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How do you fix car alternator?

Updated: 10/27/2022
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16y ago

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IF you have to ask this question, then the answer has to be, "You can't fix it.!" Modern alternators are precision electromechanical devices, which require specialized tools, test equipment, and knowledge in order to repair [actually, while opened up, it is best to do a total rebuild]. It would be much easier, and probably much less expensive, to simply trade in your old alternator on a remanufactured one. A word of caution, alternators are expensive, and you should be certain that it is defective BEFORE you replace or attempt to repair it. I cannot even begin to recall the number of people [including me] who replaced a suspected defective [but perfectly good] alternator only to find out that something else was the cause of the failure to charge problem. Go to a major chain auto parts store and have your charging system and battery tested [all done simultaneously] usually for FREE. Make sure the alternator is truly defective before replacing or attempting repair.

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Q: How do you fix car alternator?
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