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post #1 of 18 (permalink) Old 01-26-2020, 01:40 PM - Thread Starter
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Loop bleeding

Hey,

I am very new to custom cooling to every advise would probably be very helpful.
I guess there are like million treads with the same issue, but I also guess that every loop is kind of different.
So I Just upgrade my loop and I have difficulties bleeding it. I mean, there is huge bubble trapped in the thick front rad.
It used to have this layout, the bleeding of this config was really easy.
Pump&Res combo -> GPU block -> 240mm slim rad(top) -> CPU waterblock -> 360mm slim rad(front) -> pump&res combo.
it worked fine but the temp where bit high and noisy so I upgraded one of the rads.
Now this is the layout
Pump&Res combo -> GPU block -> 360mm slim rad(top) -> CPU waterblock -> 360mm thick(60mm) rad(front) -> pump&res combo.

There are some pic here.

Can it be a sign of problem?
Thanks every one for the help =]
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post #2 of 18 (permalink) Old 01-26-2020, 01:47 PM
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Hi,
GPU is piped backwards for one
EK gpu blocks the the left side is inlet right side outlet on 1080ti
If switched it creates a conflict at the water jet flow
Instead of going in jet plate and splitting into two different directions
Fluid will be going from two directions into one that is conflict.

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post #3 of 18 (permalink) Old 01-26-2020, 01:48 PM
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Tip the case in all directions.

-Guide to 1st Case Modding for Better GPU(s) Performance/Cooling-
https://www.overclock.net/case-mod-wo...ing-guide
-Guide to 2nd Case Modding for Better GPU(s) Performance/Cooling-
https://www.overclock.net/case-mod-wo...e-fan-mod
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post #4 of 18 (permalink) Old 01-26-2020, 10:00 PM - Thread Starter
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Quote: Originally Posted by ThrashZone View Post
Hi,
GPU is piped backwards for one
EK gpu blocks the the left side is inlet right side outlet on 1080ti
If switched it creates a conflict at the water jet flow
Instead of going in jet plate and splitting into two different directions
Fluid will be going from two directions into one that is conflict.
OK, I will gonna have to drain the loop and change it, could it be the cause for the big air bubble? it could impact the CPU cooling performance?
Because the gpu cooling performance looks fine. The CPU temps look little bit high. Maybe it can cause an back impact on the flow rate?
There are more points in that matter? I would like to address all of them if I am draining the loop.

Quote: Originally Posted by Gunderman456 View Post
Tip the case in all directions.
I have tried if for couple of hours, sadly it won't budge.
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post #5 of 18 (permalink) Old 01-26-2020, 10:41 PM
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Quote: Originally Posted by Koby990 View Post
OK, I will gonna have to drain the loop and change it, could it be the cause for the big air bubble? it could impact the CPU cooling performance?

Because the gpu cooling performance looks fine. The CPU temps look little bit high. Maybe it can cause an back impact on the flow rate?

There are more points in that matter? I would like to address all of them if I am draining the loop.





I have tried if for couple of hours, sadly it won't budge.


Turn the pumps on and off, keep tipping and after awhile the air will bleed out

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post #6 of 18 (permalink) Old 01-26-2020, 11:53 PM
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Do the old fashion way and the bubble(s) will go away without you tipping or turning pump off and on. Add 1-2 drops MAX of clear Down Dish soap, works every time, even if you have pastel or dyed liquid, but It has to be clear Down, don't use the color one.

1. Dish soap will release surface tension and any bubbles you have in your line will be gone with no time and
2. It will help your pump(s) to run quieter as well


Last edited by NewUser16; 01-26-2020 at 11:57 PM.
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post #7 of 18 (permalink) Old 01-27-2020, 12:48 AM
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Quote: Originally Posted by NewUser16 View Post
Do the old fashion way and the bubble(s) will go away without you tipping or turning pump off and on. Add 1-2 drops MAX of clear Down Dish soap, works every time, even if you have pastel or dyed liquid, but It has to be clear Down, don't use the color one.



1. Dish soap will release surface tension and any bubbles you have in your line will be gone with no time and

2. It will help your pump(s) to run quieter as well





I keep forgetting about this method. Does this work when using mayhems XI fluids or just distilled?

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post #8 of 18 (permalink) Old 01-27-2020, 07:10 AM
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Quote: Originally Posted by Koby990 View Post
OK, I will gonna have to drain the loop and change it, could it be the cause for the big air bubble? it could impact the CPU cooling performance?
Because the gpu cooling performance looks fine. The CPU temps look little bit high. Maybe it can cause an back impact on the flow rate?
There are more points in that matter? I would like to address all of them if I am draining the loop.
Hi,
You're killing a lot of flow going backwards through the gpu it's not surprising it's cool though it's first in line it will always be cool in that position
But that is killing pressure for the rest of the loop.

Draining at this point is no loss it's not filling anyway.

This will always give a single gpu the best flow
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Last edited by ThrashZone; 01-27-2020 at 08:04 AM.
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post #9 of 18 (permalink) Old 01-27-2020, 07:43 AM
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Do you not have a drain valve? If you tear it down to swap the GPU tubes, I would add one while you have it apart. Also when filling the loop, it helps to run the pump at max until you get all the bubbles out, then you can set it at your desired speed.

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post #10 of 18 (permalink) Old 01-27-2020, 08:26 AM
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Quote: Originally Posted by NewUser16 View Post
Do the old fashion way and the bubble(s) will go away without you tipping or turning pump off and on. Add 1-2 drops MAX of clear Down Dish soap, works every time, even if you have pastel or dyed liquid, but It has to be clear Down, don't use the color one.

1. Dish soap will release surface tension and any bubbles you have in your line will be gone with no time and
2. It will help your pump(s) to run quieter as well

Old school....never fail the old fairy...
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