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 apprehension. So when you listen to an alternator noise on Volvo V50, 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 help you locate the origins of alternator sounds. In this article, you will first discover the role and operation of the alternator in your Volvo V50 and then what the causes and solutions to alternator noise on Volvo V50 may be.alternator-noise-volvo-v50

Role and alternator operation Volvo V50

Alternator role

Your alternator is an vital part of your Volvo V50. In fact, its mission is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of recharging the battery once the car is in motion, to provide power to the car 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 operates on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while rotating creates electricity. It is the engine motor itself that will give the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Volvo V50 engine stops, the battery takes over to give the car with energy.

What are the different alternator noises or sounds on my Volvo V50 and what are the causes?

I discover a knocking noise from the alternator of my Volvo V50

One of the typical noises of a tired alternator on Volvo V50 is a knocking noise. This alternator sound on Volvo V50 will most of the time appear when your engine is idling, it can be connected to voltage drops that could disrupt 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 examine it, use a multimeter on the terminals of your car 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 Volvo V50 is tired and you should consider swapping the bearing if it is the only reason otherwise the entire part.

I listen to a grinding noise coming from the alternator of my Volvo V50

If you are in the case where the alternator of your Volvo V50 causes grinding sounds, in this case you will have to look into it more seriously. This indicator can testify as for the knocking sound of a tired bearing, however , usually, we often realise by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we encourage that you consult this content to find all the necessary information to solve an accessory belt noise on Volvo V50.

I listen to a loud noise from the alternator of my Volvo V50

Experiencing a loud noise from the alternator of your Volvo V50 is quite typical, in fact, it produces an audible sound when creating 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 encourage that you take a look at this content to find other ways to solve problem of noises from front end on Volvo V50.