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Mystery Sound-2015 Base GT-R


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#1 tblincoe

tblincoe

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Posted 27 June 2020 - 05:48 PM

Clues
1) This sound only occurs between 16-24 mph
2) it is not gear specific it occurs in gears 1-4 and N
3) If the brake is applied lightly (without slowing the car) sound stops. Lift off the brake and as long as the car is within 16-24 mph range it resumes
4) It goes away immediately and does not return, at least to 1XX mph
5) it is pretty loud within and outside the car
6) Nissan GT-R cert mechanic adjusted the clutch, and replaced the LR wheel bearing. No difference. Apparently they can replicate the sound on the road but not on the lift. I can replicate the sound 90%+ of the time by staying in the mph range above.
7) I have owned the car since Feb. Unknown mod history
8) Recording attached.

Thanks for helping a newbie.

Tom

#2 tblincoe

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Posted 27 June 2020 - 05:50 PM

2nd attempt to attach recording.

Attached Files


Edited by tblincoe, 27 June 2020 - 08:47 PM.


#3 Saurav90

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Posted 30 June 2020 - 06:20 AM

your tires 100% check to see if u have any cupping wear. the car probably been tracked and Im assuming your running Michelin 


Edited by Saurav90, 30 June 2020 - 06:23 AM.

8NRnGw.jpg


#4 tblincoe

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Posted 01 July 2020 - 06:42 PM

Actually they are Pirelli P Zeros. But I suspect you are correct and am getting ready to make a change. I will post an update once that happens.

Thanks for the reply.


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