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[Solved - Thanks] Air Trapped in pump MCP 655

post #1 of 18
Thread Starter 
Hi Guys,

I decided to replace the fluid in my loop yesterday, haven't really changed the setup at all, just opened it up, cleaned it (though not thoroughly) put it back together and filled it with Fluid XP+ Clear Ultra LT.

filled it up, let it sit for a few hours with the lid off the res (XSPC Single 5.25″ Bay Reservoir) then put in more water to get rid if the air, then i ran the pump for a while and there was still air in it. So I then started to run the pump for a few seconds and turn it of, get the air thats gathered in the res to the fill port and replace it with fluid. I did this a few times.

once it was quiet and seemed like there was no air left in it and closed it up.

I have been using the PC today and I can hear bubbles it sounds like they are in the pump but no matter what i try i cant get them to leave the pump.

I have tried:

1 - Running the pump with the lid on the res
2 - Running the pump on its lowest setting (1) with the lid off the res
3 - tried shaking it, beating it with the rubber handle of my screw driver.
4 - tried putting the PC at all kinds of angles with the pump running (I know you shouldn't but I am running out of ideas here)

I Just dont know what to do.. I cant just leave it as it seems to be cause my video card to over heat and shut down..

Should I Take the lid off the res, turn the pump off and just leave it sit for a few hours? I dont know.. any ideas would be appreciated..

thanks guys..
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post #2 of 18
You try letting it run with the lid off? Also curious fuss did you hook the pump back up correctly? Just curious seen people get the inlet outlet backwards.

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post #3 of 18
Thread Starter 
yeah pump is connected correctly.. seems the air has moved out of my pump though I dont know where its gone since its not in my res and I cant hear it splashing around anywhere.. might be stuck in my rad now :-S

yeah I did try running it with the lid off, though at a low setting so that the water wouldn't spill out.

Guess i could put the PC at a 5 degree angle and leave the pump running with the lid off the res over night, see if that helps at all... cant think of anything else.
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post #4 of 18
Is you pump below your res? I had similar trouble tonight while trying to flush my rad before assembly. I was using a jug as a res and I had air in the pick up line and since the top of the water line wasn't much above where I had my pump sitting I couldn't get it to start a siphon and fill the loop. Also is your res getting lots of bubbles in it. If so it may just be recirculating the air. try turning your pump speed down if you have the adjustable model, fill your loop as much as possible and cycle the pump for ~5 seconds every 10-20 seconds.
post #5 of 18
Thread Starter 
yeah my pump is below my res, I have my res in the top bay of the Corsair 800D seems that the the air is gone. as far as i can tell just left the pump running with the lid off the res for another few hours.. but I think i have more serious problem.. it seems while under load my GPU temp reaches 80c, the tubes are hot to the touch and so is the res when this happens, however my CPU is reporting temps of 40c (which kind of makes sense since the water comes out of the rad into the CPU)

is it normal for a 580GTX to reach 80c under load? I cant find my old temp log files but i dont seem to remember the GPU ever getting that high.. might turn the AC on in the room and give it another try to see.. might need to install new fans on the rad..
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post #6 of 18
Quote:
Originally Posted by Trget View Post

is it normal for a 580GTX to reach 80c under load? I cant find my old temp log files but i dont seem to remember the GPU ever getting that high.. might turn the AC on in the room and give it another try to see.. might need to install new fans on the rad..

Not if it's under water. I have a 570 OC'ed to 900mhz and it barely gets over 44C when maxed out folding.
post #7 of 18
Quote:
Originally Posted by Trget View Post

is it normal for a 580GTX to reach 80c under load? I cant find my old temp log files but i dont seem to remember the GPU ever getting that high.. might turn the AC on in the room and give it another try to see.. might need to install new fans on the rad..

Thats way to high for a 580 under water my sli 580s dont break 50's.
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post #8 of 18
I don't know if this will help. I usually give it a little shake(computer off of course) while the pump is running. I give the tubing a little squeeze as well so help send more pressure in the line. Don't squeeze and hold the squeeze down. Just pinch and release multiple times between the shakes or even while you are shaking if you have the coordination. Sound like your card is not getting the flow it needs because of the air in the line or it needs to be reseated with some new TIM( or whatever you use). Those temps are not right for a you under water. GL.
post #9 of 18
I gotta agree with the others. That just sounds crazy high for water. You have air some where. And you can probably hear where it's coming from. From what I understand (new to the water game) water cooling loops should be almost silent if you have all the air out.
post #10 of 18
Thread Starter 
yeah I'm not sure whats going on, it doesn't sound like there is air in the loop anymore, I might take the loop apart again and might just take this as an excuse to completely redo my loop and Add in a second one.. yeah I think i will do that. :-) i think i will also replace this crappy 800D - absolutely hate this case.
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4x WD Black 1 TB Intel 520s 240GB SSD Samsung Blue Ray Windows 7 Ultimate 64bit 
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My System
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CPUMotherboardGraphicsRAM
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4x WD Black 1 TB Intel 520s 240GB SSD Samsung Blue Ray Windows 7 Ultimate 64bit 
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