to eliminate OTHER noises so you can narrow it down.

But if I had to guess based on that video, I'd say yeah, the bearing in one of the fans or the pump itself, is definitely failing. Not sure how you could really eliminate ALL of the fans, since your graphics card and PSU also have fans that could easily be guilty of failure just the same as your AIO fans, case fans or pump, so I'd do some additional testing to be sure you have it actually narrowed down that it's 100% coming from a specific spot before convicting anything.

Or, go into the BIOS (Or wherever you are controlling the pump speed from) and turn the pump down to a static speed of like 25% for a short period of time and see if THAT reduces or eliminates the noise, and that should tell you. You might also want to monitor the pump RPM to see if anything seems out of whack there as well.
Click to expand...
how can i monitor pump speed and how can i change aio speeds? in hwmonitor it only shows fan speed
 
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So you either have a boatload of air in the loop or something has broken off and it's toast. Not sure about Coolermaster, but after a couple AIO failures and getting stuck with one of the bad Evermax AIOs I have taken to dismantling them, inspection and cleaning, then refill completely with Cryofluid. In the case of the Evermax, it has a fill-port. In the case of a couple of old Corsairs where they had evaporated a lot of coolant I found it easiest to carefully drill a small drain/fill hole in the end chamber and fill it back up with a hypodermic. It's not that much fluid. Patience is required. Some folks just dismantle the pump head and drain it from there, but, when you're refilling you need to make sure the pump head is well below the radiator and your fill hole is at the very top so the air gathers there. I used a 12v wall-wart and ran it for 24 hours and injected a few more hypos of coolant till it just wouldn't take anymore. What have you got to loose? I think it's gonna self-destruct eventually. The factory fluid I have found is crap compared to a good product like Cryofuel. If it's just air in the loop you're good. If the impeller is bad it will still make noise after you do this.
 
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Based on what you've said, I don't really think there's a need to bother with doing that. If all the other fans were unplugged and the graphics card fans were off, then there's really nothing else it could be. If it was the PSU fan bearing, you'd pretty much know by putting your ear up to the back of the PSU while it's running on putting your finger on the side of the PSU case itself. If it's pretty clearly not coming from the area of the PSU then there's really nothing else it can be except for the pump.
 
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nxindy89 said:
So you either have a boatload of air in the loop or something has broken off and it's toast. Not sure about Coolermaster, but after a couple AIO failures and getting stuck with one of the bad Evermax AIOs I have taken to dismantling them, inspection and cleaning, then refill completely with Cryofluid. In the case of the Evermax, it has a fill-port. In the case of a couple of old Corsairs where they had evaporated a lot of coolant I found it easiest to carefully drill a small drain/fill hole in the end chamber and fill it back up with a hypodermic. It's not that much fluid. Patience is required. Some folks just dismantle the pump head and drain it from there, but, when you're refilling you need to make sure the pump head is well below the radiator and your fill hole is at the very top so the air gathers there. I used a 12v wall-wart and ran it for 24 hours and injected a few more hypos of coolant till it just wouldn't take anymore. What have you got to loose? I think it's gonna self-destruct eventually. The factory fluid I have found is crap compared to a good product like Cryofuel. If it's just air in the loop you're good. If the impeller is bad it will still make noise after you do this.
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i dont think its air because thermals are still great. but it sounds like it vibrates around near the tubing, if i cant get this replaced i might have to do what you said allthough it seems scary from somone who built their first pc a month ago.
 
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Darkbreeze said:
Based on what you've said, I don't really think there's a need to bother with doing that. If all the other fans were unplugged and the graphics card fans were off, then there's really nothing else it could be. If it was the PSU fan bearing, you'd pretty much know by putting your ear up to the back of the PSU while it's running on putting your finger on the side of the PSU case itself. If it's pretty clearly not coming from the area of the PSU then there's really nothing else it can be except for the pump.
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the waterblock vibrates around the tubing
 
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Yeah, if the tubing is noticeably vibrating, in a way that it never did before, that's a pretty sure indicator. I'm going to assume you've tried to make sure it's tightened down all the way and that the backplate isn't loose already, yes? If so, then yeah, either an RMA or a replacement unit is likely in your future.
 
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Darkbreeze said:
Yeah, if the tubing is noticeably vibrating, in a way that it never did before, that's a pretty sure indicator. I'm going to assume you've tried to make sure it's tightened down all the way and that the backplate isn't loose already, yes? If so, then yeah, either an RMA or a replacement unit is likely in your future.
Click to expand...
I have reapplied the cooler and used different configs such as mounting it in the front and changing from exhaust to Intake also I flipped the pc on its side for a few mins and when I booted the pc I heard the water flowing and the noise still there
 
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geofelt said:
The sound might be cavitation because of the orientation of the radiator.

Look at this video:
View: https://www.youtube.com/watch?v=BbGomv195sk
Click to expand...
I have reapplied the cooler and used different configs such as mounting it in the front and changing from exhaust to Intake also I flipped the pc on its side for a few mins and when I booted the pc I heard the water flowing and the noise still there I'm still not sure what to do with it
 
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geofelt said:
The sound might be cavitation because of the orientation of the radiator.

Look at this video:
View: https://www.youtube.com/watch?v=BbGomv195sk
Click to expand...
That was my first thought, but then when I saw the way he has the cooler installed, which is one of two possible correct configurations, I knew it was installed correctly and while it COULD be cavitation, it wouldn't be from it being incorrectly installed like Steve talks about in that video.

How old is this AIO?
 
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My understanding is that the ok mount for a radiator is to have where the tubes exit the radiator be below the pump so that any air in the system(and there will be at least some) is not near the exit.
Turning the ps on the side was a good idea.
What happens if the pc is turned completely upside down so that the orientation is correct.
@op:
Cavitation noise is a minor issue.
What is bothersome is the reduction in performance, even though temperatures look OK.
In windows power management is the max cpu % set to 100%?
Are you using any kind of overclocking app or bios option?
 
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