vibration sound at 35k rpm - Miata Forumz - Mazda Miata Chat Forums
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NC (2006+) NC Miata Discussion within. Production of the third-generation MX-5, code NC, began May 17, 2005, for delivery in August, for the 2006 model year.

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Old 04-13-2017, 04:09 PM   #1  
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Default vibration sound at 35k rpm

it seems to be coming from the right passenger side of engine. makes a vibrating sound I'm not sure what it is, subsides after 40k rpm for some reason
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Old 04-17-2017, 09:55 AM   #2  
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Open the hood and rev it by hand at the throttle butterfly and see where the noise is.
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Old 06-26-2017, 09:30 AM   #3  
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The right passenger side of the engine? Hmmm... I never tried carrying passengers there. Might be fun. :-)

If you don't have a mechanics stethoscope, an old trick is to use a long screwdriver. Place your ear on the end of the handle an place the other (sharp) end on various places on the engine while it's running. I shouldn't have to say to be careful of moving parts, but I will.

Good luck!
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