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, at least you’ve already had that fear. So when you discover an alternator noise on Peugeot Expert, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this article to support you find the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Peugeot Expert and then what the causes and solutions to alternator noise on Peugeot Expert may be.
Role and alternator operation Peugeot Expert
Alternator role
Your alternator is an essential part of your Peugeot Expert. Indeed, its goal 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 vehicle is in motion, to provide power to the vehicle 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 works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine itself that will provide the energy requested by the alternator to generate the energy, via the accessory belt or alternator belt. When your Peugeot Expert engine stops, the battery takes over to provide the vehicle with energy.
What are the distinctive alternator noises or sounds on my Peugeot Expert and what are the causes?
I hear a knocking noise caused by the alternator of my Peugeot Expert
One of the characteristic noises of a tired alternator on Peugeot Expert is a knocking noise. This alternator sound on Peugeot Expert will most of the time happen when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. In many cases, it is a of both bearings of the alternator that is defective, to examine it, use a multimeter on the terminals of your vehicle with the engine running and you must obtain 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 Peugeot Expert is tired and you should think about replacing the bearing if it is the only cause otherwise the entire part.
I discover a grinding noise coming from the alternator of my Peugeot Expert
If you are in the situation where the alternator of your Peugeot Expert generates grinding sounds, in this case you will have to look at it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but generally, we often see by looking more carefully 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 consult this article to find all the necessary details to solve an accessory belt noise on Peugeot Expert.
I discover a loud noise from the alternator of my Peugeot Expert
Finding out a loud noise from the alternator of your Peugeot Expert is quite regular, in fact, it produces an audible sound when producing the electrical pulses it generates. It is up to you to examine 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 have a look this article to find other ways to solve problem of noises from front end on Peugeot Expert.
