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My GPU loop is not functioning properly!

post #1 of 23
Thread Starter 
I think these reservoirs look great! but suck for proper flow!

They have both inlet and outlet on the bottom. I think its anoying how when you fill it up, the water goes to both the pump and the last radiator in my loop because thats where i have it returning water to my reservoir. Anyway i know its been a while since i posted an update to this thread but i have so far done the following:

I completely drained my entire rig!

I took everything out piece by piece and tested each component in a separate loop to ensure there is no restriction issues and that the loop can complete.

Than i put everything back and filled for the first time. This time my cpu Loop seems to be completeing and running fine(i used an xspc 480 rad because my MagicCool Monsta is definitley defective) Now my issue is my GPU loop! it is doing the same thing where it suckse some water down but then shoots back up immediatley after shutting off. I checked to insure that the water is completeing the loop with no problem. But there must be some serious air pockets in one of my radiators. I have tipped my case in every direction possible. when i shake my case, i hear no splishing/splashing in the Rads so i assume there are no air pockets. All of my QDC's are fine!. I tested each one separatley. I dont know what it is and i am Desparate for some help. I am going to try picking up my entire case and turning it upside down to see if that does somthing. PLEASE HELP! SEE MY VIDEO BELOW
    
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post #2 of 23
Hey I know how annoying this can be. I'm a little bit confused as to what's wrong though? So you're saying when you turn on the pump the water level in the reservoir goes down a bit, and when you turn it off it fills up again? That is similar to my rig, and it's only because I have a radiator placed above my reservoir (like you). In my build what was happening was whenever I turned off my pump, the water in the radiator above the reservoir would drain into the pump, and the air would fill up in the pump. Basically all it was doing was air was trying to escape to the highest point in the loop. That's perfectly normal from what I understand. What about it is bothering you and what did you do to fix your CPU loop?

EDIT: I just spend time reading through your other thread on the CPU loop, so in that case you had a bad cpu block. I still think honestly that your radiators are fine and your loops are functioning normally. With any loop with water and a bit of air when the pumps are turned off the air will try to travel to the highest point in the loop, causing the water to be displaced and the reservoir to fill again slightly
Edited by PhantomTaco - 9/3/12 at 4:32pm
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post #3 of 23
I'm thinking this is mainly due to the fact that you have a radiator placed above the res. That used to happen to me (to a lesser extent because only about 1/3rd of my 2 radiators is above the level of my res), but it did it none the less.

I have a different res (one from Danger Den), and I modded it so that it was REAL EASY to fill. So basically what I did was turn the loop on, let the water level go down, wait about 20 minutes (to totally get water circulating in every nook and cranny) then I would fill my res nearly up to the top and then screw the fill port closed. That way, when I turn off the pumps, the air that is the loop (ie from the non-filled part of the res) doesn't have any place to go, thus the water can't be displaced and lower.
post #4 of 23
Thread Starter 
well there must be a way to get rid of it.

Before i added my extended pesdestal, I always had my Rad above my res like that except the other rad was right below my GPU's. Now i have that same rad in the pedestal on its side.

The first time i ran the loop i had no issues with the gpu loop but instead the issue was my CPU loop, the res on the right. As i stated above in my thread, i drained everything and started filling up both reservoirs again. This time the cpu loop was alot better! the water receded only slightly while the GPU loop is terrible with airlocks. After listening closley to the top rad, when i shake the case, i do hear some splashing. So that would mean there is air right? So what i did was tilt the case towards the top rad back end and ran the pump. I hear alot going on with fizz and bubbles, but nothing seems to fix the issue.
    
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post #5 of 23
Maybe the way I filled my loop will help:

Basically what I did was I connected a tube to the top of my reservoir and led it up above my case (maybe about 8 inches above) and stuck the funnel into there. From there I filled the loop as much as I could without overflowing and then turned on the pump and kept slowly pouring fluid down the funnel. Do not fill the funnel itself, make sure there is space from the funnel/tubing for air to come up as well. This way the air in your loop will instead escape through the tube at the top of your res. This worked fine for me in my build, hopefully it will help you as well.
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post #6 of 23
Thread Starter 
so your saying i should drain everything again and refill?~!!!!!! please no!

The problem with this Reservoir is that it has a small fill hole on top and a Cathode Light inside that sort of blocks the flow of water down the res. You have to fill it slowly or it will clog up.

What if i were to turn my entire rig upside down? LOL

should i really be concerned with this?

will it greatly affect my TEMPS? water is still flowing through the loop.
    
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post #7 of 23

Caps lock key broken too? I kid, I kid. [/troll]

 

If your only problem is water surging back into the res after you turn your rig off, you're fine. It happens. It's just the way your loop is setup, with the res at a lower point than some other component.

 

If you think you still have air trapped in the loop there are a number of very simple fixes to this:

 

1. Tap on your radiator and/or shake the PC gently to help loosen the air bubbles trapped inside.

 

2. (This is the easiest, and my favorite fix to air pockets/problems) Add a drop or two of dish soap to your res. It will break the surface tension of the water and cause your loop to purge pretty much all of the air bubbles within a few minutes.

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post #8 of 23
Thread Starter 
Quote:
Originally Posted by trendy View Post

Caps lock key broken too? I kid, I kid. [/troll]

If your only problem is water surging back into the res after you turn your rig off, you're fine. It happens. It's just the way your loop is setup, with the res at a lower point than some other component.

If you think you still have air trapped in the loop there are a number of very simple fixes to this:

1. Tap on your radiator and/or shake the PC gently to help loosen the air bubbles trapped inside.

2. (This is the easiest, and my favorite fix to air pockets/problems) Add a drop or two of dish soap to your res. It will break the surface tension of the water and cause your loop to purge pretty much all of the air bubbles within a few minutes.

This is good!

Will this cause any issues with the cleanliness or alge build up in my blocks if i put a drop or two of dish soap?

i ask because i have silver kill coils and i put 2 drops of Dead Water in my loop to prevent this.
    
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post #9 of 23

The dish soap will be fine, I've got a similar coolant setup wtih kill coils and it's always been just fine.

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post #10 of 23
Thread Starter 
Quote:
Originally Posted by trendy View Post

The dish soap will be fine, I've got a similar coolant setup wtih kill coils and it's always been just fine.

kk

i'll give it a try and get back to you asap!

thanks
    
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