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 fear. So when you find out an alternator noise on Peugeot 4008, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to produce this post to support you find the origins of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Peugeot 4008 and then what the causes and solutions to alternator noise on Peugeot 4008 may be.alternator-noise-peugeot-4008

Role and alternator operation Peugeot 4008

Alternator role

Your alternator is an vital component of your Peugeot 4008. In fact, its goal is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging 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 functions on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while spinning creates electricity. It is the engine itself that will give the energy needed by the alternator to create the energy, via the accessory belt or alternator belt. When your Peugeot 4008 engine stops, the battery takes over to give the vehicle with energy.

What are the several alternator noises or sounds on my Peugeot 4008 and what are the causes?

I hear a knocking noise caused by the alternator of my Peugeot 4008

One of the characteristic noises of a tired alternator on Peugeot 4008 is a knocking noise. This alternator sound on Peugeot 4008 will generally show up 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 check it, use a multimeter on the terminals of your vehicle 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 Peugeot 4008 is tired and you should think about swapping the bearing if it is the only reason otherwise the complete part.

I find out a grinding noise coming from the alternator of my Peugeot 4008

If you are in the situation where the alternator of your Peugeot 4008 produces grinding sounds, in this circumstance you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, but usually, we generally see 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 encourage that you read this document to find all the necessary information to solve an accessory belt noise on Peugeot 4008.

I find out a loud noise from the alternator of my Peugeot 4008

Listening a loud noise from the alternator of your Peugeot 4008 is quite normal, in fact, it emits an audible sound when creating 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 encourage that you read this document to find other ways to solve problem of noises from front end on Peugeot 4008.