Did you ever had this trouble trying to start your car in the morning and it doesn’t work ? If that didn’t happen to you, at least you’ve already had that fear. So when you listen to an alternator noise on Mercury Grand Marquis, 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 support you locate the origins of alternator sounds. In this article, you will first learn the role and operation of the alternator in your Mercury Grand Marquis and then what the causes and solutions to alternator noise on Mercury Grand Marquis may be.
Role and alternator operation Mercury Grand Marquis
Alternator role
Your alternator is an important part of your Mercury Grand Marquis. In fact, its task is to generate power to your entire electrical system: headlights, interior lighting, signalling, computer… It will have the task of recharging the battery once the car is in motion, to provide power to the car in motion and to allow you to always have a sufficient 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 creates electricity. It is the engine itself that will furnish the energy requested by the alternator to produce the energy, via the accessory belt or alternator belt. When your Mercury Grand Marquis engine stops, the battery takes over to furnish the car with energy.
What are the several alternator noises or sounds on my Mercury Grand Marquis and what are the causes?
I hear a knocking noise from the alternator of my Mercury Grand Marquis
One of the characteristic noises of a tired alternator on Mercury Grand Marquis is a knocking noise. This alternator sound on Mercury Grand Marquis will most of the time happen when your engine is idling, it can be associated with voltage drops that could affect the normal operation of electrical elements such as headlights for example. Most often, it is a of both bearings of the alternator that is defective, to verify it, use a multimeter on the terminals of your car with the engine running and you must get 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 Mercury Grand Marquis is tired and you should think about swapping the bearing if it is the only cause otherwise the complete part.
I listen to a grinding noise coming from the alternator of my Mercury Grand Marquis
If you are in the situation where the alternator of your Mercury Grand Marquis 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, however , in general, we generally realize by looking more closely that it is the accessory belt that is loosened or worn and is therefore the cause of it. In this case, we encourage that you consult this content to find all the necessary information to solve an accessory belt noise on Mercury Grand Marquis.
I listen to a loud noise from the alternator of my Mercury Grand Marquis
Listening a loud noise from the alternator of your Mercury Grand Marquis is quite typical, in fact, it produces an audible sound when creating 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 encourage that you read this content to find other ways to solve problem of noises from front end on Mercury Grand Marquis.
