follow ft86club on our blog, twitter or facebook.
FT86CLUB
Ft86Club
Speed By Design
Register Garage Members List Calendar Search Today's Posts Mark Forums Read

Go Back   Toyota GR86, 86, FR-S and Subaru BRZ Forum - FT86CLUB > Technical Topics > Issues | Warranty | Recalls / TSB

Issues | Warranty | Recalls / TSB Problems, issues, recalls, TSBs


User Tag List

Reply
 
Thread Tools Search this Thread
Old 07-11-2021, 02:43 PM   #1
ghostzfh
Member
 
Join Date: May 2016
Drives: 2016 Scion FRS Halo
Location: Mid-Atlantic
Posts: 76
Thanks: 37
Thanked 24 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Question Clutch pedal doesn't feel butter smooth anymore

I drive a manual 2016 Scion FRS with 24,000 miles and my clutch pedal seems to not be smooth when pressing and letting off. When I first bought the car brand new with 8 miles on it, it was smooth, but at roughly 14,000 miles, it started to lose it's smoothness.

It's hard to describe, but when I press it down and let it back up, it just doesn't have that brand new butter smooth feeling. I don't know how to describe it. When you press it and let off completely you can feel very small and subtle disturbances throughout the motion. It feels as though maybe the pedal or some mechanism is getting worn out or been through heavily manipulation over the course of being used constantly.

But overall the clutch pedal and the clutch operate perfectly fine. It's just a feel thing for me. It's not that big of a deal since everything works perfectly fine, but it just annoys me since I daily drive in a big city and I'm constantly on the clutch all the time. I wish for it to be smooth just like the first day I bought the car.

What could be the problem and how can I fix it to be smooth again?

Edit #1: Needed to clarify that the clutch pedal was working perfectly when I initially bought it, up to 14,000 miles
Edit #2: I forgot to mention that when my car heats up and I have the heat on and it shoots into the foot wells for at least 10-15 minutes the problem goes away completely. The clutch pedal ends up being butter smooth again.

Last edited by ghostzfh; 07-16-2021 at 12:01 PM. Reason: See clarifications
ghostzfh is offline   Reply With Quote
The Following User Says Thank You to ghostzfh For This Useful Post:
humfrz (07-11-2021)
Old 07-11-2021, 03:47 PM   #2
Ultramaroon
comma chameleon
 
Ultramaroon's Avatar
 
Join Date: Sep 2014
Drives: a 13 e8h frs
Location: vantucky, wa
Posts: 27,519
Thanks: 43,575
Thanked 29,598 Times in 15,714 Posts
Mentioned: 1016 Post(s)
Tagged: 9 Thread(s)
Fatal flaw in the design and/or factory lube. Lube melts, separates. It's also sticky and picks up dust from the disc. That crap grinds into the quill and chafes it.


The real fix is to drop the trans and replace worn components. I seem to be having good luck with graphite/molybdenum grease in the main fork pivot but not sure long-term because covid. Haven't been driving it much.
__________________
Ultramaroon is offline   Reply With Quote
The Following 2 Users Say Thank You to Ultramaroon For This Useful Post:
ghostzfh (07-11-2021), soundman98 (07-11-2021)
Old 07-11-2021, 04:12 PM   #3
ghostzfh
Member
 
Join Date: May 2016
Drives: 2016 Scion FRS Halo
Location: Mid-Atlantic
Posts: 76
Thanks: 37
Thanked 24 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by Ultramaroon View Post
Fatal flaw in the design and/or factory lube. Lube melts, separates. It's also sticky and picks up dust from the disc. That crap grinds into the quill and chafes it.


The real fix is to drop the trans and replace worn components. I seem to be having good luck with graphite/molybdenum grease in the main fork pivot but not sure long-term because covid. Haven't been driving it much.
Hmm... So is this a known and common problem with the clutch? I'm guessing you've experienced the same thing as me?
ghostzfh is offline   Reply With Quote
Old 07-11-2021, 04:44 PM   #4
Ultramaroon
comma chameleon
 
Ultramaroon's Avatar
 
Join Date: Sep 2014
Drives: a 13 e8h frs
Location: vantucky, wa
Posts: 27,519
Thanks: 43,575
Thanked 29,598 Times in 15,714 Posts
Mentioned: 1016 Post(s)
Tagged: 9 Thread(s)
Quote:
Originally Posted by ghostzfh View Post
Hmm... So is this a known and common problem with the clutch? I'm guessing you've experienced the same thing as me?
Yes, yes.
__________________
Ultramaroon is offline   Reply With Quote
The Following User Says Thank You to Ultramaroon For This Useful Post:
ghostzfh (07-11-2021)
Old 07-11-2021, 06:59 PM   #5
humfrz
Senior Member
 
Join Date: May 2013
Drives: 2013 FR-S, white, MT
Location: Puyallup, WA
Posts: 28,103
Thanks: 25,677
Thanked 28,450 Times in 15,118 Posts
Mentioned: 665 Post(s)
Tagged: 2 Thread(s)
Quote:
Originally Posted by ghostzfh View Post
I drive a manual 2016 Scion FRS with 24,000 miles and my clutch pedal seems to not be smooth when pressing and letting off, ever since I first bought the car brand new with 8 miles on it.

What could be the problem and how can I fix it to be smooth again?
If that's the way it's always been ...... I reckon that's just the way it is -

OK, short of a major operation, may I suggest you give a squirt of silicone spray to any moving clutch parts that you can see.

That may not "fix" it, but at least you will have tried -

Also, you may wish to try the @Ultramaroon method:

Quick & dirty: from @Ultramaroon
1. Detach the slave cylinder. Leave the hydraulics alone.
2. Remove the dust boot from the fork.
3. Reach down behind the fork with a finger and feel for the pivot. It's going to be tight because of the retaining clip.
4. Squeeze a decent glob of Lucas Red & Tacky #2 in there with your finger.
5. Jiggle the fork to distribute the grease as much as possible. It'll work in more on its own.
6. Put a dab of grease in the top pivot where the slave pin goes.
7. Reassemble.


Bubba suggests to lube that stupid little spring under the dash that hooks into the clutches working arms. Well, hell, it worked with the squeaky screen door springs, back in the day. -
humfrz is offline   Reply With Quote
The Following 2 Users Say Thank You to humfrz For This Useful Post:
ghostzfh (07-12-2021), Ultramaroon (07-12-2021)
Old 07-11-2021, 07:13 PM   #6
Sapphireho
Wet aged
 
Sapphireho's Avatar
 
Join Date: Mar 2016
Drives: Costco boxer briefs
Location: Caldwell, ID
Posts: 10,622
Thanks: 4,536
Thanked 13,307 Times in 6,618 Posts
Mentioned: 128 Post(s)
Tagged: 0 Thread(s)
You say, "But overall the clutch pedal and the clutch operate perfectly fine."

So, how much experience so you have with cars?
Sapphireho is offline   Reply With Quote
Old 07-12-2021, 12:47 AM   #7
ghostzfh
Member
 
Join Date: May 2016
Drives: 2016 Scion FRS Halo
Location: Mid-Atlantic
Posts: 76
Thanks: 37
Thanked 24 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
@humfrz - Please see my newest edits in the first part
@Sapphireho - Not much...This is my first car. Had it for 5 years so far...
ghostzfh is offline   Reply With Quote
The Following 2 Users Say Thank You to ghostzfh For This Useful Post:
humfrz (07-12-2021), Ultramaroon (07-12-2021)
Old 07-12-2021, 01:01 AM   #8
humfrz
Senior Member
 
Join Date: May 2013
Drives: 2013 FR-S, white, MT
Location: Puyallup, WA
Posts: 28,103
Thanks: 25,677
Thanked 28,450 Times in 15,118 Posts
Mentioned: 665 Post(s)
Tagged: 2 Thread(s)
Quote:
Originally Posted by ghostzfh View Post
@humfrz - Please see my newest edits in the first part
@Sapphireho - Not much...This is my first car. Had it for 5 years so far...
I see. Thanks for clarifying.
humfrz is offline   Reply With Quote
Old 07-16-2021, 11:59 AM   #9
ghostzfh
Member
 
Join Date: May 2016
Drives: 2016 Scion FRS Halo
Location: Mid-Atlantic
Posts: 76
Thanks: 37
Thanked 24 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
@humfrz
@Ultramaroon

I forgot to mention that when my car heats up and I have the heat on and it shoots into the foot wells for at least 10-15 minutes the problem goes away completely. The clutch pedal ends up being butter smooth again.

Does this change the source of the problem?
ghostzfh is offline   Reply With Quote
The Following User Says Thank You to ghostzfh For This Useful Post:
humfrz (07-16-2021)
Old 07-16-2021, 01:31 PM   #10
Ultramaroon
comma chameleon
 
Ultramaroon's Avatar
 
Join Date: Sep 2014
Drives: a 13 e8h frs
Location: vantucky, wa
Posts: 27,519
Thanks: 43,575
Thanked 29,598 Times in 15,714 Posts
Mentioned: 1016 Post(s)
Tagged: 9 Thread(s)
Coincidence only. The sticky clutch fork is worst when it's cold.
__________________
Ultramaroon is offline   Reply With Quote
The Following User Says Thank You to Ultramaroon For This Useful Post:
ghostzfh (07-16-2021)
Old 07-16-2021, 02:30 PM   #11
spike021
Senior Member
 
spike021's Avatar
 
Join Date: Jul 2013
Drives: '17 Limited BRZ CWP w/ PP
Location: San Jose, CA
Posts: 4,654
Thanks: 10,898
Thanked 4,904 Times in 2,440 Posts
Mentioned: 57 Post(s)
Tagged: 0 Thread(s)
Quote:
Originally Posted by ghostzfh View Post
I drive a manual 2016 Scion FRS with 24,000 miles and my clutch pedal seems to not be smooth when pressing and letting off. When I first bought the car brand new with 8 miles on it, it was smooth, but at roughly 14,000 miles, it started to lose it's smoothness.

It's hard to describe, but when I press it down and let it back up, it just doesn't have that brand new butter smooth feeling. I don't know how to describe it. When you press it and let off completely you can feel very small and subtle disturbances throughout the motion. It feels as though maybe the pedal or some mechanism is getting worn out or been through heavily manipulation over the course of being used constantly.

But overall the clutch pedal and the clutch operate perfectly fine. It's just a feel thing for me. It's not that big of a deal since everything works perfectly fine, but it just annoys me since I daily drive in a big city and I'm constantly on the clutch all the time. I wish for it to be smooth just like the first day I bought the car.

What could be the problem and how can I fix it to be smooth again?

Edit #1: Needed to clarify that the clutch pedal was working perfectly when I initially bought it, up to 14,000 miles
Edit #2: I forgot to mention that when my car heats up and I have the heat on and it shoots into the foot wells for at least 10-15 minutes the problem goes away completely. The clutch pedal ends up being butter smooth again.
Like @Ultramaroon said, it's pretty normal with our cars. Mine got really uncomfortable to me at about 45k miles. Coincidentally I decided to replace the TOB and pivot fork.

That maintenance by the shop made my clutch pedal feel like new again.

Not sure if they re-lubed it or not but it feels nice.
__________________
Instagram: @spike.brz
Quote:
Originally Posted by humfrz View Post
It sounds to me like the delicate, metallic sounds of piston skirts slapping against the cylinder walls
Quote:
Originally Posted by Tcoat View Post
Now, if it was three feet long and you were using all that leverage
spike021 is offline   Reply With Quote
The Following 2 Users Say Thank You to spike021 For This Useful Post:
ghostzfh (07-16-2021), Ultramaroon (07-16-2021)
Old 07-16-2021, 03:05 PM   #12
ghostzfh
Member
 
Join Date: May 2016
Drives: 2016 Scion FRS Halo
Location: Mid-Atlantic
Posts: 76
Thanks: 37
Thanked 24 Times in 19 Posts
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
@Ultramaroon

Are there any picture based step by step guides to greasing the clutch fork, pivot/ball, etc.? I'm a noob to mechanic stuff.
ghostzfh is offline   Reply With Quote
Old 07-16-2021, 03:39 PM   #13
Ultramaroon
comma chameleon
 
Ultramaroon's Avatar
 
Join Date: Sep 2014
Drives: a 13 e8h frs
Location: vantucky, wa
Posts: 27,519
Thanks: 43,575
Thanked 29,598 Times in 15,714 Posts
Mentioned: 1016 Post(s)
Tagged: 9 Thread(s)
Here's a view of the clutch fork (and stuff) from the service manual.

Look for it in context by starting with the link in my sig line.

Here's another cutaway view I marked up a long time ago. I don't have one but others seem to have good results with the Verus clutch fork. The OEM design is just a crappy fail in a few ways. You could get away with a dab of grease in the pivot for a while but it will come back, and it will progressively get worse as the socket wears.

__________________
Ultramaroon is offline   Reply With Quote
The Following User Says Thank You to Ultramaroon For This Useful Post:
ghostzfh (07-17-2021)
Old 07-16-2021, 10:04 PM   #14
humfrz
Senior Member
 
Join Date: May 2013
Drives: 2013 FR-S, white, MT
Location: Puyallup, WA
Posts: 28,103
Thanks: 25,677
Thanked 28,450 Times in 15,118 Posts
Mentioned: 665 Post(s)
Tagged: 2 Thread(s)
Quote:
Originally Posted by ghostzfh View Post
@humfrz
@Ultramaroon

I forgot to mention that when my car heats up and I have the heat on and it shoots into the foot wells for at least 10-15 minutes the problem goes away completely. The clutch pedal ends up being butter smooth again.

Does this change the source of the problem?
Yes, just like the old joints in my ankles, knees and hips. The more heat the smoother they work. I used to lub them up with whisky - but I can't do that no more -
humfrz is offline   Reply With Quote
The Following User Says Thank You to humfrz For This Useful Post:
ghostzfh (07-17-2021)
 
Reply

Tags
clutch pedal, wear

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Brake pedal feel issue Open Loop Suspension | Chassis | Brakes -- Sponsored by 949 Racing 6 01-03-2020 03:38 AM
VOTE: Your Transmission 6MT? Butter smooth? -or- Problems? hmong337 Engine, Exhaust, Transmission 111 07-27-2016 09:59 PM
How to fix light feel with the clutch pedal? hot86lova Scion FR-S / Toyota 86 GT86 General Forum 8 08-04-2014 01:06 AM
Transmission just doesn't feel right (since day 1 bought with 83 miles) GhostShield Issues | Warranty | Recalls / TSB 90 04-15-2014 07:51 PM
Odd brake pedal feel, fade? yomny Suspension | Chassis | Brakes -- Sponsored by 949 Racing 28 09-11-2012 12:29 PM


All times are GMT -4. The time now is 10:16 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, vBulletin Solutions Inc.
User Alert System provided by Advanced User Tagging v3.3.0 (Lite) - vBulletin Mods & Addons Copyright © 2021 DragonByte Technologies Ltd.

Garage vBulletin Plugins by Drive Thru Online, Inc.