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 , perhaps you’ve already had that apprehension. So when you find out an alternator noise on Volkswagen Scirocco, you can already see yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to support you locate the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Volkswagen Scirocco and then what the causes and solutions to alternator noise on Volkswagen Scirocco may be.alternator-noise-volkswagen-scirocco

Role and alternator operation Volkswagen Scirocco

Alternator role

Your alternator is an fundamental component of your Volkswagen Scirocco. Indeed, its goal is to provide power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the automobile is in motion, to provide power to the automobile in motion and to allow you to always have a enough 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 concept of copper coil wound around a magnet . This coil while spinning generates electricity. It is the engine motor itself that will furnish the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Volkswagen Scirocco engine stops, the battery takes over to furnish the automobile with energy.

What are the different alternator noises or sounds on my Volkswagen Scirocco and what are the causes?

I discover a knocking noise coming from the alternator of my Volkswagen Scirocco

One of the characteristic noises of a tired alternator on Volkswagen Scirocco is a knocking noise. This alternator sound on Volkswagen Scirocco will generally happen when your engine is idling, it can be associated with voltage drops that could disrupt the normal operation of electrical parts such as headlights for example. In most cases, it is a of both bearings of the alternator that is malfunctioning, to check it, use a multimeter on the terminals of your automobile with the engine running and you must obtain 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 Volkswagen Scirocco is tired and you should consider changing the bearing if it is the only cause otherwise the whole part.

I find out a grinding noise coming from the alternator of my Volkswagen Scirocco

If you are in the case where the alternator of your Volkswagen Scirocco causes grinding sounds, in this circumstance you will have to check it more seriously. This indicator can testify as for the knocking sound of a tired bearing, however , generally, we generally notice by looking more closely that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this circumstance, we encourage that you look for advice this article to find all the necessary information to solve an accessory belt noise on Volkswagen Scirocco.

I find out a loud noise from the alternator of my Volkswagen Scirocco

Listening a loud noise from the alternator of your Volkswagen Scirocco 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 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 look into this article to find other ways to solve problem of noises from front end on Volkswagen Scirocco.