Air spaces within the xspc x20 750 CPU and GPU cooling configuration
Air spaces within the xspc x20 750 CPU and GPU cooling configuration
I'm using the xspc x20 750 r4 pump res with the configuration going through CPU, GPU, radiator, and then back to the rest. There seems to be a recurring problem that has developed over time involving the CPU, GPU, radiator, and tubes, which now have large air pockets. The pump struggles to push through these areas. I tilt the radiator so liquid enters the out tube and fills it, but it still directs air into the radiator instead. I've emptied it several times, but I'm unsure what else can be done except wait a few hours before checking again.
This setup functioned flawlessly at first and didn't cause unusual vibrations or issues.
Have you tested the loop for an extended period with the reservoir open? You should purge air from the loop before filling and sealing it, as otherwise the system won't properly equalize or expel air through the reservoir. Thanks, but after checking more closely it appears the green substance has solidified in the CPU block. I know air needs a path, but I think the original reason the loop failed before refilling was due to this buildup. It's not just micro-bubbles—it's entire sections of the tubing that can't handle liquid flow because pressure differences exist, making it impossible for the pump to work effectively.
You didn't reference that earlier, so I wouldn't have realized it was a pre-existing condition. Also, it didn't seem like micro bubbles were the problem—it appeared to be about much larger bubbles as you pointed out.