Who hasn’t found himself in the situation where his car doesn’t start one morning on the way to work? If it never happened to you , certainly you’ve already had that apprehension. So when you notice an alternator noise on Peugeot 407, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to support you locate the sources of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Peugeot 407 and then what the causes and solutions to alternator noise on Peugeot 407 may be.
Role and alternator operation Peugeot 407
Alternator role
Your alternator is an vital part of your Peugeot 407. In fact, its goal is to give 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 let you to always have a enough energy source 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 makes electricity. It is the engine motor itself that will give the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Peugeot 407 engine stops, the battery takes over to give the vehicle with energy.
What are the several alternator noises or sounds on my Peugeot 407 and what are the causes?
I perceive a knocking noise originating from the alternator of my Peugeot 407
One of the typical noises of a tired alternator on Peugeot 407 is a knocking noise. This alternator sound on Peugeot 407 will generally occur when your engine is idling, it can be linked to voltage drops that could disturb the normal operation of electrical components such as headlights for example. Often, it is a of both bearings of the alternator that is malfunctioning, 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 recharging your battery well. If the value is lower, the alternator of your Peugeot 407 is tired and you should consider swapping the bearing if it is the only reason otherwise the complete part.
I notice a grinding noise coming from the alternator of my Peugeot 407
If you are in the case where the alternator of your Peugeot 407 produces 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 usually, we generally realize 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 consult this content to find all the necessary details to solve an accessory belt noise on Peugeot 407.
I notice a loud noise from the alternator of my Peugeot 407
Finding out a loud noise from the alternator of your Peugeot 407 is quite typical, in fact, it emits an audible sound when producing 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 have a look this content to find other ways to solve problem of noises from front end on Peugeot 407.
