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, perhaps you’ve already had that fear. So when you notice an alternator noise on Peugeot 308, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this article to support you locate the origins of alternator sounds. In this article, you will first see the role and functions of the alternator in your Peugeot 308 and then what the causes and solutions to alternator noise on Peugeot 308 may be.
Role and alternator operation Peugeot 308
Alternator role
Your alternator is an fundamental part of your Peugeot 308. In fact, its goal 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 car is in motion, to provide power to the car in motion and to let 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 rotating makes electricity. It is the engine itself that will furnish the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Peugeot 308 engine stops, the battery takes over to furnish the car with energy.
What are the distinctive alternator noises or sounds on my Peugeot 308 and what are the causes?
I notice a knocking noise coming from the alternator of my Peugeot 308
One of the typical noises of a tired alternator on Peugeot 308 is a knocking noise. This alternator sound on Peugeot 308 will most of the time happen when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical elements such as headlights for example. In most cases, 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 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 Peugeot 308 is tired and you should consider swapping the bearing if it is the only cause otherwise the entire part.
I notice a grinding noise coming from the alternator of my Peugeot 308
If you are in the case where the alternator of your Peugeot 308 generates grinding sounds, in this case you will have to look into it more seriously. This sign can testify as for the knocking sound of a tired bearing, but in most cases, we generally 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 recommend that you look for advice this article to find all the necessary information to solve an accessory belt noise on Peugeot 308.
I notice a loud noise from the alternator of my Peugeot 308
Experiencing a loud noise from the alternator of your Peugeot 308 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 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 recommend that you go to this article to find other ways to solve problem of noises from front end on Peugeot 308.
