I have a MasterLiquid Lite 120 and it keeps making noises. I have an i7-8700K and when I run Prime95 the temperature gets up into the 85C range on it, which I feel is too high. At idle it is about 33C.
The noises also worry/annoy me. It will be silent for a few seconds and then I hear whirring from the closed case for a few seconds and then silent for a few seconds and repeat. This is at idle.
I submitted a support ticket on 19-Jan-2018 and I have not gotten any response
I too experienced the same issue shortly after installing the MasterLiquid 120 lite CPU Cooler. Have you tried checking your motherboard fan settings in the BIOS? I found that the MSI motherboard that I'm using defaults the CPU and pump headers to use the PWM mode (with 4 pin plug). From what I found in other forums, the pump on these coolers (with 3 pin plug) need a steady supply of power so you want to set the pump header to use the DC mode. After updating the pump header s