Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If that didn’t happen to you, certainly you’ve already had that apprehension. So when you listen to an alternator noise on Alfa Romeo Mito, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to support you find the sources of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Alfa Romeo Mito and then what the causes and solutions to alternator noise on Alfa Romeo Mito may be.
Role and alternator operation Alfa Romeo Mito
Alternator role
Your alternator is an important part of your Alfa Romeo Mito. In fact, its mission is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task 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 sufficient 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 concept of copper coil wound around a magnet . This coil while spinning generates electricity. It is the engine itself that will give the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Alfa Romeo Mito engine stops, the battery takes over to give the vehicle with energy.
What are the different alternator noises or sounds on my Alfa Romeo Mito and what are the causes?
I discover a knocking noise caused by the alternator of my Alfa Romeo Mito
One of the characteristic noises of a tired alternator on Alfa Romeo Mito is a knocking noise. This alternator sound on Alfa Romeo Mito will most of the time appear when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical elements such as headlights for example. In general, 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 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 Alfa Romeo Mito is tired and you should think about changing the bearing if it is the only reason otherwise the whole part.
I listen to a grinding noise coming from the alternator of my Alfa Romeo Mito
If you are in the situation where the alternator of your Alfa Romeo Mito 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, however , usually, we generally see by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we advise that you read this document to find all the necessary information to solve an accessory belt noise on Alfa Romeo Mito.
I listen to a loud noise from the alternator of my Alfa Romeo Mito
Listening a loud noise from the alternator of your Alfa Romeo Mito is quite typical, 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 advise that you check out this document to find other ways to solve problem of noises from front end on Alfa Romeo Mito.
