3 years ago i purchased a CoolerMaster Nepton 240M from JW Computers. It worked well with my old Intel Pentium G3258 and i got a 5.1GHz OC with temps around 60-80C at 100% load, however in the past week i heave been hearing every 10-20 seconds air bubbles blowing through the rad. The sound is not annoying as my case has sound dampening however it does not sound safe. My pump also sounds like it is dieing with a loud hum and rattle. I can also only hear this noise when the side panel of my case is off. The temps with my new Intel Xeon E3-1231 V3 have been sitting on 17c at idle and 25-29c at 100% load which i thought was really good. I'm worried about if this is normal or not, i don't want to have to go thorough RMA because my experience with MSI was appalling, and no offense but i'm worried about cooler masters support.