New loop - problems

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14 Jul 2012
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8
I set up a custom loop in my new pc about a week ago. It worked perfectly for a few days but then the coolant suddenly turned very cloudy. When turned off it becomes clear again, but when running it quickly turns almost opaque. It's distilled water with a silver kill coil, I'm fairly sure there's only nickel, copper and brass in the loop. I rinsed out the radiator thoroughly before installation, but the rest I only ran water through briefly.

Does anyone know what might be causing this, and whether it's a problem? My temps seem alright (50-60 degrees with a i7-3770k @ 4.0Ghz under load).

I've also been noticing some rather suspect noises coming from the computer, but I haven't been able to pin down what component is causing them. Thudding, clicking and also a sound like a record skipping that's sometimes accompanied by a brief screen freeze.

I'd really appreciate any help, this is my first computer build and I've no idea what I'm doing D:
 
There's air in your loop, a little bit of air is natural but this sounds quite serious.
The pump appears to be sucking air in and pushing it through your loop, the tiny particles making the water opaque.

The thudding is likely coming from a buildup of air in your pump, I'd check all the seals and connections.
 
wow thanks for the quick response.

I checked all the fittings, there's definitely no water getting out so I don't see how any air could be getting in, other than the air at the top of my reservoir. It's an EK dcp 4 pump with the combo reservoir, so it's hard to see what's going on. Do I need to take the whole loop apart?
 
thje thudding is hydraulic knock and pump is cavitating as in drawing air u need to bleed the system

after it has sttled and is clear

no u dont need to take the loop apart move iot all about so the air gets to the top and bleed it bit by bit


a bit like you do at the top of a radiator in your house.
 
I bled the loop again, it seems to have reduced (though not eliminated) the bubbles in the fluid, and I'll listen out for any more suspect sounds. Thanks for the advice
 
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