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Loud Pumps?

post #1 of 18
Thread Starter 
I cant figure out by, but my pumps seem fairly loud. I have 2x swiftech d5 pumps with an XSPC dual pump reservoir. Its not a water noise, its definitely a noise coming from a mechanism in the motor. I THINK it is just one of them making the noise...
post #2 of 18
I am a novice but maybe you could try unplugging one and running the other and vice-versa to get get more info to see if it is one or the other or both?
post #3 of 18
hey mate, it may not be the pumps but vibrations coming through to the case. I use to have a xspc single d5 dual bay reservoir and although it was a good res and convenient, it was noisy due to vibrations. I now have the same pump in a ekwb x res 140 res pump top combo and I can hardly hear it. Try isolating the vibration by using dampers and sponges, anything really just get creative, especially where the res bolts to the case.
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DETHCOMPIII
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DethHTPC
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DETHSERVER
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CPUMotherboardGraphicsRAM
Intel i7 4790k Asus z97 Impact EVGA 980 ti SC+ ACX+ 16gb Kingsont HyperX 1866mhz 
Hard DriveHard DriveCoolingOS
250gb samsung EVO 840 SSD 500gb samsung EVO 840 SSD Corsair H60 Windows 10 Pro 64bit 
MonitorKeyboardPowerCase
QNIX 27" Razer Blackwidow Silverstone 600W SFX Silverstone FTZ01 
MouseMouse PadAudioAudio
Logitech G502 Razer Goliath Audioengine A5 ASUS Essence One 
AudioAudio
audio technica ATH-AD900x 200W dual 8" subwoofer 
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post #4 of 18
Are you using flexible tubing? If you are dismount the reservoir from a hard mount and just hold it so it's not physically touching anything, and turn it on. If it's still making that noise then it's an issue with the pump itself, if it stops it's just a resonance issue causing some part of your chassis or mount to vibrate. Getting rid of resonance issues is usually really easy, just pop a piece of foam or rubberized silicon under the pump, or between the mounting brackets. That will prevent the vibrations from being transferred to the chassis and as such from being made into noise.
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post #5 of 18
The XSPC dual bay res is known for making noise. It's caused by pump vibration and the hard res to case mounting. I used a dual D5 XSPC res and it was very noisy at full pump speed, tolerable at 60% speed. I just swapped it out for a Koolance RP452X2 R2. Major improvement in noise levels. At 100% power the 452X2 is quieter than the XSPC at 60% power.
post #6 of 18
Thread Starter 
I did try and isolate the noise, and I believe the first pump in the series is making the noise (or most noise) If it is vibrations, wouldn't the noise be fairly uniform? this is why I feel like it is an issue with the pump itself. I would disassemble it to try and isolate the noise further, but I have some pretty heavy mods that prevent me from removing it without 4+ hours of work... (disassemble/ reassemble) I would do it if i was confident in what the problem is, but right now im looking for easy ways to try and identify what it might be...
post #7 of 18
My D5 pumps are very loud when not properly decoupled for sound.
But when decoupled, they are completely quiet at any speed.
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post #8 of 18
Thread Starter 
What exactly do you mean by decoupled? Just buy some foam padding and make sure no plastic/ metal is touching?
post #9 of 18
Quote:
Originally Posted by RabidSnail View Post

What exactly do you mean by decoupled? Just buy some foam padding and make sure no plastic/ metal is touching?

Pretty much, foam, rubberized silicon, neoprene, a kitchen sponge, I've seen em all used. As long as the vibrations from the pump can't be transferred to the chassis or whatever it's sitting on/in it won't cause resonance issues.
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post #10 of 18
Quote:
Originally Posted by ZytheEKS View Post

Pretty much, foam, rubberized silicon, neoprene, a kitchen sponge, I've seen em all used. As long as the vibrations from the pump can't be transferred to the chassis or whatever it's sitting on/in it won't cause resonance issues.


This is the drawback of using pumps mounted to the bay res. If you have speed control you can try changing to speed of one of the pumps, it may change the resonance. I tried several things to quiet my dual D5's, ended up going with a different res, much better now.
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