Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

knockin sound(vdeo)

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Old Jul 1, 2008 | 05:07 PM
  #1  
turboteg90's Avatar
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From: DALLAS
Default knockin sound(vdeo)

i just noticed this sound,its comin from the header are and almost seems to move around.it anly does it from 2k to 3k.
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Old Jul 1, 2008 | 05:11 PM
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Default Re: knockin sound(vdeo) (turboteg90)

Is there a loss of power? Almost sounds like a valve tapping something but i dont know why it would do it at a certain rpm. Are you sure its not the heat shield vibrating?
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Old Jul 1, 2008 | 05:13 PM
  #3  
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From: DALLAS
Default Re: knockin sound(vdeo) (z6hatchboy)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by z6hatchboy &raquo;</TD></TR><TR><TD CLASS="quote">Is there a loss of power? Almost sounds like a valve tapping something but i dont know why it would do it at a certain rpm. Are you sure its not the heat shield vibrating?</TD></TR></TABLE>
no,the car runs fine, i checked the shield but the screws are in place and firm.it sounds like something is lose but i don tknow
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Old Jul 1, 2008 | 06:16 PM
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From: DFW, tx, usa
Default Re: knockin sound(vdeo) (turboteg90)

sounds like a bad exhaust manifold gasket. if I were you I would remove the heat shield and with some rpm put your hand around the gasket and see if you can feel air coming out of gasket.
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Old Jul 3, 2008 | 02:34 PM
  #5  
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From: DALLAS
Default Re: knockin sound(vdeo) (gsrhatch2356)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by gsrhatch2356 &raquo;</TD></TR><TR><TD CLASS="quote">sounds like a bad exhaust manifold gasket. if I were you I would remove the heat shield and with some rpm put your hand around the gasket and see if you can feel air coming out of gasket.</TD></TR></TABLE>
i love you man..no homo..it was the gasket.
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Old Jul 3, 2008 | 06:22 PM
  #6  
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From: DFW, tx, usa
Default Re: knockin sound(vdeo) (turboteg90)

sweet, I am glad you found it. it was kind of hard to tell over those videos but I got a turbo setup and have blown out a few so I should know what they sound like.
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