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Has this noise been identified?

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Old 06-06-2009, 07:54 PM
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DrJones
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Has this noise been identified?

Not my youtube post BUT I have this noise everytime I drive the car and I dont drive hard at all. Has it been identified? All my oil changes have been done at Infiniti. At first I thought it might be the TSB: Noise From Bank 2 Vvel Actuator but I'm not entirely sure. The sound is at idle after driving the car.

Any thoughts?


Embedding isn't working right...

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

Last edited by DrJones; 06-06-2009 at 08:05 PM.
Old 06-06-2009, 08:32 PM
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Mid-Life Crisis
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I can't see a thing on this video. Are we only supposed to listen?

It sounds low on oil.
Old 06-06-2009, 09:05 PM
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12fear
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The noise is from the vvel system on b2 I believe. You should take it to the dealership and have them update the ecm.
also they should change your oil and add ester oil in your engine.
Old 06-06-2009, 09:45 PM
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Rapture37
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whoa that sounds loud. I had the ticking noise.. had the reflash and ester oil.. hasn't come back! It would be embarrassing stopping at a light with a new nice car and it would tick like that. i couldnt stand it!
Old 06-06-2009, 10:34 PM
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Staples
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Yep sounds exactly like the VVEL actuator. I had the same problem with mine when I drove it for long periods of time. Took it to the dealership to get the ECU updated and the free ester oil change and haven't had an issue since.
Old 06-06-2009, 11:15 PM
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Michelangelo
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Wow, that's quite an obnoxious sound. My G37 has about 2500 miles on it now and I haven't heard that yet (knock on wood).

Thanks for posting the link, DrJones--I knew about the TSB but hadn't yet heard the noise. Now I know what to listen for.
Old 06-07-2009, 09:29 AM
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DrJones
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Guys... I appreciate the feedback. I am definitely going to schedule an appt ASAP.
Old 06-07-2009, 04:18 PM
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DrJones
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Did a little spirited driving today and all I can say is "WOW" because this knocking sound is horrific. I'm def calling an appt tomorrow. Let's see what they say..
Old 06-07-2009, 04:21 PM
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TomG37
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Sounds bad....

Did you make sure the car is not low on oil? Are you 6MT, the noise could be your throw out bearing? Defn go to the dealer though.
Old 06-07-2009, 04:26 PM
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DrJones
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Originally Posted by TomG37
Sounds bad....

Did you make sure the car is not low on oil? Are you 6MT, the noise could be your throw out bearing? Defn go to the dealer though.

Tom... I probably should check the oil and see. Give me an idea of how long I should wait before checking. I just parked it about 10 minutes ago.... Also I originally posted the ticky ticky sound when you disengage the clutch... so she is definitely going in for an operation
Old 06-07-2009, 09:53 PM
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DrJones
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Checked the oil. Was dead on the "H" on the dipstick. And judging by the color. Its still clean. Last change was February.

Old 06-09-2009, 05:03 PM
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t-bone1924
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That sound is the VVEL noise as per the TSB, no doubt at all.

I don't know why some people call that a "ticking" noise, more like a "chucka chucka chucka" noise.

The TSB reprogramming together with ester oil stopped it. My last oil change I switched to Mobil 1 and no noise so far.
Old 06-09-2009, 07:41 PM
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DrJones
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Took the car in today for this issue. Infiniti knows very well about this issue. Definitely was the VVEL noise and they used ESTER OIL which stopped it.

Old 06-09-2009, 10:49 PM
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Mike S.
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So the question is....what is fixing the problem..the oil? or the ecm reprogram?

Also, does anyone have a loud vvl noise when the car starts up cold? I do...at it gradually goes away over 15 seconds or so. Whats interesting is that if I tap the gas just a bit and rev it up say 500 rpm (to maybe 1800rpm) the noise goes away..even cold...but as the idle settles right back down..it comes back.

Again..this noise is gone in 15 seconds or so and only happens on cold starts.
Old 06-09-2009, 10:53 PM
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WhiteG37S
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I think they just say you need to oil so they can get you for 150$ oil changes.


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