Water Cooling Help Needed

Joe-Gamer · Oct 2, 2014

Hi I built my water cooled pc and it has got great temps. However as I have a external top mounted 360mm monsta rad, I have a lot of air bubbles. When I run the loop the res gets a small air gap, with lots of micro bubbles; when the pc is turned off the res water level rises to the top and all the air goes into the top external rad. This air is making my pump (ddc-1t) fairly noisy. Anyone know what to do? I got most of the air out by running with res open (tube ek res) but not more will come out

JackNaylorPE · Oct 2, 2014

I use bleeder valves on both the top rad (also Alphacool) and EK Rez.

The EK res one consists of a EK adapter (you have an EK res, you know what's needed) a M x M Bitpsower G-1/4 and a bleeder valve with plug on other end.

From the top port on the top rad (pump inlet side) , I did essentially the same thing with G1/4 C47 fitting, 12" section of acrylic tube, then another C47 and another bleeder valve

Starting with both valves closed..... and assuming you have a fill tube in the res so incoming water is below res level

1. Open valve at top of rad and fill 12" tune with coolant, close valve.

2. Turn system on and crack the valve on top of reservoir a bit.....

3. Now crack open the radiator valve and the tube level will drop filling the air space in the res...while air exits thru the valve on top of the res.

4. Once satisfied with the level in the res, close the res valve and leave about 3" of water in the tube above the rad.....

5. With both valves closed, tip the system this way and that while running to release trapped bubbles.....

6. Put a book or something under the edge of your case bottom on the end where the tube is ... you want the end of the rad with the tube to be highest point in system .... run for 24-48 hours.....each bubble that makes it into the rad should get trapped in the reservoir end and find it's way up into the tube and be immediately replaced by the 3" of coolant you left.

7. When you feel like you're done, crack the res valve and then the rad valve and let it drain into the system being careful not to let any air in.

8. Close the res valve and plug the other end for safety, take off the tube and valve assembly , put the plug back in rad.

AdmiralDonut · Oct 2, 2014

Sounds a bit odd, but could you draw a diagram showing how you've laid your loop out? Take a pic of your rig and then use that to indicate where the hoses go etc. Might make it easier for people to visualize the issue.

Joe-Gamer · Oct 3, 2014

dont know if im allowed to link to another forum, but the pcs of my rig are here- http://www.overclock.net/g/a/1252238/official-corsair-vengeance-c70-gaming-case-owner-club/
Res-Pump-240rad-gpu-external360-cpu-back to res

JackNaylorPE · Oct 3, 2014

AdmiralDonut :

http://www.overclock.net/t/1418637/official-case-phanteks-club-enthoo-primo-enthoo-luxe-enthoo-pro-lovers-owners/990#post_21100122

Download the PDF..... There's detailed pictures throughout the thread

Joe-Gamer · Oct 19, 2014

I fixed the problem, when the pc is on the res water level drops, when pc is off the res is full and top rad is full of air. I squeezed the tubes to push all the air to the top rad and then added more water from the top of the rad pushing the air out while the pc and pump were off. Shook the pc side to side etc and repeated. No more bubbles and the rs water level does not drop when the pc is on now

JackNaylorPE · Oct 19, 2014

Glad the advice was helpful ... happy water cooling, yell if anything else pops up.

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