i cant track down this squeek/chirp i have, it first i thought i was a idler pulley, i know its on the supercharger belt drive bc i took that belt off and all was quiet, i have since felt,spun and cleand all pulleys on that drive set up all of them are quiet by hand and spin freely one of them looked a little worn on the outside so i replaced it,it was quiet for a day or 2 and it came back. i replaced the belt with a tad smaller new one was silent again for a day or 2,now i started the car up again and it is back!!!! i cant figure it out and drives me nuts i dnt even want to drive the car!!! any ideas?