Q:

How much should it cost to replace an alternator?

A:

It costs about $400 to $639 to replace an alternator as of 2014, depending on the make and model of the car. This amount includes the cost of parts, which is about $279 to $485 excluding taxes and fees, and the cost of labor, which is about $121 to $154.

It is cheaper to buy a rebuilt or remanufactured alternator than a new one. Rebuilt and remanufactured alternators are used alternators that have been restored to functionality by replacing parts that are worn out or prone to failure. It is also typically cheaper to have an alternator repaired than to have it replaced, especially if a repair kit for that particular alternator is available. Repair kits cost about $12 to $30.

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Related Questions

  • Q:

    How do you know if your car needs a new alternator?

    A:

    Some of the most common signs of a car needing a new alternator include dim lights on the dashboard or the car's exterior, as well as an illuminated alternator light on the dashboard. Other common symptoms and signs of alternator troubles include a dead or weak battery along with noticeable sounds, such as a whining noise, coming from underneath the hood.

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  • Q:

    What do you do if your car squeals after replacing the alternator?

    A:

    If a car makes a squealing noise after the alternator has been replaced, it often needs the serpentine belt or belt tensioner replaced. Continuing to drive the car without repairing the problem often causes early failure of the replacement alternator due to a perpetually undercharged battery. Drivers should have a technician check both parts and replace what is necessary to correct the squeal.

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  • Q:

    How does an car alternator work?

    A:

    A car alternator is an aluminum piece of equipment attached to a car engine's crankshaft by a drive belt. When the crankshaft begins turning after the engine is ignited, it rotates the drive belt, which forces the alternator to rotate in response. The movement of the alternator generates magnetic power that is transferred to the car's battery to power lights, windows, locks, air conditioning, the dashboard and the radio.

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  • Q:

    How much does it cost to replace a head gasket?

    A:

    While prices vary by location as well as the make and model of the vehicle, the 2014 national average cost to replace a head gasket is between $1,139 and $1,462, according to Repair Pal. Parts for the repair are relatively inexpensive at $55 to $93; however, the job involves a great deal of labor.

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