Can a Car Alternator Be Repaired?

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Car alternators cannot be repaired when they fail; they must be replaced with new ones. The alternator is a crucial component in a vehicle, responsible for supplying power to all electrical devices after the engine starts, as well as charging the battery. If the alternator malfunctions, the engine cannot operate normally. The engine's ignition system, fuel supply system, and even the engine control unit (ECU) and sensors all require electricity to function. When the alternator is damaged, the system switches to using the battery's power. Once the battery is depleted, the engine will stall, leaving the vehicle stranded. Therefore, if the alternator shows signs of damage, it is essential to replace it immediately with a new one.