Can a bad starter damage the alternator and battery?

8 Answers

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  • 4 weeks ago

    Alternator has regulator to keep the voltage not overshot. The answer is NO. Bad starter cannot damage an alternator and a battery.

  • M.
    Lv 7
    4 weeks ago

    Not the alternator. 

    I have seen bad starters drawing huge current.  If you persisted in trying to start the engine, you might be able to injure the battery.  It's an interesting question.

  • Erik
    Lv 7
    4 weeks ago

    Nah.  When a starter is bad, you will have a harder and harder time starting your car, and then it will just stop working.

  • Barry
    Lv 5
    4 weeks ago

    In spite of the gloomy answers it's very unlikely.

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  • 4 weeks ago

    No but a bad battery can ruin an alternator and burn out a starter.

  • Anonymous
    4 weeks ago

    Sure, starters can go bad and draw huge amps when trying to start, thus damaging the battery. The alternator is a stretch but you might argue the damaged battery then loaded the alternator excessively and caused it to fail prematurely.

  • 4 weeks ago

    They're all related, so it's possible. Guessing and throwing in new parts until the problem goes away is how some shops work.It makes more money for them than careful diagnosis.

  • 4 weeks ago

     in a chain-reaction it could possibly in theory......... the battery be so low you have to constantly get jump-starts.

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