Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If it never happened to you , at minimum you’ve already had that apprehension. So when you discover an alternator noise on Ford Mondeo 4, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to help you locate the origins of alternator sounds. In this article, you will first see the role and functions of the alternator in your Ford Mondeo 4 and then what the causes and solutions to alternator noise on Ford Mondeo 4 may be.alternator-noise-ford-mondeo-4

Role and alternator operation Ford Mondeo 4

Alternator role

Your alternator is an fundamental component of your Ford Mondeo 4. Indeed, its mission is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging the battery once the car is in motion, to provide power to the car in motion and to let you to always have a sufficient energy source to be able to restart the next time.

Alternator functioning

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The alternator functions on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine motor itself that will furnish the energy needed by the alternator to create the energy, via the accessory belt or alternator belt. When your Ford Mondeo 4 engine stops, the battery takes over to furnish the car with energy.

What are the different alternator noises or sounds on my Ford Mondeo 4 and what are the causes?

I find out a knocking noise coming from the alternator of my Ford Mondeo 4

One of the typical noises of a tired alternator on Ford Mondeo 4 is a knocking noise. This alternator sound on Ford Mondeo 4 will most of the time appear when your engine is idling, it can be connected to voltage drops that could affect the normal operation of electrical parts such as headlights for example. In most cases, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your car with the engine running and you must look for 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 Ford Mondeo 4 is tired and you should consider replacing the bearing if it is the only reason otherwise the whole part.

I discover a grinding noise coming from the alternator of my Ford Mondeo 4

If you are in the situation where the alternator of your Ford Mondeo 4 produces grinding sounds, in this circumstance you will have to check it more seriously. This symptom can testify as for the knocking sound of a tired bearing, however , in most cases, we generally realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this circumstance, we recommend that you read this article to find all the necessary information to solve an accessory belt noise on Ford Mondeo 4.

I discover a loud noise from the alternator of my Ford Mondeo 4

Listening a loud noise from the alternator of your Ford Mondeo 4 is quite regular, in fact, it emits 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 recommend that you look into this article to find other ways to solve problem of noises from front end on Ford Mondeo 4.