Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , at minimum you’ve already had that fear. So when you hear an alternator noise on Mercury Milan, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you find the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Mercury Milan and then what the causes and solutions to alternator noise on Mercury Milan may be.alternator-noise-mercury-milan

Role and alternator operation Mercury Milan

Alternator role

Your alternator is an fundamental part of your Mercury Milan. In fact, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of recharging the battery once the vehicle is in motion, to provide power to the vehicle in motion and to allow you to always have a enough energy reserve to be able to restart the next time.

Alternator functioning

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The alternator works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine itself that will furnish the energy required by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercury Milan engine stops, the battery takes over to furnish the vehicle with energy.

What are the distinctive alternator noises or sounds on my Mercury Milan and what are the causes?

I find out a knocking noise originating from the alternator of my Mercury Milan

One of the typical noises of a tired alternator on Mercury Milan is a knocking noise. This alternator sound on Mercury Milan will most of the time happen when your engine is idling, it can be associated with voltage drops that could disrupt the normal operation of electrical components such as headlights for example. In many cases, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your vehicle with the engine running and you must get a value between 12 and 14.7 volts, which means that your alternator is recharging your battery well. If the value is lower, the alternator of your Mercury Milan is tired and you should think about swapping the bearing if it is the only cause otherwise the complete part.

I hear a grinding noise coming from the alternator of my Mercury Milan

If you are in the case where the alternator of your Mercury Milan produces grinding sounds, in this case you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but usually, we often realize by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we suggest that you read this document to find all the necessary information to solve an accessory belt noise on Mercury Milan.

I hear a loud noise from the alternator of my Mercury Milan

Hearing a loud noise from the alternator of your Mercury Milan is quite common, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to check that the battery indicator light on your dashboard does not appear, and that you do not have a voltage drop when your engine is running (headlight or dashboard light that jumps for example. If this noise is too loud, we suggest that you read this document to find other ways to solve problem of noises from front end on Mercury Milan.