Air bubbles

[XCalinX]

Hey guys

Just built my rigid tubing loop today but I have a problem. It worked fine at first but then I noticed that my games were stuttering and when I checked my temps I found out that my GPU is at 92c and CPU at 78c. I have a 480 45mm thick rad and a 560 86m thick rad. My pump is a D5 with a EK X Top. There is a airbubble between the GPU and CPU and it doesnt move at all. When the system is off the fluid fills almost the full res but when I turn it on it moves to about 3/4 of the res... Can anyone help? Thank you!

[Tetters]

Try the following:

 

1. gently rocking the PC when its on

2. use something to tap the tube where the air bubble is sitting to try and move it.

3. power cycling the pump

4. a drop of dish soap in the res can help bubble disspiation

 

It sounds like the flow is definitely being interrupted. Is your pump powerfull enough?

[airdeano]

if your res drains under power on and refills power off, you have that much air in

the system and then some. the system is to be hydraulic. as the pump is trying

to force by pressure the coolant, but met with resistance in the air. air can

compress making the pump pressure seem weak, but it is actually trying to

compress the air and move it about.

 

system off, lean and roll the case to chase the air pockets to the res.

[XCalinX]

Thanks @airdeano. Should the res fill port be open or not?

[airdeano]

if moving around, res should be sealed to prevent spillage.

[XCalinX]

@airdeano I leaned it a lot but, it is a tad cooler - 56c on the GPU, 73c on the CPU but stilldoesnt cool the way it should

[airdeano]

does the res supply still shrink on power up?

 

got a picture of the routing/build?

[XCalinX]

does the res supply still shrink on power up?

 

got a picture of the routing/build?

Yes it does. I have a pic but the quality is pretty bad

https://scontent-fra3-1.xx.fbcdn.net/hphotos-xaf1/t31.0-8/920786_510504569132459_7648035887530710486_o.jpg

[airdeano]

so to clarify, loop order is:

res>pump>front rad>roof rad>CPU>GPU>res

 

if true, your CPU block has the coolant entering the outlet and the inlet is the

exhaust. your CPU temps will be too high and dodgy.

 

 

if not like above order, your loop order is all wrong.

pump>res>GPU>CPU>roof rad>front rad>pump is not correct.

[XCalinX]

so to clarify, loop order is:

res>pump>front rad>roof rad>CPU>GPU>res

 

if true, your CPU block has the coolant entering the outlet and the inlet is the

exhaust. your CPU temps will be too high and dodgy.

 

if not like above order, your loop order is all wrong.

pump>res>GPU>CPU>roof rad>front rad>pump is not correct.

Alright, but what about the GPU? It's at 90c right f-ing now

[Dango]

I would like to have a picture of your loop. The order of the component does not make any different. Only thing is to make sure the reservoir is feed the coolant to the pump.

[XCalinX]

I would like to have a picture of your loop. The order of the component does not make any different. Only thing is to make sure the reservoir is feed the coolant to the pump.

I already posted one above.

[0ld_Chicken]

is it flowing from res to pump, or pump to res?  if it is pump to res then that is probably your problem.  Res needs to feed the pump, not the other way around.  

 

and the cpu block inlet/outlet is important too

edit: either way, one of them is wrong

[XCalinX]

is it flowing from res to pump, or pump to res?  if it is pump to res then that is probably your problem.  Res needs to feed the pump, not the other way around.  

 

and the cpu block inlet/outlet is important too

edit: either way, one of them is wrong

Res to pump. It worked first for about 2 hours then the temp went through the roof

[0ld_Chicken]

Res to pump. It worked first for about 2 hours then the temp went through the roof

well then, like airdeano was pointing out, your cpu block is definitely backwards.  I dont know exactly what happens with the alphacool block when its reversed but it may be causing your problem.  I've heard it can cause increased restriction, and maybe that is keeping you from getting the bubble out.

 

I'm sure it's there somewhere, but where is your run back to the pump?  Is that the black tube that can barely be seen?  cool idea

 

is the pump running at 100%?  did you try cycling the pump 100%/off slowly WHILE leaning the case as much as possible?  

[Dango]

I already posted one above.

 

Check the pump, make sure its not failing. For me, the issue is something to do with the flow rate.

Also, check the soft tube, make sure it not been squeeze in the back.

 

BTW, the 180 degree bend is a really bad idea. It produce a lot of restriction to the loop. But D5 should have enough power to push it.

[XCalinX]

well then, like airdeano was pointing out, your cpu block is definitely backwards.  I dont know exactly what happens with the alphacool block when its reversed but it may be causing your problem.  I've heard it can cause increased restriction, and maybe that is keeping you from getting the bubble out.

 

I'm sure it's there somewhere, but where is your run back to the pump?  Is that the black tube that can barely be seen?  cool idea

 

is the pump running at 100%?  did you try cycling the pump 100%/off slowly WHILE leaning the case as much as possible?  

The one from the res IS the one back to the pump. It goes like this: Res>pump>bottom rad> top rad> cpu > gpu > res

Yes the pump is at 100% but I can't get to the back of it to cycle the speed because of where it's mounted

[0ld_Chicken]

The one from the res IS the one back to the pump. It goes like this: Res>pump>bottom rad> top rad> cpu > gpu > res

Yes the pump is at 100% but I can't get to the back of it to cycle the speed because of where it's mounted

Right.

any thoughts on your block being fed backwards?

 

can you plug the pump into a seperate PSU and turn it completely on/off while you lean it? (or just jumper the psu so your pc isn't turning on/off)

[XCalinX]

Right.

any thoughts on your block being fed backwards?

 

can you plug the pump into a seperate PSU and turn it completely on/off while you lean it? (or just jumper the psu so your pc isn't turning on/off)

Well I found a spot to change the speed. I noticed that when I change it, the temp drops down 4-5c then goes back up.... weird. I'm gonna try to drain the loop and make 2 new tubes so that I can mount them onto the CPU Block properly or flip the CPU block around

[0ld_Chicken]

Well I found a spot to change the speed. I noticed that when I change it, the temp drops down 4-5c then goes back up.... weird. I'm gonna try to drain the loop and make 2 new tubes so that I can mount them onto the CPU Block properly or flip the CPU block around

that is a decent idea I think.  Could you notice if there was any movement/swirling of the waterline in the res while the pump was running?

[XCalinX]

that is a decent idea I think.  Could you notice if there was any movement/swirling of the waterline in the res while the pump was running?

Just a little bit. But can I get away without draining it? I really don't wanna work on Christmas.

[0ld_Chicken]

Just a little bit. But can I get away without draining it? I really don't wanna work on Christmas.

WORK??!  you mean play??  haha I have to stop myself from playing with my loop too often, I think I've rebuilt it 10 times in 4 months, usually adding or upgrading parts.

 

You'll probably have to drain it, at least to the bottom of the res so that the gpu is empty of fluid.  the lower pipes/rad and pump can be full, depending on how your drain is set up. 

 

OR you could always keep trying to get that bubble out.  I worked mine pretty hard when I last rebuilt it (twin d5's this time) and I still had a few that came out after a week or so. 

 

If the bubble is still between the gpu and cpu, I would think that tilting it so that it is almost on its back panel (45° angle or more) and turning the pump on 100% for a few seconds and then unplugging it and back on several times would get that bubble moving.  If not I'd be tempted to check my pump when I drain the loop. 

[XCalinX]

My old DDC had the same problems and it died and got this D5. I really don't wanna buy another pump again lol. I tilted the case upside down and now there is no fluid under the GPU

Here's a pic. Also the pump WAS RUNNING when I took it.

https://scontent-fra3-1.xx.fbcdn.net/hphotos-xtf1/t31.0-8/773723_510615162454733_6196594128417460743_o.jpg

[0ld_Chicken]

My old DDC had the same problems and it died and got this D5. I really don't wanna buy another pump again lol. I tilted the case upside down and now there is no fluid under the GPU

Here's a pic. Also the pump WAS RUNNING when I took it.

https://scontent-fra3-1.xx.fbcdn.net/hphotos-xtf1/t31.0-8/773723_510615162454733_6196594128417460743_o.jpg

keep tilting, back and forth in all directions.  Only stop if your pump is going to run dry or something crazy happens.

its making progress.  only a bit farther to the res

[XCalinX]

keep tilting, back and forth in all directions.  Only stop if your pump is going to run dry or something crazy happens.

its making progress.  only a bit farther to the res

I tilted it again but it still doesnt pump properly. The airbubble under the GPU is no longer though