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How do you replace an alternator on 2008 dodge Avenger? My car is making a whining noise and this may be the problem.
wheel bearing
Low fluid level.
Unplug it.
The differintial is starting to wear...
check your wheel bearing
Most likely the humming noise is coming from a contactor located in the outdoor unit if you hear the noise outside or from the air handler or furnance located inside the home,if the hum is inside the home
possibly your running RCAs on the same side as your power cable
its probably your radiator
Check the bearings.
Check the wheel bearing.
the humming noise is coming from a bad ground on you stereo