Need help on unidentifiable noise from vent - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

impopo · 12-18-2021, 07:27 PM

I unloaded the video to youtube and i hope you guys can tell whats causing the noise? I turned on and off the AC and it has no effect on the noise. Thanks guys

Fingat · 12-18-2021, 07:53 PM

Its hard to hear in the vid. Is it a high pitched oscillating noise?

impopo · 12-18-2021, 08:06 PM

i would say so.. i have about 600 miles so far

impopo · 12-18-2021, 08:20 PM

What do you think whats causing the noise?? Thanks

sds · 12-18-2021, 08:43 PM

Might be a bad bearing on your blower...

soundman98 · 12-19-2021, 12:04 PM

sounds like it'd be better diagnosed by a dealer under warranty

Fingat · 12-20-2021, 10:40 PM

I think its just how the blower sounds.

emce · 12-21-2021, 07:40 AM

I'm finding in general these cars just have a lot of mechanical sounds... my HVAC blower sounds like this, or can even develop a bit of a "whoop-whoop-whoop" sound depending on what system it's running.

The engine has ticking and even a bit of a squealing noise (from the injectors and/or fuel pump) at idle, the transmission has a solid "clunk" when you put it in first or second, the boxer has it's own special noises... I'm someone that's hyper aware of all these sounds as well, but I think it's just part of the car and something to get use to

PhatFreshPrince · 12-21-2021, 06:50 PM

Quote:

Originally Posted by emce

I'm finding in general these cars just have a lot of mechanical sounds... my HVAC blower sounds like this, or can even develop a bit of a "whoop-whoop-whoop" sound depending on what system it's running.

The engine has ticking and even a bit of a squealing noise (from the injectors and/or fuel pump) at idle, the transmission has a solid "clunk" when you put it in first or second, the boxer has it's own special noises... I'm someone that's hyper aware of all these sounds as well, but I think it's just part of the car and something to get use to

Now, I finally know why they added the speaker for the fake engine noise... to drown out all the other noises.

HyperSCSI · 12-21-2021, 08:39 PM

I have this noise too. I think it has something to do with the idle engine speed, because once you rev the engine a bit, noise goes away. If you also shut the car off, the noise seems to get slower as the engine is shutting down until engine off and noise is gone

mazeroni · 12-21-2021, 11:49 PM

It sounds like crickets 2.0. But more like a bird.

Think it could be the fuel pump? If you open the door and put you head under the car, or even under the hood, can you hear any sound with the same sort of oscillation?

Since it doesn't change with AC use, I'd wager a dealer will chock it up to normal operation and just the vent design unfortunately picking up a random noise and funneling it into the cabin.

Pete · 12-22-2021, 11:53 AM

Quote:

Originally Posted by mazeroni

It sounds like crickets 2.0. But more like a bird.

This was my first thought as well. I get the same noise from my car when the ac and fans are all off. I can only hear it at idle, sometimes. I'd bet it's the HPFP doing it's thing.

I'm not planning a dealer trip over it, but by all means if someone does I'd be interested to hear what they say.

shoreline86 · 12-23-2021, 12:01 AM

I have a high pitched noise too that I only noticed after disabling the fake engine noise. I’m guessing that it’s the blower like other people said in this thread. It only goes away if I turn the fan off, it’s still there even if the A/C is on or off.

12-18-2021, 07:27 PM	#1
impopo Junior Member Join Date: Dec 2021 Drives: 2022 brz wrb Location: UT Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Need help on unidentifiable noise from vent I unloaded the video to youtube and i hope you guys can tell whats causing the noise? I turned on and off the AC and it has no effect on the noise. Thanks guys

12-19-2021, 12:04 PM	#6
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,673 Times in 6,781 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	sounds like it'd be better diagnosed by a dealer under warranty __________________ "The time you enjoy wasting is not wasted time"

12-21-2021, 07:40 AM	#8
emce Member Join Date: Sep 2021 Drives: 22 BRZ Limited Location: Colorado Posts: 41 Thanks: 4 Thanked 22 Times in 10 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	I'm finding in general these cars just have a lot of mechanical sounds... my HVAC blower sounds like this, or can even develop a bit of a "whoop-whoop-whoop" sound depending on what system it's running. The engine has ticking and even a bit of a squealing noise (from the injectors and/or fuel pump) at idle, the transmission has a solid "clunk" when you put it in first or second, the boxer has it's own special noises... I'm someone that's hyper aware of all these sounds as well, but I think it's just part of the car and something to get use to Last edited by emce; 12-21-2021 at 07:59 AM.

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12-18-2021, 07:53 PM	#2
Fingat Member Join Date: Sep 2021 Drives: 22 BRZ (WRB) Location: CLT NC Posts: 80 Thanks: 1 Thanked 64 Times in 30 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Its hard to hear in the vid. Is it a high pitched oscillating noise?

12-18-2021, 08:06 PM	#3
impopo Junior Member Join Date: Dec 2021 Drives: 2022 brz wrb Location: UT Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	i would say so.. i have about 600 miles so far

12-18-2021, 08:20 PM	#4
impopo Junior Member Join Date: Dec 2021 Drives: 2022 brz wrb Location: UT Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	What do you think whats causing the noise?? Thanks

12-18-2021, 08:43 PM	#5
sds Member Join Date: Jan 2013 Drives: '22 BRZ Limited 6MT Location: MA Posts: 81 Thanks: 8 Thanked 60 Times in 36 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Might be a bad bearing on your blower...

12-20-2021, 10:40 PM	#7
Fingat Member Join Date: Sep 2021 Drives: 22 BRZ (WRB) Location: CLT NC Posts: 80 Thanks: 1 Thanked 64 Times in 30 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I think its just how the blower sounds.

12-21-2021, 08:39 PM	#10
HyperSCSI Junior Member Join Date: Dec 2021 Drives: 2022 BRZ Location: NC Posts: 3 Thanks: 0 Thanked 0 Times in 0 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I have this noise too. I think it has something to do with the idle engine speed, because once you rev the engine a bit, noise goes away. If you also shut the car off, the noise seems to get slower as the engine is shutting down until engine off and noise is gone

12-21-2021, 11:49 PM	#11
mazeroni Senior Member Join Date: Aug 2015 Drives: 2013 Scion FR-S Series 10 Location: Nashville, TN Posts: 1,116 Thanks: 600 Thanked 1,017 Times in 512 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	It sounds like crickets 2.0. But more like a bird. Think it could be the fuel pump? If you open the door and put you head under the car, or even under the hood, can you hear any sound with the same sort of oscillation? Since it doesn't change with AC use, I'd wager a dealer will chock it up to normal operation and just the vent design unfortunately picking up a random noise and funneling it into the cabin.

12-23-2021, 12:01 AM	#13
shoreline86 Member Join Date: Aug 2021 Drives: '22 BRZ 6MT MGM Location: Atlanta Posts: 48 Thanks: 1 Thanked 21 Times in 15 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	I have a high pitched noise too that I only noticed after disabling the fake engine noise. I’m guessing that it’s the blower like other people said in this thread. It only goes away if I turn the fan off, it’s still there even if the A/C is on or off.

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