Thanks, will do. And how do I determine if it is a pulley? I am not an expert opn these engines.. (THe sound is only a few seconds after a cold startup and dissapears after I touch the gas pedal..)
Edit: is this what you mean, epapp?
http://www.pelicanparts.com/techarticles/Boxster_Tech/17-ENGINE-Idler_Pullies/17-ENGINE-Idler_Pullies.htm