Whirring noise on clutch - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

airrick · 04-14-2020, 04:25 PM

Hi,

Recently I noticed this whirring noise when i press the clutch on cold start. Even if i press the clutch a little. Is this the dreaded TOB?

Tcoat · 04-14-2020, 04:50 PM

Quote:

Originally Posted by airrick

Hi,

Recently I noticed this whirring noise when i press the clutch on cold start. Even if i press the clutch a little. Is this the dreaded TOB?

Yep

humfrz · 04-14-2020, 05:04 PM

Most likely.

Tcoat · 04-14-2020, 05:21 PM

Quote:

Originally Posted by humfrz

Most likely.

It is the start. It get's much much worse if left.

airrick · 04-14-2020, 06:00 PM

Quote:

Originally Posted by Tcoat

It is the start. It get's much much worse if left.

its at 61500 miles. rarely drive the car. how much longer you think til it goes? Im thinking about attempting to do this job myself. Doesnt seem toooooo hard of a job. Was gonna get a tune from a Racers Line, maybe not now.

Tcoat · 04-14-2020, 06:41 PM

Quote:

Originally Posted by airrick

its at 61500 miles. rarely drive the car. how much longer you think til it goes? Im thinking about attempting to do this job myself. Doesnt seem toooooo hard of a job. Was gonna get a tune from a Racers Line, maybe not now.

I got about 6,000 miles after mine started to make that noise. I also waited too long and it blew and took everything it touched with it. I personally would not wait. The longer it goes the more damage is done.

airrick · 04-14-2020, 07:08 PM

Quote:

Originally Posted by Tcoat

I got about 6,000 miles after mine started to make that noise. I also waited too long and it blew and took everything it touched with it. I personally would not wait. The longer it goes the more damage is done.

hmm youre right.

SU003-07349
Exedy OEM Clutch Kit
I've read that the 17+ models TOB are better so i guess im purchasing this one. Since im gonna replace TOB might as well replace whole clutch assembly. Thinking about replacing the OEM clutch fork with the Forged Verus ones.
I did the clutch pedal mod, moved it about just equal to brake pedal; did this cause more wear on my TOB/Clutch Assembly? If this caused more wear then i would want to move back the clutch pedal height.

Mr.ac · 04-14-2020, 07:11 PM

Yep. TOB.
Mine started with the faint same exact noise at about your same mileage. Mine lived another 10k before it shat itself on the taco bell drive through.

The job itself is not hard at all, given you have a level garage, a buddy and basic hand tools.

Tcoat · 04-14-2020, 07:21 PM

Quote:

Originally Posted by airrick

hmm youre right.

SU003-07349
Exedy OEM Clutch Kit
I've read that the 17+ models TOB are better so i guess im purchasing this one. Since im gonna replace TOB might as well replace whole clutch assembly. Thinking about replacing the OEM clutch fork with the Forged Verus ones.
I did the clutch pedal mod, moved it about just equal to brake pedal; did this cause more wear on my TOB/Clutch Assembly? If this caused more wear then i would want to move back the clutch pedal height.

There probably is zero need to replace the whole clutch. You do need to ensure you get the right part number for the TOB though.
No the mod probably had nothing to do with it. There were two visibly different TOBs used up until 2017 even though there was only one part number. One seems to be worse than the other.

This is the part number you want.

airrick · 04-14-2020, 07:32 PM

Quote:

Originally Posted by Tcoat

There probably is zero need to replace the whole clutch. You do need to ensure you get the right part number for the TOB though.
No the mod probably had nothing to do with it. There were two visibly different TOBs used up until 2017 even though there was only one part number. One seems to be worse than the other.

This is the part number you want.

SU003-07349
this one right? thanks!

Tcoat · 04-14-2020, 07:34 PM

Quote:

Originally Posted by airrick

SU003-07349
this one right? thanks!

Yep

sharpsicle · 04-18-2020, 12:40 PM

Personally, at 60k+ miles, if you're going to drop the transmission you might as well do the whole clutch. The kits themselves are not that expensive, and the labor you're putting in just makes sense to do it all now and not have to worry about dropping it again in the near future.

Grady · 04-19-2020, 09:54 AM

Quote:

Originally Posted by sharpsicle

Personally, at 60k+ miles, if you're going to drop the transmission you might as well do the whole clutch. The kits themselves are not that expensive, and the labor you're putting in just makes sense to do it all now and not have to worry about dropping it again in the near future.

Yep, Murphy's Law! Not that pulling the transmission is difficult I just would not want to pull it again 6 months later.

Ultramaroon · 04-19-2020, 06:23 PM

It all depends on the driver. If the driver is clueless, for example, chronically gassing before full engagement, then maybe replace.

If the owner is confident in his/her ability to respect the clutch, I wouldn't fuck with it. New parts can be defective.

04-14-2020, 04:25 PM	#1
airrick Senior Member Join Date: Jun 2018 Drives: TRD R.S. 1.0 FRS Location: California Posts: 181 Thanks: 87 Thanked 50 Times in 35 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Whirring noise on clutch Hi, Recently I noticed this whirring noise when i press the clutch on cold start. Even if i press the clutch a little. Is this the dreaded TOB?

04-14-2020, 07:11 PM	#8
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)	Yep. TOB. Mine started with the faint same exact noise at about your same mileage. Mine lived another 10k before it shat itself on the taco bell drive through. The job itself is not hard at all, given you have a level garage, a buddy and basic hand tools. __________________ New daily driver - Subaru BRZ Premium Weekend fun/track car - '91 MR2 Turbo Gen3 Old daily driver - '88 MR2 Supercharged

04-19-2020, 06:23 PM	#14
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 all depends on the driver. If the driver is clueless, for example, chronically gassing before full engagement, then maybe replace. If the owner is confident in his/her ability to respect the clutch, I wouldn't fuck with it. New parts can be defective. __________________ service manuals

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04-14-2020, 05:04 PM	#3
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)	Most likely.

04-18-2020, 12:40 PM	#12
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