In another post there was discussion about the inlet tube and what the holes are for. Well I replied after taking my intake apart to check the Axial end float in the Supercharger because I don't think they bother to do this at the dealer, to hard or beyond ability, I don't know.
Look at the photo, see the line on the housing where the vane tips run, that's caused by tip eddies polishing the housing. Imagine if dust got in there or the Supercharger was starving for air through a blocked filter. Somebody at the factory put a felt pen mark on one of the blades, see how it's been worn off at the leading edge.
In this machine filtration of the incoming air is so important. Just like the ISS, hitting a fleck of paint, the tip speed is so high a speck of dirt is dangerous, choose your air filter wisely.
Also, check the Axial play in your Supercharger often.