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1998 Chevrolet S10 Question: Why won't my truck crank but makes a humming noise?

 

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Just here, 4.3L V6, Winnie, TX, December 25, 2013, 18:09
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I tried to crank my truck, it attempted to bust over but didn't. It made a loud click and now it just hums

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    G. T. Service Center (4188 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG December 25, 2013, 19:41
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    Are you saying the hum is happening while the engine is turning, or the engine is not turning and it just hums?

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    Just here, December 25, 2013, 19:43
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    The engine will not turn at all

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    ProfessorG, December 25, 2013, 19:51
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    That sounds like the starter is bad, or the engine is locked up. Can you distinguish if it is the starter humming, does it sound as if it might be turning without turning the engine, or could it be the starter is engaging the engine but straining to turn the engine but the engine won't turn. Also try to turn the engine by hand or manually.

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    Just here, December 25, 2013, 20:33
     Rookie

    The engine will turn, it's the starter humming. Thank you for your help, it was a loose wire on the starter

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    ProfessorG, December 25, 2013, 20:35
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    Ya Hoo; Good job, time for nite nite, as my grandson tells me. Good Luck.

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