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 notice an alternator noise on Ford Fusion, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this article to help you locate the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Ford Fusion and then what the causes and solutions to alternator noise on Ford Fusion may be.alternator-noise-ford-fusion

Role and alternator operation Ford Fusion

Alternator role

Your alternator is an essential part of your Ford Fusion. In fact, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of charging the battery once the vehicle is in motion, to provide power to the vehicle in motion and to allow you to always have a sufficient energy source to be able to restart the next time.

Alternator functioning

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

What are the different alternator noises or sounds on my Ford Fusion and what are the causes?

I hear a knocking noise originating from the alternator of my Ford Fusion

One of the typical noises of a tired alternator on Ford Fusion is a knocking noise. This alternator sound on Ford Fusion will generally appear when your engine is idling, it can be associated with voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. Most often, it is a of both bearings of the alternator that is defective, to verify 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 charging your battery well. If the value is lower, the alternator of your Ford Fusion is tired and you should consider replacing the bearing if it is the only reason otherwise the whole part.

I notice a grinding noise coming from the alternator of my Ford Fusion

If you are in the situation where the alternator of your Ford Fusion generates grinding sounds, in this circumstance you will have to look at it more seriously. This warning sign can testify as for the knocking sound of a tired bearing, but in general, we generally realise by looking more closely that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we encourage that you read this article to find all the necessary information to solve an accessory belt noise on Ford Fusion.

I notice a loud noise from the alternator of my Ford Fusion

Hearing a loud noise from the alternator of your Ford Fusion is quite regular, in fact, it emits an audible sound when creating the electrical pulses it generates. It is up to you to verify that the battery indicator light on your dashboard does not show up, 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 encourage that you read this article to find other ways to solve problem of noises from front end on Ford Fusion.