Water cooling - Air stuck EK 140 REVO D5 - please help

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A

arsenesurvie

Jul 12, 2018
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Hey so I had this water cooling system for a year now, and I still got air stuck around the CPU header.

Im using a EK140 revo D5 with PWM, but dont have PWM active, to run it at 60% speed.
as you can see in the video, I got air stuck in the loop.

I have tried to run the loop for days, i have taken the cap of the pump, i have turned my computer up and down, several times but after a while that air is coming back. it takes around 2-3 weeks for this amount of air to come back. I dont know if it because the air gets into the radiator and find it way back.

but my question is How do i solve this, it looks like my pump isn't strong enough tho it should be the strongest on the market.

video link here: https://www.youtube.com/watch?v=o_YJVgFG6Sk&app=desktop

thanks on advance
 
Solution
rubix_1011
The pump being 'strong' isn't the issue but it is...watercooling pumps aren't designed to push or move air, which this is attempting to do.

From the video, it is really difficult to see the entire loop, it seems to only focus on the air bubble.

Can you run the pump at 100% speed with the cap open? If this works, leave the cap off for several hours and slowly add water to displace the air that collects in the reservoir.

I assume this loop runs pump > CPU > radiator > reservoir > pump?
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rubix_1011

rubix_1011

Contributing Writer
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Jan 12, 2007
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The pump being 'strong' isn't the issue but it is...watercooling pumps aren't designed to push or move air, which this is attempting to do.

From the video, it is really difficult to see the entire loop, it seems to only focus on the air bubble.

Can you run the pump at 100% speed with the cap open? If this works, leave the cap off for several hours and slowly add water to displace the air that collects in the reservoir.

I assume this loop runs pump > CPU > radiator > reservoir > pump?
 
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Solution
A

arsenesurvie

Jul 12, 2018
2
0
10
will take a picture of it sometimes soon. so you can see the whole loop, but you right is running pump > CPU > radiator > reservoir > pump.

I have the pump running at 100% for some time ago, with cap open, i even drew mark on my reservoir to see if were getting more air out and more cooling in the system. and it worked, had it on for like 5 hours.

but I keep you up to date. thanks
 
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C

Candan

Honorable
Jul 27, 2014
237
1
10,715
I'm familiar with your EK waterblock and your pump as I have both.

It's not your pump that's causing you the issue, it's your CPU block.

Now, I'm sure you're using the right jetplate, but that's check 1. The other check is the direction of the ribs inside the nickel piece of the block that makes contact with the CPUs heat spreader. You'll need to remove it to see. The flow of coolant must go along the channels of the ribs, not against them.

The manual talks a lot about the jet plate and nothing about this. So this happened to me. Once I turned the block base 90 degrees, everything sucked through as it should. And it won't take 5 hours to suck through. It will take 5 seconds.
 
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