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 notice an alternator noise on Volkswagen CC, you can already imagine yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this content to help you find the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Volkswagen CC and then what the causes and solutions to alternator noise on Volkswagen CC may be.
Role and alternator operation Volkswagen CC
Alternator role
Your alternator is an fundamental part of your Volkswagen CC. Indeed, its mission is to provide 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 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 generates 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 Volkswagen CC engine stops, the battery takes over to give the vehicle with energy.
What are the different alternator noises or sounds on my Volkswagen CC and what are the causes?
I hear a knocking noise originating from the alternator of my Volkswagen CC
One of the characteristic noises of a tired alternator on Volkswagen CC is a knocking noise. This alternator sound on Volkswagen CC will generally appear when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical elements such as headlights for example. In many cases, it is a of both bearings of the alternator that is malfunctioning, to verify it, use a multimeter on the terminals of your vehicle 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 Volkswagen CC is tired and you should consider replacing the bearing if it is the only reason otherwise the whole part.
I notice a grinding noise coming from the alternator of my Volkswagen CC
If you are in the situation where the alternator of your Volkswagen CC generates 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, however , generally, we often notice by looking more strongly that it is the accessory belt that is loosened or worn and is therefore the reason of it. In this case, we recommend that you read this content to find all the necessary details to solve an accessory belt noise on Volkswagen CC.
I notice a loud noise from the alternator of my Volkswagen CC
Finding out a loud noise from the alternator of your Volkswagen CC is quite normal, in fact, it emits an audible sound when producing the electrical pulses it generates. It is up to you to verify 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 recommend that you have a look this content to find other ways to solve problem of noises from front end on Volkswagen CC.
