Hey guys On Friday when leaving work i started the car and heard a strange noise, it sounds like a crucnhy leaf stuck in the vent being grinded by the motor (if you know what i'm saying). But my ventilation system was off completely and the noise sounds like the engine revving through the air vents and sounds like a tractor inside yet outside everything sounds normal *-) On Saturday i started it and the car sounded perfect, no funny noises or anything so i never took it for a drive cause i assumed it was nothing. This morning i started the car and heard the same noise again, took it for a dri