Roanoke VA Alternator Replacement Service

E & E Automotive is pleased to share the following information about the alternator replacment service offered by our auto repair shop in Roanoke.

Why You Might Need to Replace Your Alternator

The alternator is a vital component of your car's electrical system. It is responsible for converting mechanical energy from the engine into electricity that powers everything from the lights and radio to the engine control unit and ignition system.

Reasons for Replacement

Worn-Out Brushes
Over time, the brushes inside the alternator wear down, reducing their ability to make contact with the slip rings and generate electricity. This can lead to a variety of symptoms, such as:
- Dim headlights and interior lights
- Difficulty starting the engine
- Warning lights on the dashboard, such as the battery light
Faulty Diodes
The alternator uses diodes to convert AC electricity into DC electricity. If one or more of these diodes fails, the alternator will not be able to produce enough electricity to power your car's electrical systems. This can lead to the same symptoms as worn-out brushes.
Damaged Bearings
The alternator uses bearings to spin the rotor. If these bearings become worn or damaged, they can make a grinding or whining noise. In severe cases, the bearings can seize up and prevent the alternator from working at all.
Internal Voltage Regulator Failure
The voltage regulator controls the amount of electricity that the alternator produces. If the voltage regulator fails, the alternator can overcharge or undercharge the battery. This can damage the battery and other electrical components in your car.
Age
Like any other mechanical part, alternators have a lifespan. Generally, they last between 7 and 10 years or 100,000 to 150,000 miles. If your alternator is old and starting to show signs of wear and tear, it may be time to replace it before it fails completely.

Signs of a Failing Alternator

In addition to the symptoms listed above, there are a few other signs that may indicate your alternator needs replacement:

A burning smell coming from the engine bay
A slow crank when starting the engine
Electrical components that don't work properly

Conclusion

If you notice any of these signs, it's important to have your alternator checked by one of the ASE Certified technicians working at E & E Automotive in Roanoke. Our professionials can diagnose the problem and recommend the best course of action. Replacing your alternator can be a costly repair, but having a working alternator to keep your car running safely and reliably in and around the Montgomery County area is important. Call E & E Automotive today if you have any questions or need an alternator replacement.