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New MCP35X is screeching and won't pump

post #1 of 9
Thread Starter 
Hey guys I just got a Koolance 402X Rev 1.1 and 2 MCP35X pumps, when I fire my computer on with just a dummy clip the pumps screech and will not move any water. Any ideas on what could be causing this?

Stuff in my loop
1 480 rad
1 cpu block
2 GPU blocks (6990's with aquagratix twin link connecter)

Thanks
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Funky Cold Medina
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post #2 of 9
Is water going into the IN port on the pump?
post #3 of 9
Thread Starter 
Water isn't moving anywhere
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Funky Cold Medina
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post #4 of 9
If they are new pumps and they are screeching(normal for a pump with no water running through it), somehow the water is not getting inside. You have to use gravity to get the water to go into the pump.(hence why you put reservoir over the pump) Is the screeching sound like its spinning up at all?

Oh..1k posts..woot! XD
post #5 of 9
Thread Starter 
Its a drive bay reservoir and I have it outside the case and can move it around but the pumps won't take in water and I have to shut it down.
Funky Cold Medina
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post #6 of 9
Well, there are limited parts in a pump that can make a screeching sound, I would take the loop apart and look at the pump and make sure nothing is blocking the intake. I might take it apart since I am finding images that show its easy to do so, but for warranty's sake, you don't have to. The screeching shows that it is in fact spinning. If nothing is blocking the intake then send them back..something must be wrong on the inside. and maybe try pumps one at a time..just put a verticle tube on top and let it spit out the water..
post #7 of 9
ya it sure sounds like you have the in/out swapped. Verify that you installed the tubing correctly and don't have it backwards.

All else fails I'd take the pumps off and hook a tube on the in/out and take it to a sink and verify its pumping without being in the reservoir.

Also, just in case you took out the pump plates from the res right?
Edited by wondergod - 11/10/11 at 11:11pm
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post #8 of 9
did you seal the res? suction can be preventing the pump from getting the water, i know it always does in my setup so i just leave my fill port open until i got it pretty much bleed through.
post #9 of 9
Quote:
Originally Posted by Tyson95 View Post

Its a drive bay reservoir and I have it outside the case and can move it around but the pumps won't take in water and I have to shut it down.

First off you are not supposed to even start the pump until you verify whether or not there's water being drawn into the pump from the res, pump manufacturer's caution you against running the pump for more than 3 seconds without water! The pump by itself can't pump water if there isn't any in the pump to begin with, you have to feed the water to the pump in order for it to pump water. Something must be blocking the flow of water, if not then gravity doesn't exist where you live! wink.gif
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