My 360 retains doing this noise even after I took it for a deep clear and alter of thermal paste

The console does this noise solely after I play some video games everytime ( pink useless redemption, GTA4 and Ace fight 6) it comes from the fan .I took it for upkeep yesterday hoping that it might cease I requested the man if there was one thing caught on the fan and he stated no, I get residence begin the console and there’s the noise once more So I'm out of concepts is it regular?