woosh sound at 3000 rpm - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Tanto · 06-18-2019, 11:55 PM

Hey all,

I own a 2013 BRZ which I've had since new. Lately I have noticed a (pardon the poor description) a momentary Whoosh sound at approx 3000 RPM. This occurs in all gears and is quite loud when the engine is cold and diminishes as the engine warms up. I cant imagine that I would not have heard this in the past.

This sounds deliberate. Does anything in particular happen at 3000 RPM ?

Could this be an Exhaust thing ? or Transmission ?

Sound does not occur in neutral only when in gear and moving.

By momentary I mean about 1 sec in duration.

Recently had an oil change I don't know if the sound was there before that.

O.K. Thats All the facts I have.

All opinions welcome
Thanks

DarkPira7e · 06-18-2019, 11:56 PM

Is it at full throttle, or regardless? What transmission do you have? What modifications do you have done, if anything?

SmoothIsSlow · 06-19-2019, 12:01 AM

Could be the sound tube, which channels intake noise into the passenger side footwell. To me, it does sound like swoosh sound (i like it a lot haha)

Tanto · 06-19-2019, 10:19 PM

Thanks for your quick replies,

1) The sound occurs at 3000 rpm when accelerating normally.
2) This is a 6 speed Standard Transmission.
3) The car is stock with No modifications.

Tonrogs · 06-19-2019, 10:30 PM

Would it be possible to record this sound and post a video?

Tanto · 10-17-2019, 04:02 PM

Thought I'd get back to all with the solution to this issue.
As this was more a nuisance than anything else I finally got around to actually taking this to my local mechanic for a look see. After about a 30 second ride with me in the car my mechanic announced " I know what that is"

Directly above the exhaust pipe about midway down the car there is a heat shield. This shield is just millimeters above the pipe. In my case the shield had broken / rotted or otherwise come loose. During acceleration and at a specific resonance. the broken shield would temporarily vibrate causing the Wooshe sound. Once the vehicle heated up and all the metals expanded. the sound dissipated.

The final solution was a $3.00 hose clamp placed around the pipe and shield. My Mechanic didn't even charge me for the effort.

All is now well

Thanks for all your comments

Tanto

DarkPira7e · 10-17-2019, 04:08 PM

Glad you got it figured out! Sometimes the easiest thing to do with a car is just enjoy the nuances. If you let every little thing get to you, you may forget to enjoy the other 98% of the car

Good rule of thumb is that if there's any weird sound that happens during acceleration only start with the exhaust

06-18-2019, 11:55 PM	#1
Tanto Junior Member Join Date: Dec 2015 Drives: BRZ, Sport Tech, World Rally Blue Location: Ajax, Ontario Posts: 3 Thanks: 0 Thanked 4 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	woosh sound at 3000 rpm Hey all, I own a 2013 BRZ which I've had since new. Lately I have noticed a (pardon the poor description) a momentary Whoosh sound at approx 3000 RPM. This occurs in all gears and is quite loud when the engine is cold and diminishes as the engine warms up. I cant imagine that I would not have heard this in the past. This sounds deliberate. Does anything in particular happen at 3000 RPM ? Could this be an Exhaust thing ? or Transmission ? Sound does not occur in neutral only when in gear and moving. By momentary I mean about 1 sec in duration. Recently had an oil change I don't know if the sound was there before that. O.K. Thats All the facts I have. All opinions welcome Thanks

10-17-2019, 04:02 PM	#6
Tanto Junior Member Join Date: Dec 2015 Drives: BRZ, Sport Tech, World Rally Blue Location: Ajax, Ontario Posts: 3 Thanks: 0 Thanked 4 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Solved Thought I'd get back to all with the solution to this issue. As this was more a nuisance than anything else I finally got around to actually taking this to my local mechanic for a look see. After about a 30 second ride with me in the car my mechanic announced " I know what that is" Directly above the exhaust pipe about midway down the car there is a heat shield. This shield is just millimeters above the pipe. In my case the shield had broken / rotted or otherwise come loose. During acceleration and at a specific resonance. the broken shield would temporarily vibrate causing the Wooshe sound. Once the vehicle heated up and all the metals expanded. the sound dissipated. The final solution was a $3.00 hose clamp placed around the pipe and shield. My Mechanic didn't even charge me for the effort. All is now well Thanks for all your comments Tanto

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06-18-2019, 11:56 PM	#2
DarkPira7e Rust bucket enthusiast Join Date: Feb 2017 Drives: 2013 Turbo Firestorm FRS Location: Vermont Posts: 4,024 Thanks: 3,289 Thanked 4,177 Times in 2,098 Posts Mentioned: 33 Post(s) Tagged: 0 Thread(s)	Is it at full throttle, or regardless? What transmission do you have? What modifications do you have done, if anything?

06-19-2019, 12:01 AM	#3
SmoothIsSlow Member Join Date: May 2019 Drives: BRZ Location: WA Posts: 58 Thanks: 32 Thanked 14 Times in 12 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	Could be the sound tube, which channels intake noise into the passenger side footwell. To me, it does sound like swoosh sound (i like it a lot haha)

06-19-2019, 10:19 PM	#4
Tanto Junior Member Join Date: Dec 2015 Drives: BRZ, Sport Tech, World Rally Blue Location: Ajax, Ontario Posts: 3 Thanks: 0 Thanked 4 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Thanks for your quick replies, 1) The sound occurs at 3000 rpm when accelerating normally. 2) This is a 6 speed Standard Transmission. 3) The car is stock with No modifications.

06-19-2019, 10:30 PM	#5
Tonrogs Senior Member Join Date: Apr 2018 Drives: 2014 BRZ Limited, Satin White Pearl Location: WI, 53593 Posts: 106 Thanks: 10 Thanked 40 Times in 30 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Would it be possible to record this sound and post a video?

10-17-2019, 04:08 PM	#7
DarkPira7e Rust bucket enthusiast Join Date: Feb 2017 Drives: 2013 Turbo Firestorm FRS Location: Vermont Posts: 4,024 Thanks: 3,289 Thanked 4,177 Times in 2,098 Posts Mentioned: 33 Post(s) Tagged: 0 Thread(s)	Glad you got it figured out! Sometimes the easiest thing to do with a car is just enjoy the nuances. If you let every little thing get to you, you may forget to enjoy the other 98% of the car Good rule of thumb is that if there's any weird sound that happens during acceleration only start with the exhaust

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