1999 Pontiac Firebird • 6 cylinder 2WD Automatic • 186,000 miles

How do u kno if a pulley goes out my engine motor sounds good but io hear a little squeaking noise it sounds like crankshaft but I checka pulley and u can hear like beads rolling around n there could it be the pulley is out its the p/s pulley that sounds like that no other pully sounds like dat
January 16, 2011.

Remove the serp belt and spin each accessory to locate where the noise is coming from.