Loud Humming Sound on 2005 Dodge Caravan

Making a loud humming sound around the alternator area. It happens when idle or running. Not overheating and no warning lights are on.

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1 answer
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.