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post #11 of 22
Quote:
Originally Posted by greed;15583578 
even if there were bubbles the pump will still circulate the coolant.

But if a significant air pocket were located in the radiator itself, that would compromise the loop's ability to dump heat. The water would circulate but stay warm.

For me, y2klightning's comment that the air coming through the rad did not feel warm is a dead giveaway that the coolant isn't flowing through the radiator properly. I assume that this is a change from what you were used to before putting in the GPU cooler?

Check out the various threads and stickies here about how to bleed your loop... have you tried tilting your case around to try and move the air out? Gravity is your friend wink.gif
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post #12 of 22
Thread Starter 
Quote:
Originally Posted by threephi View Post
I assume that this is a change from what you were used to before putting in the GPU cooler?
To be honest, it never seemed warm before, but the CPU temperatures at full load we incredibly low, so it didn't seem odd to not have much heat coming out of the radiator. It only seems odd now that the coolant is VERY warm but the air isn't. If both the coolant and air were warm, I would figure I just don't have enough cooling capacity.

I'll go home and try to see if I can bleed the air out. Thanks for the advice everyone!
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post #13 of 22
Is it just me or does that loop order look a little off.. :S
 
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post #14 of 22
Quote:
Originally Posted by Dustin1 View Post
Is it just me or does that loop order look a little off.. :S
Loop order does not matter.
    
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post #15 of 22
Quote:
Originally Posted by SmokinWaffle View Post
Loop order does not matter.
I was always told res, pump, rad, Xpu, Xpu was the most optimal.

Although these where peoples opinions. Is there no optimal order? I honestly am no expert and really don't know, so if you could enlightenment me please do.
post #16 of 22
You need res to pump so the pump never runs out of water harming your pump after that you build for looks because the water temps will all equalize in the loop
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post #17 of 22
If your water temps have gone up and the CPU temps have also increased it's also worth checking your CPU block to make sure it isn't gunged up. Feser One can do that.
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post #18 of 22
Quote:
Originally Posted by Philliesfan View Post
I was always told res, pump, rad, Xpu, Xpu was the most optimal.

Although these where peoples opinions. Is there no optimal order? I honestly am no expert and really don't know, so if you could enlightenment me please do.
Quote:
Originally Posted by Los Hog View Post
You need res to pump so the pump never runs out of water harming your pump after that you build for looks because the water temps will all equalize in the loop
I think the complete answer is, loop order has a such a small effect on temps that it can essentially be ignored, and as Log Hog mentioned, practical and esthetic considerations typically outweigh any tiny thermal benefit that might come from running it one way as opposed to another.

For absolute maximum thermal performance, you would put rads immediately upstream from each heat generator (which, if you want to get extra super-anal, includes the pump). Even for a loop at equilibrium, the coolant temp will still be very slightly lower as it leaves the radiator compared to when it leaves a block. We're only talking about a few decimal points of a degree at most, but it's not zero.
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post #19 of 22
Thread Starter 
Okay, after much shaking, I dropped about 2" in the reservoir level and now am humming along at 49C for all cores in both CPU and GPU. Thanks for the suggestion, threephi! I must have just gotten lucky in the past with no trapped air.
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post #20 of 22
Quote:
Originally Posted by y2klightning View Post
Okay, after much shaking, I dropped about 2" in the reservoir level and now am humming along at 49C for all cores in both CPU and GPU. Thanks for the suggestion, threephi! I must have just gotten lucky in the past with no trapped air.


Glad you got it fixed! Are those temps at load, or idle? That's great if load, but they should be a lot better if it's idle. How does it compare to your temps before adding in the GPU?
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