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 , certainly you’ve already had that fear. So when you discover an alternator noise on Mercedes Benz Sprinter, you can already imagine yourself breaking down, stuck awaiting the tow truck. That’s why our team has decided to write this article to support you find the sources of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Mercedes Benz Sprinter and then what the causes and solutions to alternator noise on Mercedes Benz Sprinter may be.
Role and alternator operation Mercedes Benz Sprinter
Alternator role
Your alternator is an important component of your Mercedes Benz Sprinter. Indeed, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the goal of charging the battery once the car is in motion, to provide power to the car 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 operates on an electrical principle that has been used for decades, the concept of copper coil wound around a magnet . This coil while rotating makes electricity. It is the engine itself that will provide the energy requested by the alternator to create the energy, via the accessory belt or alternator belt. When your Mercedes Benz Sprinter engine stops, the battery takes over to provide the car with energy.
What are the several alternator noises or sounds on my Mercedes Benz Sprinter and what are the causes?
I discover a knocking noise originating from the alternator of my Mercedes Benz Sprinter
One of the characteristic noises of a tired alternator on Mercedes Benz Sprinter is a knocking noise. This alternator sound on Mercedes Benz Sprinter will most of the time occur 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. Most often, it is a of both bearings of the alternator that is faulty, to examine it, use a multimeter on the terminals of your car with the engine running and you must look for 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 Benz Sprinter is tired and you should think about swapping the bearing if it is the only cause otherwise the complete part.
I discover a grinding noise coming from the alternator of my Mercedes Benz Sprinter
If you are in the situation where the alternator of your Mercedes Benz Sprinter causes 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 generally notice by looking more carefully that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we advise that you consult this content to find all the necessary information to solve an accessory belt noise on Mercedes Benz Sprinter.
I discover a loud noise from the alternator of my Mercedes Benz Sprinter
Hearing a loud noise from the alternator of your Mercedes Benz Sprinter is quite typical, in fact, it produces an audible sound when producing 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 advise that you check out this content to find other ways to solve problem of noises from front end on Mercedes Benz Sprinter.
