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2015 lots of random engine noise when at 220

So I have a 2015 and I have been getting this noise out of my vq after it gets warm around 220. http://www.youtube.com/watch?v=N2xURXkDc8U Then after it sat for about 45

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Old 07-13-2015, 11:53 AM   #1 (permalink)
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Default 2015 lots of random engine noise when at 220

So I have a 2015 and I have been getting this noise out of my vq after it gets warm around 220.

http://www.youtube.com/watch?v=N2xURXkDc8U


Then after it sat for about 45 minutes it went back to this


http://www.youtube.com/watch?v=2Sf4JEzyYMo. Anyone know what that is?

Last edited by mpqholygrail; 07-13-2015 at 12:09 PM.
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Old 07-13-2015, 11:55 AM   #2 (permalink)
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post no workie
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Old 07-13-2015, 12:07 PM   #3 (permalink)
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Ok how about now
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Old 07-13-2015, 05:13 PM   #4 (permalink)
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i think its pretty normal for the vq37 as mine does it also when running at those temps, oil level is fine and everything and doesnt seem to hurt it so never thought anything of it
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Old 07-14-2015, 04:00 AM   #5 (permalink)
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sounds normal. I think it's the valvetrain noise that you're referring to.
The noise varies depending on the oil you use.
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Old 07-14-2015, 06:56 AM   #6 (permalink)
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Its normal its the VVL makes that noise. Switch to Redline synthetic 5W/30 the noise will go down a little or use the Nissan Ester oil

BTW our Z is not one of the nicest engine sound out there in a sports car. Learn to live it. :-)

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Old 07-14-2015, 07:26 AM   #7 (permalink)
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Lol ok just making sure thanks guys!
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Old 07-14-2015, 09:13 PM   #8 (permalink)
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Quote:
Originally Posted by mpqholygrail View Post
So I have a 2015 and I have been getting this noise out of my vq after it gets warm around 220.

http://www.youtube.com/watch?v=N2xURXkDc8U


Then after it sat for about 45 minutes it went back to this


http://www.youtube.com/watch?v=2Sf4JEzyYMo. Anyone know what that is?
Just curious, are you using Nissans recommended engine oil, the Nissan "Super Oil" with Ester or something else? The Nissan oil is specifically formulated to reduce noise and friction in the valve train.
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Old 07-14-2015, 09:29 PM   #9 (permalink)
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Nissan has a "Super Oil"?

Or

Your referring to Nissan Ester oil?

image.jpg
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Old 07-14-2015, 11:58 PM   #10 (permalink)
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sounds 100% normal.

The VQ has a very distinct sound.
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Old 07-16-2015, 06:37 AM   #11 (permalink)
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Quote:
Originally Posted by Zoren 370 View Post
Nissan has a "Super Oil"?

Or

Your referring to Nissan Ester oil?

Attachment 105541
The attached oil is the recommended formulation for all VQ engines with the Hitachi VVEL valvetrain.
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Old 07-16-2015, 06:57 AM   #12 (permalink)
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I found that an oil with a high moly content definitely helped to reduce the valvetrain noise at 'higher' oil temps such as after a hard run
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