Anyone have one fail? I have a strange noise when the car is cold that sounds like a belt slipping or a frozen pulley. When the car is up to operating temp, it's quiet as can be. Tonight I replaced my belt with a new gatorback in hopes that it was a glazed belt but when I spun the tensioner pulley, it sounded like an old school roller skate. Can I buy just the pulley or do I have to get the whole assembly in case it is not the belt? :shrug: