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 , at minimum you’ve already had that fear. So when you hear an alternator noise on Peugeot 207, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this post to support you locate the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Peugeot 207 and then what the causes and solutions to alternator noise on Peugeot 207 may be.
Role and alternator operation Peugeot 207
Alternator role
Your alternator is an vital part of your Peugeot 207. In fact, its objective is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task 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 works on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while rotating generates electricity. It is the engine motor itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Peugeot 207 engine stops, the battery takes over to furnish the car with energy.
What are the several alternator noises or sounds on my Peugeot 207 and what are the causes?
I discover a knocking noise coming from the alternator of my Peugeot 207
One of the characteristic noises of a tired alternator on Peugeot 207 is a knocking noise. This alternator sound on Peugeot 207 will most of the time appear when your engine is idling, it can be connected to voltage drops that could disturb the normal operation of electrical parts such as headlights for example. In general, it is a of both bearings of the alternator that is faulty, to verify it, use a multimeter on the terminals of your car 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 207 is tired and you should consider swapping the bearing if it is the only cause otherwise the complete part.
I hear a grinding noise coming from the alternator of my Peugeot 207
If you are in the situation where the alternator of your Peugeot 207 produces grinding sounds, in this case you will have to look at it more seriously. This symptom can testify as for the knocking sound of a tired bearing, but in general, we often realize by looking more meticulously that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we suggest that you read this content to find all the necessary information to solve an accessory belt noise on Peugeot 207.
I hear a loud noise from the alternator of my Peugeot 207
Experiencing a loud noise from the alternator of your Peugeot 207 is quite typical, 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 suggest that you have a look this content to find other ways to solve problem of noises from front end on Peugeot 207.
