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, certainly you’ve already had that fear. So when you find out an alternator noise on Mercedes Actros, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to help you locate the sources of alternator sounds. In this article, you will first discover the role and functions of the alternator in your Mercedes Actros and then what the causes and solutions to alternator noise on Mercedes Actros may be.alternator-noise-mercedes-actros

Role and alternator operation Mercedes Actros

Alternator role

Your alternator is an vital part of your Mercedes Actros. Indeed, its goal is to give power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the mission of charging 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 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 principle of copper coil wound around a magnet . This coil while spinning produces electricity. It is the engine itself that will furnish the energy needed by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercedes Actros engine stops, the battery takes over to furnish the automobile with energy.

What are the distinctive alternator noises or sounds on my Mercedes Actros and what are the causes?

I perceive a knocking noise caused by the alternator of my Mercedes Actros

One of the typical noises of a tired alternator on Mercedes Actros is a knocking noise. This alternator sound on Mercedes Actros will generally show up when your engine is idling, it can be associated with voltage drops that could disturb the normal operation of electrical parts such as headlights for example. Often, 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 get 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 Mercedes Actros is tired and you should consider changing the bearing if it is the only cause otherwise the complete part.

I find out a grinding noise coming from the alternator of my Mercedes Actros

If you are in the situation where the alternator of your Mercedes Actros produces grinding sounds, in this case you will have to check it more seriously. This indicator can testify as for the knocking sound of a tired bearing, but in general, we generally notice 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 consult this content to find all the necessary information to solve an accessory belt noise on Mercedes Actros.

I find out a loud noise from the alternator of my Mercedes Actros

Experiencing a loud noise from the alternator of your Mercedes Actros is quite typical, in fact, it produces an audible sound when producing 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 suggest that you read this content to find other ways to solve problem of noises from front end on Mercedes Actros.