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What Is an “Alternator?”

POR: adam karner
A close up image of a car's alternator.

As a car owner, you may take your vehicle for granted when you get up every morning. After all, you just have to go outside and, with a simple push of a button or turn of a key, get anywhere you need in minutes. But for most, while you know how to start your car, many components you may not know about keep them running, like your alternador

As a vital part of any vehicle, knowing more about how your car’s alternador works and whether or not your car’s warranty covers it can help you stay one step ahead of unexpected and costly repairs.

What Is an Alternator?

An alternador is an electrical generator mounted on your car’s engine to convert mechanical energy to electrical energy. This alternating current is generated by the alternador pulley being rotated by the serpentine belt, which is driven by the crankshaft pulley

As to locating your car’s alternador, most are usually found on the front of the engine, in line with your engine accessories. This allows your alternador to create the correct amount of electricity to keep your car battery charged and the electrical system running when the car is running, based on the specific engine speed or RPMs. However, you can simply check your el manual del propietario to learn precisely where your car’s alternator is.

What Are the Signs of a Bad Alternator?

El alternador on any car is considered a “wear & tear” item, meaning it will need to be replaced over time. Specifically, the rotor and brushes can become worn due to use and exposure to elements, so you will most likely need to replace an alternador on an older car as time goes on.

However, while all alternators need to be replaced at some time, some can start to show signs sooner than others based on how quickly it wears. This makes recognizing the signs of a bad alternator important to help you save time and money by narrowing down your vehicle’s charging or starting issues. And without the proper knowledge, you can easily spend money replacing your battery or starter when your alternador was the actual problem.

Here are a few signs of a bad alternator you can look for:

  • Batería Light Illuminates on Dashboard
  • Dim/Flickering Headlights (Or Other Electronics)
  • Dead Battery
  • Strange Noises Coming from the Alternator
  • Burning Smell Coming from the Alternator
  • Electrical Accessories Have Slowed Down
  • Difficulty Starting
  • Car Stalls When Driving

Having your alternador replaced is a quick and easy job for most mechanics, though the part itself can be costly. For example, in a front-wheel drive vehicle, the alternador is mounted on either the engine’s right side or the lower section, like a honda Civic. With that, you can expect to pay between $560 and $903 for an alternador replacement, according to the experts at RepairPal. However, the bulk of this cost is the new alternator itself, as the labor costs will only cost you around $144 to $181.

On V8 engines or rear-wheel drive vehicles, the alternador is usually easier to get to as it is mounted on the front of the engine. Still, the costs can be similar, like for the Chevrolet Silverado 1500, where you can expect to pay between $110 and $139 for labor while the alternador will be between $485 and $638, totaling anywhere from $595 and $777.

Will My Warranty Cover My Car’s Alternator?

If you’ve recently purchased a brand new car, you’ll most likely have an active factory or manufacturer’s warranty, which will typically include coverage for your alternator. However, this won’t be a part of your factory coverage’s powertrain warranty, as the alternador is a component of your car’s electrical system. Instead, you will most likely find this coverage as a part of the “new vehicle” limited warranty that comes with the car. But, while both types are helpful, factory warranties do not last forever, so you will need to get additional coverage once your factory warranty expires to protect your alternador

For most automakers, you can look to purchase an “extended car warranty” to quite literally extend your coverage with them. However, you may only be able to purchase this extension when your original coverage is still active. If you wait too long or purchase a used vehicle past its factory warranty cutoff, you’ll be left without that extra peace of mind. Luckily, purchasing a contrato de servicio de vehiculo from third-party providers like us at Endurance can be just what you need.

While not coming from your automaker, vehicle service contracts (or VSCs for short) can give you factory-warranty-like coverage that includes protection for your alternador while also often coming with extra perks. For example, like your car’s factory warranty, a vehicle service contract from Endurance can protect your car’s alternador. But, unlike your factory coverage, which may keep you from only getting repairs done at the dealership, you can go to any local certified auto repair comercio Certificado ASE mechanic. You’ll even be able to find other perks when using a third-party provider. These can include 24/7 roadside assistance, towing, trip interruption coverage, and rental car reimbursements—all of which come for free with every Endurance plan.

How Endurance Can Keep You Covered

As a car owner, you don’t always have to know every part of your vehicle. Still, the more you know, like what your car’s alternador does and signs that it may need repairs, the more you can save on future vehicle repairs by identifying potential problems. You can also give yourself even more peace of mind when it comes to not paying hundreds or thousands on repair bills with an Endurance plan de protección automática.

Whether you have basic powertrain coverage or comprehensive coverage for almost every part of your vehicle, an Endurance auto protection plan will help protect your vehicle’s most vital components, like the engine and transmisión. You’ll even get extra perks like 24/7 roadside assistance and towing, rental car coverage and more. And unlike most factory warranties, with an Endurance plan, you can take your vehicle to any certified auto repair shop or your dealership for repairs, meaning wherever you are, if you experience a breakdown, Endurance can help. 

And as a bonus, as an Endurance customer, you will also have access to the Endurance Mobile app to find everything from your contract information to roadside assistance right in the palm of your hand. You’ll even be able to unlock a full year’s worth of Beneficios de élite, including up to two tire repairs/replacements, key fob replacements, and much more. Just purchase the Endurance protection plan that fits your needs and budget, pay a small, $29 activation fee and enjoy your year’s worth of extra perks and savings.

Request a free, no-obligation quote or give a member of our award-winning customer care team a call directly at (800) 253-8203 to learn more about how Endurance can help you. And don’t forget that you can find more answers to your automotive FAQs, expert auto tips, vehicle comparisons, buying guides, and more by visiting the Endurance blog.

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