I have a 2009 Maserati granturismo S, with 59000km. My crank pulley makes chirp noises once the engine warms up, only during idling. See these videos:
https://www.youtube.com/watch?v=DyY7f-juS-I
https://www.youtube.com/watch?v=fGRae2fWaug
I sprayed lithium grease on the inside of the...