The alternator is the component that, with the batery, provide electrical power to your car, using part of the engine mechanical power and transforming it on electricity of high power.
How it Works
When you use electrical components in your car (stereo, lights, etc.), plus voltage sent to the spark plugs to generate combustion with fuel, the battery loses power. The alternator recharges the battery, replenishing the lost power; but, If the alternator is not working properly, your car will only stay running for as long as the battery has power stored. Once the battery loses all it's remaining power, your car will not start, and possibly sensors and main computer on your car could get harmed.
Why it fails
The alternator can fail because it has moving parts which tend to get dirty, or because of Stress from extreme heat or cold. But one of the most common reasons for an alternator going bad is bearing failure. Alternator bearing failure is often characterized by a loud grinding noise, once you start hearing this noise, it is only a matter of time before your alternator fails.
Sometimes you know when the alternator is failing because the radio begins to cut out, the dash lights start to dim, the headlights stop shining brightly, and the engine may die.
Most car dashboards will show an indicator light when your car alternator is having problems. If you start to notice an issue, make sure to bring the vehicle in so we can inspect it for you.
We start with a visual inspection of your alternator and starter.
Next step is a thorough diagnostic using state-of-the-art equipment to measure the voltage created by your starter, alternator, and battery.
Finally we inform you the results and if it is necessary an alternator and starter repair or replacement services, including associated costs