High pitched whine/squeal. - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

JavieBruh · 12-31-2021, 03:31 AM

Ive been hearing this high pitch whine/squeal coming from my engine bay for the last few weeks. I at first assumed it was a belt/pulley, so I changed the belt, and checked all the pulleys and they are good. Still can't figure out where or what its coming from. Seems to only happen on cold starts, but once warmed up, seemingly goes away. Anyone have any ideas?

https://imgur.com/a/cLONwG0

blsfrs · 12-31-2021, 10:34 AM

Does it change when you push the clutch pedal in?

Spairo · 12-31-2021, 11:46 AM

With these car's history, BLFRS asked the best question, push in the clutch and see of the noise changes. Beyond that, does the noise change if you turn the steering wheel while you are sitting still? Does the noise change if you turn on the AC or if you turn on a lot of electrical x especially 4 ways, fans and headlights?

You can also go to your local tool store and get a stethoscope fairly inexpensively so that you can start listening to the bearings in individual components.

Sent from my SM-G950U using Tapatalk

soundman98 · 12-31-2021, 11:56 AM

and importantly, is it coming from the front or rear of the motor?

also, it looks like your video is in the garage-- take the car outside to diagnose(as much as it sucks in the cold). the garage walls are going to make the exhaust resonate and be noisier, which makes it harder to pinpoint issues like this.

Ultramaroon · 12-31-2021, 04:33 PM

That's TOB for sure.

JavieBruh · 12-31-2021, 07:36 PM

Quote:

Originally Posted by blsfrs

Does it change when you push the clutch pedal in?

Yeah it does actually after doing some more investigation!

JavieBruh · 12-31-2021, 07:37 PM

Quote:

Originally Posted by Spairo

With these car's history, BLFRS asked the best question, push in the clutch and see of the noise changes. Beyond that, does the noise change if you turn the steering wheel while you are sitting still? Does the noise change if you turn on the AC or if you turn on a lot of electrical x especially 4 ways, fans and headlights?

You can also go to your local tool store and get a stethoscope fairly inexpensively so that you can start listening to the bearings in individual components.

Sent from my SM-G950U using Tapatalk

When the clutch is being pushed, it stops. When I have my de-froster on, there is a weird noise being made that seems to come from inside the car.

JavieBruh · 12-31-2021, 07:38 PM

Quote:

Originally Posted by soundman98

and importantly, is it coming from the front or rear of the motor?

also, it looks like your video is in the garage-- take the car outside to diagnose(as much as it sucks in the cold). the garage walls are going to make the exhaust resonate and be noisier, which makes it harder to pinpoint issues like this.

It sounds like it is coming from the rear of the motor. The video actually was taken outside lol

JavieBruh · 12-31-2021, 07:39 PM

Quote:

Originally Posted by Ultramaroon

That's TOB for sure.

That was my initial thought after it still made the noise after the belt change, and pulley inspection.

soundman98 · 12-31-2021, 10:06 PM

Quote:

Originally Posted by JavieBruh

It sounds like it is coming from the rear of the motor. The video actually was taken outside lol

sorry, looked like at least 2 walls around the car

Spairo · 12-31-2021, 10:23 PM

Quote:

Originally Posted by JavieBruh

When the clutch is being pushed, it stops. When I have my de-froster on, there is a weird noise being made that seems to come from inside the car.

Sounds like you have finally met the bad clutch throw out bearing.

Sent from my SM-G950U using Tapatalk

Ronthebiker14 · 01-09-2022, 03:38 AM

Since when does a bad throwout stop making noise when you depress the clutch? A throwout bearing is going bad when its making noise with the clutch pressed in. I can confirm this because my car was doing the opposite and it was the throwout bearing. And every other forum says this.

Ultramaroon · 01-09-2022, 04:20 AM

Quote:

Originally Posted by Ronthebiker14

Since when does a bad throwout stop making noise when you depress the clutch? A throwout bearing is going bad when its making noise with the clutch pressed in. I can confirm this because my car was doing the opposite and it was the throwout bearing. And every other forum says this.

While your experience is valid, it's not universal. In OP's case, the bearing is dry, partially seized (sticky). It hangs and screeches against the fingers until there's enough pressure to force it to rotate. Common.

Ronthebiker14 · 01-09-2022, 04:23 AM

Quote:

Originally Posted by Ultramaroon

While your experience is valid, it's not universal. In OP's case, the bearing is dry, partially seized (sticky). It hangs and screeches against the fingers until there's enough pressure to force it to rotate. Common.

That is a possibility but if the bearing was seizing then why would the noise go away when a load is applied to the bearing (pushing in the clutch)? If anything it should make more noise with the clutch pushed in.

12-31-2021, 03:31 AM	#1
JavieBruh Junior Member Join Date: Jun 2020 Drives: 2015 Subaru BRZ Premium Location: Modesto, CA Posts: 9 Thanks: 0 Thanked 1 Time in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	High pitched whine/squeal. Ive been hearing this high pitch whine/squeal coming from my engine bay for the last few weeks. I at first assumed it was a belt/pulley, so I changed the belt, and checked all the pulleys and they are good. Still can't figure out where or what its coming from. Seems to only happen on cold starts, but once warmed up, seemingly goes away. Anyone have any ideas? https://imgur.com/a/cLONwG0

12-31-2021, 11:56 AM	#4
soundman98 ProCrastinationConsultant Join Date: Sep 2013 Drives: '14 Ranger, '18 Tacoma 4Dr LB Location: chicago-ish Posts: 11,330 Thanks: 35,240 Thanked 13,675 Times in 6,782 Posts Mentioned: 98 Post(s) Tagged: 0 Thread(s)	and importantly, is it coming from the front or rear of the motor? also, it looks like your video is in the garage-- take the car outside to diagnose(as much as it sucks in the cold). the garage walls are going to make the exhaust resonate and be noisier, which makes it harder to pinpoint issues like this. __________________ "The time you enjoy wasting is not wasted time"

12-31-2021, 04:33 PM	#5
Ultramaroon not playing cards Join Date: Sep 2014 Drives: a 13 e8h frs Location: vantucky, wa Posts: 32,395 Thanks: 53,053 Thanked 37,228 Times in 19,308 Posts Mentioned: 1117 Post(s) Tagged: 9 Thread(s)	That's TOB for sure. __________________ service manuals

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12-31-2021, 10:34 AM	#2
blsfrs Senior Member Join Date: Dec 2018 Drives: 2013 frs base Location: central Virginia Posts: 1,440 Thanks: 2,684 Thanked 1,442 Times in 685 Posts Mentioned: 13 Post(s) Tagged: 0 Thread(s)	Does it change when you push the clutch pedal in?

12-31-2021, 11:46 AM	#3
Spairo Member Join Date: Dec 2016 Drives: 2013 FR-S 6 spd in Halo Location: San Diego Posts: 91 Thanks: 10 Thanked 79 Times in 41 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	With these car's history, BLFRS asked the best question, push in the clutch and see of the noise changes. Beyond that, does the noise change if you turn the steering wheel while you are sitting still? Does the noise change if you turn on the AC or if you turn on a lot of electrical x especially 4 ways, fans and headlights? You can also go to your local tool store and get a stethoscope fairly inexpensively so that you can start listening to the bearings in individual components. Sent from my SM-G950U using Tapatalk

01-09-2022, 03:38 AM	#12
Ronthebiker14 Member Join Date: Apr 2019 Drives: 2013 Scion FR-S Location: SoCal Posts: 13 Thanks: 0 Thanked 2 Times in 1 Post Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Since when does a bad throwout stop making noise when you depress the clutch? A throwout bearing is going bad when its making noise with the clutch pressed in. I can confirm this because my car was doing the opposite and it was the throwout bearing. And every other forum says this.

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