Making a loud humming sound around the alternator area. It happens when idle or running. Not overheating and no warning lights are on.
Dodge Q&AAsk Your Question
2005 Dodge Caravan Question: Loud Humming Sound
Answer #1patrick mannion from Greg Solow's Engine Room, May 02, 2011, 20:48Master
It's hard to identify a noise without hearing it first hand. Check the water pump, listen to the alternator bearings with a mechanic's stethoscope and look at anything driven off the fan belt to see if the noise is external to the engine.