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 , at minimum you’ve already had that fear. So when you find out an alternator noise on Volkswagen Tiguan, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to produce this post to support you find the origins of alternator sounds. In this article, you will first see the role and operation of the alternator in your Volkswagen Tiguan and then what the causes and solutions to alternator noise on Volkswagen Tiguan may be.
Role and alternator operation Volkswagen Tiguan
Alternator role
Your alternator is an fundamental part of your Volkswagen Tiguan. In fact, its mission 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 allow you to always have a sufficient energy source to be able to restart the next time.
Alternator functioning
>
The alternator functions on an electrical principle that has been used for decades, the principle of copper coil wound around a magnet . This coil while spinning makes electricity. It is the engine itself that will furnish the energy required by the alternator to create the energy, via the accessory belt or alternator belt. When your Volkswagen Tiguan engine stops, the battery takes over to furnish the vehicle with energy.
What are the distinctive alternator noises or sounds on my Volkswagen Tiguan and what are the causes?
I perceive a knocking noise originating from the alternator of my Volkswagen Tiguan
One of the typical noises of a tired alternator on Volkswagen Tiguan is a knocking noise. This alternator sound on Volkswagen Tiguan will generally appear when your engine is idling, it can be linked to voltage drops that could disrupt the normal operation of electrical elements such as headlights for example. Most often, 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 look for 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 Tiguan is tired and you should consider changing the bearing if it is the only reason otherwise the entire part.
I find out a grinding noise coming from the alternator of my Volkswagen Tiguan
If you are in the situation where the alternator of your Volkswagen Tiguan generates grinding sounds, in this case you will have to look at it more seriously. This sign can testify as for the knocking sound of a tired bearing, but usually, we often realise 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 advise that you consult this document to find all the necessary details to solve an accessory belt noise on Volkswagen Tiguan.
I find out a loud noise from the alternator of my Volkswagen Tiguan
Hearing a loud noise from the alternator of your Volkswagen Tiguan 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 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 advise that you have a look this document to find other ways to solve problem of noises from front end on Volkswagen Tiguan.
