Not sure if I'm going about this right, but I'm checking for vac leaks. Vid 1 and 2 are me pulling vacuum on both ports of the EVR. Is it supposed to make this noise?
Vid 1
YouTube - VAC 1.MOV
Vid 2
YouTube - VAC 2.MOV
Vid 1
YouTube - VAC 1.MOV
Vid 2
YouTube - VAC 2.MOV