Alternator Repair & Service Available at Capitol Nissan in Salem, OR

August 15th, 2024

The dictionary definition of an alternator is a generator that produces an alternating current. More specifically, it's the main electrical generator for your car's electrical system. A car's battery is primarily used to start the engine, whereas the alternator is responsible for operating all the electrical currents that power the car's functionality. From the engine idle, to the power windows, the interior lights, audio, and more, the alternator plays a center-stage role. If you're experiencing issues that you believe are caused by a faulty alternator, give our expert technicians at Capitol Nissan in Salem, OR, a call or book an appointment online.

How Does an Alternator Work?

The alternator generates energy in a very specific way, which we will get to in just a moment, but it works alongside two other very important components. Both help to avoid overheating of the engine: a voltage regulator and a cooling fan. These are attached closely to the alternator, with some newer alternator models designed with internal cooling systems.

The alternator works by converting mechanical energy into electrical energy. With the engine on, it powers a drive belt that spins on a pulley attached to the alternator. The pulley turns the rotor shaft within the alternator, spinning a set of magnets within a coil. This generates the type of electric current known as alternating current (AC), which is then converted by the diode rectifier into direct current (DC). After passing through the voltage regulator to keep the amount steady, this energy can then be stored into your car's battery, and be used to operate the electronic components of your vehicle.

Warning Signs

A malfunctioning alternator means your car won't be operational in the near future. Rather than waiting for the day when it does not start up at all, it's best to learn how to recognize the signs of trouble before calamity hits. Many of these symptoms overlap with battery problems so if you're experiencing only one of the issues below, it is more likely related to a bad alternator. It's always a good idea to check with our technicians who are happy to help you locate what the issue is and get you back safely on the road.

• Dim or overly bright lights
• Chronic dead battery
• Slow or malfunctioning accessories
• Trouble starting or frequent stalling
• Growling or whining noises
• Smell of burning rubber or wires
• Lit up battery light on dashboard

When to Reach Out Regarding Your Alternator

Alternators can typically last for the lifetime of your vehicle, but there are obviously circumstances when that isn't the case. General wear and tear, heat damage, overuse, exposure to water, faulty parts, or frayed wires can cause enough damage to end your alternator's life prematurely. Be aware of the warning signs, and whenever there is a question or concern, don't hesitate to reach out to Capitol Nissan's Service Center, here in Salem, Oregon. Our team of certified experts will be happy to help you navigate the safety and wellbeing of your vehicle.