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weird knocking noise

Discussion in 'Civic and del Sol - EG and EK' started by delsolproject112, Jun 20, 2010.

  1. delsolproject112

    delsolproject112 New Member

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    i have a d16z6 and im getting a knocking noise from my alternator its only when you rev the engine to about 1500-2000 and when driving when the cars idling it doesnt make the sound and if you hold the alternator and pull it stops making the sound. what could be causing this?
     
  2. 8secHonda

    8secHonda New Member

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    my guess is ur alt.bearing maybe going out.
     
  3. delsolproject112

    delsolproject112 New Member

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    anyway to check? thanks for the input
     
  4. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    take the alternator belt off
    go through that idle and rev range
    see if the problem goes away
    replace the alternator
     
  5. 78civic

    78civic Junior Member

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    OR your lower bolt could have loosened and backed out/off. and just the top bolt holding it on..
    Is your batt light on?
    Is it too hot to touch? (the alt that is)

    E
     
  6. cj_89

    cj_89 New Member

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    i have a similar problem,sounds like a weird squeeking on mine.It is constant at idle and is fairly loud.
     
  7. 8secHonda

    8secHonda New Member

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    sounds like your bearing has went out in your altenator. usually will have a idle irritating noise like that but quiet down when above idle...
     
  8. cj_89

    cj_89 New Member

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    im driving this months like it and it hasn't give me any trouble yet.Just annoying when your at idle with people walking by.Sound like 2 birds f**king lol
     
  9. delsolproject112

    delsolproject112 New Member

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    my battery light isnt on and it not too hot ill check my bottem bolt
     
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