Metal scraping sound at idle - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

brzzy · 11-21-2017, 12:12 PM

Anyone ever experience this sort of issue or can lead me in the right direction as to what I’m hearing? Sounds like a metal scraping sound.

Car is 2013 BRZ with 60,XXXKm on it. Stock clutch and components. Only bolt ons including intake, oil cooler, OCC, etc.

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brzzy · 11-21-2017, 12:13 PM

Video won’t upload, will upload shortly**

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ls1ac · 11-21-2017, 04:04 PM

If it is while you are moving slowly you notice the sound.
check your brake pads, there is a squeeeeler on some to let you know they are done.

brzzy · 11-21-2017, 04:08 PM

Quote:

Originally Posted by ls1ac

If it is while you are moving slowly you notice the sound.
check your brake pads, there is a squeeeeler on some to let you know they are done.

Nope. Just did my pads 2 months ago.

I took a video of the noise, tapatalk wont let upload for some reason.

But I hear it at idle while parked. And it even kind of whines on throttle. Hard to tell if modulating the clutch is changing anything because my exhaust is so loud. But I’m beginning to believe it’s the TOB.

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ls1ac · 11-21-2017, 04:23 PM

ok, clutch in vs clutch out will change TOB noise, bad idler pulley? stop and open the hood, front or back of engine?

Ultramaroon · 11-21-2017, 04:46 PM

rekt ☑ not rekt ☐

brzzy · 11-21-2017, 04:55 PM

Heres the video:

Car is parked, no one is modulating throttle its just cycling RPM.

Tcoat · 11-21-2017, 04:56 PM

TOB gets my vote.

humfrz · 11-21-2017, 10:31 PM

hmmm....... could be a bad TOB.

Could be a pulley going bad or the AC clutch.

I'd suggest check the pulleys by placing a rod next to the pulley and your ear at the other end to see if you can isolate the sound.

humfrz

Ultramaroon · 11-21-2017, 11:10 PM

It's an odd one for sure. I'm skeptical about the TOB but I've been wrong.

Test it by pulling the clutch fork forward by hand just a little while it's making the sound. Wear gloves for comfort in case it's hot but don't worry. It won't be any worse than McDonalds coffee.

Mr.ac · 11-22-2017, 12:57 AM

Another vote for the Throw out bearing.
Sounds like mine right before it died.

If you have a buddy with a video scoop you could peek in side and confirm. An old machinist buddy of mine just told me about that trick. Of course after the fact I told him about my throw out bearing ordeal.

BRZnut · 11-22-2017, 08:09 AM

Heat shield rattle?

Tcoat · 11-22-2017, 09:39 AM

Quote:

Originally Posted by Ultramaroon

It's an odd one for sure. I'm skeptical about the TOB but I've been wrong.

Test it by pulling the clutch fork forward by hand just a little while it's making the sound. Wear gloves for comfort in case it's hot but don't worry. It won't be any worse than McDonalds coffee.

Yep. Now that I hear it I am retracting my vote for TOB. I don't have a bloody clue what that one is. If forced to make a call I now change to heat shield.

brzzy · 11-22-2017, 10:21 AM

Quote:

Originally Posted by Tcoat

Yep. Now that I hear it I am retracting my vote for TOB. I don't have a bloody clue what that one is. If forced to make a call I now change to heat shield.

Hmm. I’m going to have a look at everyone’s suggestions after work. Thank you all for the help.

Hopefully it is just a head shield or even a pulley. Clutch Components + downtime just aren’t in the budget right now. However it sounds like a deli machine being sharpened going down the road. Which leads me to believe it has something to do with clutch components. It’s the only metal on metal thing I can think of that could possibly make a sound like that from that region of where I’m hearing it.

We shall see! Snow tires go on tomorrow so I may have the mechanic just take a quick peek.

Thank god Black Friday is this week. Lol

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11-21-2017, 12:12 PM	#1
brzzy @anthonysestito Join Date: Oct 2015 Drives: 2013 Sterling Silver Metallic BRZ Location: Vaughan Posts: 391 Thanks: 117 Thanked 111 Times in 86 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Metal scraping sound at idle Anyone ever experience this sort of issue or can lead me in the right direction as to what I’m hearing? Sounds like a metal scraping sound. Car is 2013 BRZ with 60,XXXKm on it. Stock clutch and components. Only bolt ons including intake, oil cooler, OCC, etc. Sent from my iPhone using Tapatalk __________________ 2013 BRZ LIMITED STERLING SILVER METALLIC IG: @ANTHONYSESTITO

11-21-2017, 12:13 PM	#2
brzzy @anthonysestito Join Date: Oct 2015 Drives: 2013 Sterling Silver Metallic BRZ Location: Vaughan Posts: 391 Thanks: 117 Thanked 111 Times in 86 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Metal scraping sound at idle Video won’t upload, will upload shortly Sent from my iPhone using Tapatalk __________________ 2013 BRZ LIMITED STERLING SILVER METALLIC** IG: @ANTHONYSESTITO

11-21-2017, 04:46 PM	#6
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: 1118 Post(s) Tagged: 9 Thread(s)	rekt ☑ not rekt ☐ __________________ service manuals

11-21-2017, 04:55 PM	#7
brzzy @anthonysestito Join Date: Oct 2015 Drives: 2013 Sterling Silver Metallic BRZ Location: Vaughan Posts: 391 Thanks: 117 Thanked 111 Times in 86 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Heres the video: Car is parked, no one is modulating throttle its just cycling RPM. __________________ 2013 BRZ LIMITED STERLING SILVER METALLIC IG: @ANTHONYSESTITO

11-21-2017, 04:56 PM	#8
Tcoat Senior Member Join Date: Jul 2014 Drives: 2020 Hakone Location: London, Ont Posts: 69,841 Thanks: 61,656 Thanked 108,295 Times in 46,456 Posts Mentioned: 2499 Post(s) Tagged: 50 Thread(s)	TOB gets my vote. __________________ Racecar spelled backwards is Racecar, because Racecar.

11-21-2017, 10:31 PM	#9
humfrz Senior Member Join Date: May 2013 Drives: 2013 FR-S, white, MT Location: Puyallup, WA Posts: 30,432 Thanks: 29,826 Thanked 32,845 Times in 16,844 Posts Mentioned: 715 Post(s) Tagged: 2 Thread(s)	hmmm....... could be a bad TOB. Could be a pulley going bad or the AC clutch. I'd suggest check the pulleys by placing a rod next to the pulley and your ear at the other end to see if you can isolate the sound. humfrz

11-21-2017, 11:10 PM	#10
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: 1118 Post(s) Tagged: 9 Thread(s)	It's an odd one for sure. I'm skeptical about the TOB but I've been wrong. Test it by pulling the clutch fork forward by hand just a little while it's making the sound. Wear gloves for comfort in case it's hot but don't worry. It won't be any worse than McDonalds coffee. __________________ service manuals

11-22-2017, 12:57 AM	#11
Mr.ac [insert cool phrase here] Join Date: Aug 2015 Drives: BRZ Premium Location: Central Coast CA Posts: 2,368 Thanks: 709 Thanked 1,559 Times in 930 Posts Mentioned: 30 Post(s) Tagged: 0 Thread(s)	Another vote for the Throw out bearing. Sounds like mine right before it died. If you have a buddy with a video scoop you could peek in side and confirm. An old machinist buddy of mine just told me about that trick. Of course after the fact I told him about my throw out bearing ordeal. __________________ New daily driver - Subaru BRZ Premium Weekend fun/track car - '91 MR2 Turbo Gen3 Old daily driver - '88 MR2 Supercharged

11-22-2017, 08:09 AM	#12
BRZnut Senior Member Join Date: Oct 2012 Drives: BRZ DGM Limited Location: USA Posts: 1,237 Thanks: 5 Thanked 431 Times in 250 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	Heat shield rattle?

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