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Help! GPU/Rad leaking

post #1 of 5
Thread Starter 
Hi guys, I am in the process of leak testing my first custom loop and found some leaks.

Here are the stuff I am using -

1. Black Ice GTX 360 radiator
2. A SVGTech(probably Swiftech) 240 radiator on bottom
3. XSPC Bay Reservoir with 750 Pump
4. Alphacool Nexxxos GPU block for HD7970
5. Monsoon compression fittings
6. Primochill tubing

The top port of the GPU block where I have connected my tube+fittings leaks when I test it, water dripping out of it even when I have taken out the tubing and reseated it firmly with the O-Ring and properly tightened it.

The same happens with one of the ports on the bottom 240 radiator. I had done the same with it, pull out the fitting, reseat it, tighten it, push the tube as far as it would go, with the O Ring already there, and fix everything together but it still leaks.

The Bay res, the bottom port does not leak when I normally test it with tap water running through it but when I try to test it fitted in my system and the pump running, it leaks ever so slightly, one drop in 2-3 seconds or so.

I will add some pictures, but for now can someone please help me? I am new to this and don't understand where I am going wrong.

Thanks,
Chironx
post #2 of 5
What I would do if I were you is to pull out the gpu block and rad from the loop and test it on their own for leaks. I would also replace the o-ring on the fittings. You can make a loop outside of your system with the gpu block, rad, pump and res -- this way you can check clearly why you have leaks, if there are still anyway.

Btw, what size of tubes are you using?
Julian
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Julian
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 3570K ASUS Sabertooth Z77 EVGA GTX 780 SC Corsair Dominator GT 
CoolingCoolingCoolingMonitor
EK Supremacy CSQ EK FC GeForce Titan CSQ EK RAM Monarch CSQ BenQ XL2420T 
PowerCase
Corsair AX750 CaseLabs ST-10 
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post #3 of 5
Thread Starter 
I am using 5/8-7/16 tubings.

Funny thing is, when I tested the GPU block, it was showing the same leak, albeit on much lesser way (one drop every 4-5 seconds). When I tightened it a little, it stopped, but again when I put it back on the system the leak re-appeared.

With the bay-res, I did the same, and it did not leak the first two times when I tested it. Then it started dripping again.

frown.gif
post #4 of 5
when all the tubes are connected before putting any water in, recheck the fittings are still tightly screwed in. I had one come loose on top of my GPU.

Good luck! thumb.gif

you already did note it but also make sure that the tubes are pressed all the way down. Using very hot water helps to soften the tube which makes it easier to press down.
My System
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i5 2500k | 4.6ghz @1.30v Asrock z68 extreme4 gen3 HD 7950 crossfire 8gb ddr3 1866 Gskill 
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Nzxt switch 810 matte black 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k | 4.6ghz @1.30v Asrock z68 extreme4 gen3 HD 7950 crossfire 8gb ddr3 1866 Gskill 
Hard DriveCoolingOSPower
Crucial m4 128gb + wd10ears + WD velociraptor Xspc rs240 + ex360 Windows7 x64 Thermaltake TR2 700w 
Case
Nzxt switch 810 matte black 
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post #5 of 5
Thread Starter 
Okay, but what are the chances that the rad/res/gpu block might actually be faulty?
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