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 fear. So when you find out an alternator noise on Cadillac XTS, you can already see yourself breaking down, stuck waiting for the tow truck. That’s why our team has decided to write this post to support you find the sources of alternator sounds. In this article, you will first learn the role and functions of the alternator in your Cadillac XTS and then what the causes and solutions to alternator noise on Cadillac XTS may be.
Role and alternator operation Cadillac XTS
Alternator role
Your alternator is an vital component of your Cadillac XTS. Indeed, its mission 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 vehicle is in motion, to provide power to the vehicle in motion and to let you to always have a sufficient 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 itself that will provide the energy needed by the alternator to generate the energy, via the accessory belt or alternator belt. When your Cadillac XTS engine stops, the battery takes over to provide the vehicle with energy.
What are the several alternator noises or sounds on my Cadillac XTS and what are the causes?
I discover a knocking noise from the alternator of my Cadillac XTS
One of the characteristic noises of a tired alternator on Cadillac XTS is a knocking noise. This alternator sound on Cadillac XTS will most of the time appear when your engine is idling, it can be linked to voltage drops that could affect the normal operation of electrical elements such as headlights for example. In most 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 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 Cadillac XTS is tired and you should consider swapping the bearing if it is the only cause otherwise the complete part.
I find out a grinding noise coming from the alternator of my Cadillac XTS
If you are in the case where the alternator of your Cadillac XTS produces grinding sounds, in this case you will have to check it more seriously. This sign can testify as for the knocking sound of a tired bearing, but 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 suggest that you consult this article to find all the necessary information to solve an accessory belt noise on Cadillac XTS.
I find out a loud noise from the alternator of my Cadillac XTS
Experiencing a loud noise from the alternator of your Cadillac XTS is quite typical, in fact, it produces 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 suggest that you go to this article to find other ways to solve problem of noises from front end on Cadillac XTS.
