What Does an Alternator Do?

What does an alternator do? It is important for Durham area drivers to know that alternators are a critical part of their vehicles. Alternators are responsible for sending power to your vehicle’s electrical system when the engine is running. While a car’s battery gets the car started, the alternator acts as a generator, utilizing the engine’s energy to keep the car moving. So, how much is an alternator? Read on to learn the cost of an alternator and more from the service team at Hendrick Chevrolet Southpoint.

Common Alternator Problems

What does an alternator do? Alternators keep your vehicle running. Be sure to monitor their performance and look out for the following warning signs:

  • Battery warning light appearing on the dashboard
  • Dim headlights or interior lights
  • Burning rubber smell under the hood
  • Devices not charging when plugged into vehicle power outlets
  • Whining or screeching sound after the vehicle has started
  • Inability of the vehicle to start

Failing Alternator vs. Failing Battery

A failing alternator is sometimes confused with a bad battery. Since both of these parts are responsible for different aspects of engine power, it is important to know the difference. One way to determine whether your battery or alternator is in need of repair is to jump-start the engine, and then remove the jumper cables. If your car dies immediately, that is an indication that the alternator needs to be fixed.

What Is the Cost of an Alternator?

How much is an alternator? The cost of an alternator replacement can vary depending on your particular model. Our dealership prides itself on offering Chapel Hill area drivers competitive pricing on service to ease the cost of repairs and keep your vehicle humming.

Turn to Hendrick Chevrolet Southpoint for a New Alternator

Keep your vehicle humming with a new alternator installed with care by the service team at Hendrick Chevrolet Southpoint. We’re known across the Cary and Raleigh areas for cost-efficient repairs you can trust. Before scheduling an appointment, take a moment to browse our service specials and coupons to view current service savings opportunities.

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Hendrick Vehicle Disclaimer:

$799.00 Dealer Administrative Fee included in advertised price. All prices exclude all taxes, tag, title, registration fees and government fees. Out of state buyers are responsible for all taxes and government fees and title/registration fees in the state where the vehicle will be registered.

All prices include all manufacturer to dealer incentives, which the dealer retains unless otherwise specifically provided. Dealer not responsible for errors and omissions; all offers subject to change without notice; please confirm listings with dealer.

All vehicles may not be physically located at this dealership but may be available for delivery through this location. Transportation charges may apply. Please contact the dealership for more specific information. All vehicles are subject to prior sale.
Additional Disclaimers:

Well-qualified customers who purchase a new, used, or certified pre-owned vehicle, 4 model years or newer with less than 60K miles between June 2, 2026 and July 31, 2026, and finance through a participating dealer and lender have the option to defer monthly payments for 90 days from contract date. Excludes Hendrick Performance vehicles. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other preferred lender financing offers. 75 months maximum term limit. Equal monthly payments only. Not available to Pennsylvania residents; see your dealer for details. Must take retail delivery by July 31, 2026. See dealer for complete down payment and interest rate options and details. Financing available to qualified buyers. Some exclusions apply. See dealer for complete details. 

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. Example stock #T86001. See dealer for details. Take retail delivery by 7/7/26. **Finance charges accrue from date of financing. Deferred monthly payments for 90 days. 0% APR for 60 months. Monthly payment is $16.67 for every $1,000 you finance. Example down payment: 10.6%. Must finance with GM Financial. Down payment required at signing, if applicable. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 7/7/26.

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. Example stock #T86001. See dealer for details. Take retail delivery by 7/7/26. **Finance charges accrue from date of financing. Deferred monthly payments for 90 days. 0% APR for 60 months. Monthly payment is $16.67 for every $1,000 you finance. Example down payment: 10.6%. Must finance with GM Financial. Down payment required at signing, if applicable. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 7/7/26.

*Well-qualified customers who purchase a new, used, or certified pre-owned vehicle, 4 model years or newer with less than 60K miles between June 2, 2026 and July 31, 2026, and finance through a participating dealer and lender have the option to defer monthly payments for 90 days from contract date. Excludes Hendrick Performance vehicles. Finance charges begin to accrue on the date you sign the Retail Installment Sale Contract at the Annual Percentage Rate (APR) disclosed in the contract. May not be combined with other preferred lender financing offers. 75 months maximum term limit. Equal monthly payments only. Not available to Pennsylvania residents; see your dealer for details. Must take retail delivery by July 31, 2026. See dealer for complete down payment and interest rate options and details. Financing available to qualified buyers. Some exclusions apply. See dealer for complete details.

*Offer includes all dealer discounts and OEM incentives. Offer does not include tax, tag, title, fees, and other dealer installed options. Discount varies by model and stock number. Example stock #DT09945. See dealer for details. Take retail delivery by 7/07/26. **Finance charges accrue from date of financing. Deferred monthly payments for 90 days. ***0% APR for 60 months. Monthly payment is $16.67 for every $1,000 you finance. Example down payment: 10.6%. Must finance with GM Financial. Down payment required at signing, if applicable. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 7/7/26.

*Finance charges accrue from date of financing. Deferred monthly payments for 90 days. **0% APR for 60 months. Monthly payment is $16.67 for every $1,000 you finance. Example down payment: 17.1%. Must finance with GM Financial. Down payment required at signing, if applicable. Some customers may not qualify. Not available with lease and some other offers. Take new retail delivery by 7/7/26.

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Hendrick Chevrolet Southpoint 35.89802, -78.94355.