Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2003 Dodge Caravan 3.3 flex whining sound › 2003 Dodge Caravan 3.3 flex whining sound January 30, 2012 at 11:00 am #438808 EricTheCarGuyKeymaster You could always remove the drive belt and start the engine to see if the noise is still there, at this time you could also rotate the pulley to see if you can ‘feel’ any issues there before you replace anything.