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 , perhaps you’ve already had that fear. So when you find out an alternator noise on Fiat Grande Punto, 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 help you find the sources of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Fiat Grande Punto and then what the causes and solutions to alternator noise on Fiat Grande Punto may be.
Role and alternator operation Fiat Grande Punto
Alternator role
Your alternator is an important component of your Fiat Grande Punto. In fact, its mission is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging 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 reserve 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 spinning generates electricity. It is the engine itself that will give the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Fiat Grande Punto engine stops, the battery takes over to give the car with energy.
What are the several alternator noises or sounds on my Fiat Grande Punto and what are the causes?
I notice a knocking noise originating from the alternator of my Fiat Grande Punto
One of the characteristic noises of a tired alternator on Fiat Grande Punto is a knocking noise. This alternator sound on Fiat Grande Punto will most of the time show up when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical components such as headlights for example. Most often, it is a of both bearings of the alternator that is malfunctioning, to verify it, use a multimeter on the terminals of your car 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 Fiat Grande Punto is tired and you should think about replacing the bearing if it is the only reason otherwise the complete part.
I find out a grinding noise coming from the alternator of my Fiat Grande Punto
If you are in the situation where the alternator of your Fiat Grande Punto 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 most cases, we often realize by looking more meticulously 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 consult this document to find all the necessary details to solve an accessory belt noise on Fiat Grande Punto.
I find out a loud noise from the alternator of my Fiat Grande Punto
Listening a loud noise from the alternator of your Fiat Grande Punto is quite regular, in fact, it produces 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 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 check out this document to find other ways to solve problem of noises from front end on Fiat Grande Punto.
