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The alternator should only have to be replaced if it has either failed to provide sufficient current to keep the battery charged and the car's electrical system supplied, or it has suffered mechanical damage like a worn bearing or damaged casing. Replacement for age alone is not necessary.

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16y ago
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11y ago

Mine through a code saying it wasnt getting proper voltage.

A week later and me ignoring code, the Jeep started surging as I was going down the highway, I lost my ac, my radio turned off and slowly the needles started to drop.

I was lucky enough and the thing cut off on me just as I drifted into an Autozone. I changed it in the parking lot.

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14y ago

Your car hesitates to turn on or it turns off on you while driving.

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Q: When do you know is time to replace the alternator?
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