When do I need an alternator repair or replacement?
If you require alternator repair or replacement, compare costs across garages near you by receiving instant bespoke quotes on WhoCanFixMyCar. Is your battery not charging? Do your headlights dim when you press the accelerator? If the answer is yes, you probably have an Alternator Fault.
How long does an alternator last in a car?
On average, an alternator can last for 8-12 years without any repairs. If an alternator fails, the car may still run on battery power alone for a short time but will die as soon as the battery charge is depleted. Replacing an alternator with a new unit is quite expensive, though alternator prices will change depending on the vehicle.
What are the signs of an alternator problem?
Common signs of car alternator problems include the ‘charge’ or battery lights flashing on the dashboard, flickering or dimming headlights and interior lights and a growling or whining noise under the bonnet. What is the average alternator repair cost?
What’s the best way to test an alternator?
A simple way to test an alternator for problems is to do what’s known as the headlight test. Park your car with the headlights on or run it in neutral, then rev the engine. If the headlights dim you could well have an alternator problem. A better test is to take your car to a garage, where a car alternator can be tested using a multimeter tool.
How much does a new alternator cost?
On average, car alternator prices are going to range anywhere from $65 to $520, not including labor. For example, the alternator prices at AutoZone retail for as little as $105 to more than $700. Factoring in labor can add another $100 to $275, bringing the total to about $250 to $800.
What makes alternator go bad?
Causes of a Bad Alternator. One of the most common problems of a faulty alternator is a loosened belt. The diodes of the alternator can go bad, failing to transmit the required voltage. The bearings on which the alternator rotates can also be at fault and hinder the alternator from providing an optimal performance.
What are the signs of an alternator going bad?
One of the most common symptoms of a failing alternator is flickering, pulsating, or dimmed headlights. If your alternator is beginning to fail it won’t be able to power your headlights effectively.
What happens when the alternator is bad?
If your alternator is going bad, the vehicle will shut down after 20 to 30 minutes. The alternator, as it fails, will drain the battery, causing all electrical systems to power down.