Welcome to the North American Subaru Impreza Owners Club Wednesday January 17, 2018
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Go Back   NASIOC > NASIOC Technical > Transmission (AT/MT) & Driveline

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads. 
Reply
 
Thread Tools Display Modes
Old 03-08-2016, 12:02 PM   #1
alapilusa
Scooby Newbie
 
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:
2015 WRX
WRB

Default Strange Clutch Feel

not sure if something is wrong or not, but over the past few weeks my clutch sometimes feels... rough. the pedal engagement and disengagement feel isnt smooth as usual. but only sometimes, most often after getting into boost (not even at WOT).

when it starts to feel like that, i put the shifter into nuetral, and just pump the clutch once or twice and the feeling goes away. back to smooth, normal engagement and disengagement until i get on it again... it just is strange to me. never any strange sounds from it either.

car has about 16k on it right now. i've been driving stick for 8 or 9 years and this is my 3rd manual car so its not like i learned on this clutch or taught anyone on this car so the clutch shouldn't be worn. i neverrr launch the car or "power shift". i always re-match on the downshift so the clutch should be engaging the transmission and engine at the same RPM (approx).

can anyone shed some light?? i've heard of throwout bearing issues on some 2015 WRXs, not sure if this could be related?

i've had no slipping of the clutch when its in gear. the car is stage 2 bren etuned, just a downpipe and catback. but thats enough reason for me to hesitate bringing it to the dealership.

thanks.
* Registered users of the site do not see these ads.
alapilusa is offline   Reply With Quote
Sponsored Links
* Registered users of the site do not see these ads.
Old 03-08-2016, 12:16 PM   #2
FAPower
Scooby Newbie
 
Member#: 438479
Join Date: Jan 2016
Chapter/Region: MWSOC
Vehicle:
2015 WRX
ISM

Default

Sounds like you should try bleeding your clutch
FAPower is offline   Reply With Quote
Old 03-08-2016, 12:25 PM   #3
milosav2
Scooby Newbie
 
Member#: 431101
Join Date: Sep 2015
Default

Have you checked the fluid in your clutch reservoir? How does it look? Any little particles?

Check that the clutch master cylinder (should be right under the clutch fluid reservoir) is not damaged. I don't know much about the clutch master cylinders of subaru's, but on bmw's they had a rubber boot which would sometimes get torn and let in small particles of dust. This dust would contribute to the "rough" feel of the clutch and maybe even be visible in the fluid of the clutch reservoir. Flush the system and go from there.

Refer to this for bleeding the system: http://forums.nasioc.com/forums/show....php?t=2668630

2015 WRX Clutch Master Cylinder: http://www.ebay.com/itm/2015-15-SUBA...-/361327003751

Last edited by milosav2; 03-08-2016 at 12:32 PM.
milosav2 is offline   Reply With Quote
Old 03-08-2016, 02:11 PM   #4
psyclobe
Scooby Specialist
 
Member#: 395439
Join Date: Jul 2014
Chapter/Region: SCIC
Location: CA, Fresno
Vehicle:
2015 WRX
Crystal Black Silica

Default

You should take it to the dealer
psyclobe is offline   Reply With Quote
Old 03-08-2016, 03:39 PM   #5
milosav2
Scooby Newbie
 
Member#: 431101
Join Date: Sep 2015
Default

I agree with taking it to the dealer. I don't see why they wouldn't at the very least diagnose the problem, but I can see why they would not cover the fix under warranty.
milosav2 is offline   Reply With Quote
Old 03-08-2016, 08:04 PM   #6
alapilusa
Scooby Newbie
 
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:
2015 WRX
WRB

Default

my hesitation for taking it to the dealer is that if something does go wrong, i can go back to stock and attempt to file a warranty claim. not possible if they've already seen the car modified. still, taking it there isn't out of the question, especially if i feel the problem get worse.

as for checking the clutch reservoir, i'll take a look at that tomorrow and see if i notice anything unusual (if thats possible)

maybe when i go for my next oil change in like 2k, i'll have my mechanic take a look and see if he thinks i should bleed the clutch. just not sure if i want to wait that long

thanks for the quick responses though. gonna keep an eye on it and check back and see if i figure it out.

Last edited by alapilusa; 03-08-2016 at 08:09 PM.
alapilusa is offline   Reply With Quote
Old 03-08-2016, 08:28 PM   #7
milosav2
Scooby Newbie
 
Member#: 431101
Join Date: Sep 2015
Default

Quote:
Originally Posted by alapilusa View Post
my hesitation for taking it to the dealer is that if something does go wrong, i can go back to stock and attempt to file a warranty claim. not possible if they've already seen the car modified. still, taking it there isn't out of the question, especially if i feel the problem get worse.
I wouldn't wait 2k miles. Just take it in and have them look at it. Either way, you can just take it to another subaru dealer if the first dealer declines your warranty claim. Fill us in tomorrow on the condition of the clutch master cylinder and the clutch fluid inside the reservoir. Take some pictures as well. All of this will contribute to troubleshooting the rest of us who possibly have or will encounter the same strange feeling in the clutch.
milosav2 is offline   Reply With Quote
Old 03-08-2016, 09:05 PM   #8
ehells
Scooby Newbie
 
Member#: 391696
Join Date: May 2014
Location: Ohio
Vehicle:
2015 WRX Limited
WR Blue

Default

I have been experiencing the same thing with mine. It only seems to happen after hard acceleration. I have been thinking it is the throw out bearing. Mine also makes some noise after highway driving or autocross runs. At first it bothered me, but I decided I would just wait until the clutch burns up to do anything. I don't trust the dealer with my car, and I don't expect my modified car to be covered under warranty, so you may want to have yours looked at.

The clutch in the 2015+ shares the brake reservoir. I have bled the whole system 4 times now (not because of the clutch) and it hasn't changed.
ehells is offline   Reply With Quote
Old 03-09-2016, 09:34 AM   #9
alapilusa
Scooby Newbie
 
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:
2015 WRX
WRB

Default

Quote:
Originally Posted by ehells View Post
I have been experiencing the same thing with mine. It only seems to happen after hard acceleration. I have been thinking it is the throw out bearing. Mine also makes some noise after highway driving or autocross runs. At first it bothered me, but I decided I would just wait until the clutch burns up to do anything. I don't trust the dealer with my car, and I don't expect my modified car to be covered under warranty, so you may want to have yours looked at.

The clutch in the 2015+ shares the brake reservoir. I have bled the whole system 4 times now (not because of the clutch) and it hasn't changed.
I've heard of a few other 15s with throw out bearing issues. After i read that, i remembered hearing a noise coming from my clutch on cold rainy mornings. figured it had to do with the moisture, but it would stop once the car warmed up a bit. probably should have brought it to the dealer then... now i'm sure thats what it is. unfortunately nothing i can really do about that till i change my clutch in the distant future.

probably going to bring it to the dealer and have them take a look. #****awarranty hahah
alapilusa is offline   Reply With Quote
Old 03-09-2016, 11:57 PM   #10
ehells
Scooby Newbie
 
Member#: 391696
Join Date: May 2014
Location: Ohio
Vehicle:
2015 WRX Limited
WR Blue

Default

Your dealer may me better than mine. I have heard of some not caring about modifications as long as it wasn't obviously caused by the modifications. The dealer I bought my car from bragged about his co-workers' highly modified subarus (Unfortunately I am 1200 miles away from there now).

Let me know what they find if you do have them look at it. The throw out bearing was just my guess based on the horrible noises it makes.
ehells is offline   Reply With Quote
Old 03-10-2016, 09:34 AM   #11
gnh5002
Scooby Newbie
 
Member#: 408203
Join Date: Dec 2014
Chapter/Region: MAIC
Location: Alburtis, PA
Vehicle:
2014 WRX
CBS

Default

In for updates. I have a 2014 but exact same scenario, typically only after some back road spirited driving. Have tried to get video of the sounds it makes starting from a dead stop but that never goes so well due to the exhaust...usually goes away after a little. Mine goes in for an oil change tonight so I'll bring it up and see what they think.

The first two videos are inside the car, sound it makes from a stop when my clutch has the similar feel to what is described above. The third is the sound it makes outside the car. After the feeling goes away and the clutch is back to normal, all good again - smooth engagement and no sounds.

For reference, Stage 3 by Eric at TP. No clutch slip either.

https://goo.gl/photos/pKAHvLN763nfRwrS6

https://goo.gl/photos/KVT9Vhq2qZs3Wwcc7

https://goo.gl/photos/zY5neWNooixEF8pKA
gnh5002 is offline   Reply With Quote
Old 03-10-2016, 12:09 PM   #12
birdmanbro
Scooby Newbie
 
Member#: 434549
Join Date: Nov 2015
Default

Quote:
Originally Posted by alapilusa View Post
not sure if something is wrong or not, but over the past few weeks my clutch sometimes feels... rough. the pedal engagement and disengagement feel isnt smooth as usual. but only sometimes, most often after getting into boost (not even at WOT).

when it starts to feel like that, i put the shifter into nuetral, and just pump the clutch once or twice and the feeling goes away. back to smooth, normal engagement and disengagement until i get on it again... it just is strange to me. never any strange sounds from it either.

car has about 16k on it right now. i've been driving stick for 8 or 9 years and this is my 3rd manual car so its not like i learned on this clutch or taught anyone on this car so the clutch shouldn't be worn. i neverrr launch the car or "power shift". i always re-match on the downshift so the clutch should be engaging the transmission and engine at the same RPM (approx).

can anyone shed some light?? i've heard of throwout bearing issues on some 2015 WRXs, not sure if this could be related?

i've had no slipping of the clutch when its in gear. the car is stage 2 bren etuned, just a downpipe and catback. but thats enough reason for me to hesitate bringing it to the dealership.

thanks.
Had this happen to me as well but only once. I was driving in horrible blizzard conditions and was riding my clutch in the worst traffic I've ever been in for at least an hour (wouldn't go faster than 5mph). It felt like it was grinding as I releasing the clutch. The problem went away and my clutch feels fine now. IDK what it was, maybe got a little hot?
birdmanbro is offline   Reply With Quote
Old 03-10-2016, 04:32 PM   #13
nfbubby
Scooby Newbie
 
Member#: 434483
Join Date: Nov 2015
Default

I recently had my car in for a vibrating/chattering feeling when shifting under load (2500 rpm or more) and the dealer basically said "we don't feel it but if you want a new clutch we'll give you one"
nfbubby is offline   Reply With Quote
Old 03-10-2016, 05:02 PM   #14
birdmanbro
Scooby Newbie
 
Member#: 434549
Join Date: Nov 2015
Default

Quote:
Originally Posted by nfbubby View Post
I recently had my car in for a vibrating/chattering feeling when shifting under load (2500 rpm or more) and the dealer basically said "we don't feel it but if you want a new clutch we'll give you one"
NEW CLUTCH? WITH NO HASSLE? screw it, I'm in! lol
birdmanbro is offline   Reply With Quote
Old 03-10-2016, 05:07 PM   #15
nfbubby
Scooby Newbie
 
Member#: 434483
Join Date: Nov 2015
Default

I got them to agree to wait a couple months and I'd bring it in, no hassle
nfbubby is offline   Reply With Quote
Old 03-11-2016, 09:33 AM   #16
alapilusa
Scooby Newbie
 
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:
2015 WRX
WRB

Default

Quote:
Originally Posted by nfbubby View Post
I recently had my car in for a vibrating/chattering feeling when shifting under load (2500 rpm or more) and the dealer basically said "we don't feel it but if you want a new clutch we'll give you one"
Scoree! were you completely stock? id love to get that answer however, being stage 2, not sure if they'd go for that. hahaha
alapilusa is offline   Reply With Quote
Old 03-19-2016, 12:41 PM   #17
kabz
Scooby Newbie
 
Member#: 351744
Join Date: Mar 2013
Chapter/Region: TXIC
Location: Northwest Houston
Vehicle:
2016 STI
CWP

Default

From the sound of it, it's the same as the typical TOB binding a bit on the shaft that I had on my '13 WRX more or less from brand new. As long as I kept it under 5k rpm shifting 1-2, it never did it.

Over 5k on a 1-2 shift and clutch would feel rough/notchy when pressing/releasing the pedal, but be back to normal after 5 - 10 minutes of driving.

Traded the car at 60k w/ no issues, so it's probably not a serious issue unless you were to rag on it a lot, and tear up the TOB / tranny shaft.
kabz is offline   Reply With Quote
Old 03-22-2016, 12:17 AM   #18
ds16rex
Scooby Newbie
 
Member#: 438070
Join Date: Jan 2016
Chapter/Region: South East
Location: FL
Vehicle:
2016 Wrx Premium
LBP

Default

mine did that for the first time after driving in bumper to bumper traffic for 45 minutes last week and then again tonight after getting on it a little bit. it just feels "gritty" when pushing in the clutch. everything seems to work ok other than that. i only have 2500 miles on my car though... :-/

i might take it in if it keeps it up.
ds16rex is offline   Reply With Quote
Old 03-30-2016, 04:16 PM   #19
alapilusa
Scooby Newbie
 
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:
2015 WRX
WRB

Default

well i'm bringing my car into the dealer on friday for the recall so i'll bring this issue up to and see if they can do anything for me.
alapilusa is offline   Reply With Quote
Old 04-12-2016, 10:27 PM   #20
ds16rex
Scooby Newbie
 
Member#: 438070
Join Date: Jan 2016
Chapter/Region: South East
Location: FL
Vehicle:
2016 Wrx Premium
LBP

Default

Quote:
Originally Posted by alapilusa View Post
well i'm bringing my car into the dealer on friday for the recall so i'll bring this issue up to and see if they can do anything for me.

did you find anything out?
ds16rex is offline   Reply With Quote
Old 04-25-2016, 12:48 PM   #21
alapilusa
Scooby Newbie
 
Member#: 424692
Join Date: Jun 2015
Location: NJ
Vehicle:
2015 WRX
WRB

Default

so i brought my car to the dealer on friday to have them take a look at the clutch issue specifically. I was told that the technician and the service dept manager didn't feel anything and if they did, theres nothing they could do since i'm stage 2...

however, its definitely related to the throwout bearing. saturday morning was cold and rainy and my clutch was making noise when my foot wasnt on the clutch in neutral. definitely throwout bearing. so now i just wait till it gets worse and then replace it i guess out of pocket. wish i spke up about this noise before the car was modded. o well. live and learn!
alapilusa is offline   Reply With Quote
Old 02-08-2017, 01:08 PM   #22
xcskier
Scooby Newbie
 
Member#: 412343
Join Date: Feb 2015
Default

I began dealing with the same issue after only 8,000 miles or so on my 2015 WRX. The best way I could describe it is like the feeling of really creaky springs coming through the clutch pedal. It's definitely not smooth and it happens consistently for me. The good news is that my dealer has been willing to work with me on it and I'm now on my second new TOB with less than 20,000 miles. The problem has gone away immediately with the new TOB but comes back very soon thereafter. I just had another TOB replaced in the last couple of months and the creakiness / roughness was back within a week. For this last replacement, they had the regional Subaru service tech come in to look at it with the dealer techs and he said that there is a new TOB design which was recently released by Subaru to address this issue. This is what was installed on my vehicle but it obviously didn't work. This is very frustrating and I'm wondering if it's just something that I / we have to live with. Unfortunately, I'm reminded of it on every shift so it's hard to ignore.
xcskier is offline   Reply With Quote
Old 12-06-2017, 05:19 PM   #23
fmwrx
Scooby Newbie
 
Member#: 468917
Join Date: Jun 2017
Default

Quote:
Originally Posted by xcskier View Post
I began dealing with the same issue after only 8,000 miles or so on my 2015 WRX. The best way I could describe it is like the feeling of really creaky springs coming through the clutch pedal. It's definitely not smooth and it happens consistently for me. The good news is that my dealer has been willing to work with me on it and I'm now on my second new TOB with less than 20,000 miles. The problem has gone away immediately with the new TOB but comes back very soon thereafter. I just had another TOB replaced in the last couple of months and the creakiness / roughness was back within a week. For this last replacement, they had the regional Subaru service tech come in to look at it with the dealer techs and he said that there is a new TOB design which was recently released by Subaru to address this issue. This is what was installed on my vehicle but it obviously didn't work. This is very frustrating and I'm wondering if it's just something that I / we have to live with. Unfortunately, I'm reminded of it on every shift so it's hard to ignore.
were you able to get it figured out? I'm having similar experiences on a 2018 wrx, got my TOB replaced 2 weeks ago and now I have the same feeling back. Got back from dealer today they don't want to replace it because the foreman thinks nothing is wrong and he doesn't feel it
fmwrx is offline   Reply With Quote
Old 12-26-2017, 12:24 PM   #24
sk8boarder22a
Scooby Newbie
 
Member#: 453241
Join Date: Aug 2016
Location: Sacramento
Vehicle:
2017 WRX
Crystal White Pearl

Default

I have the same problem as well. I am stage 2 though and fear of going to the dealer since they already saw my accessport cord plugged in when I went in for a dead battery a few weeks back (they tried to update my ecm with the charging logic). My car has 20k miles on it.
sk8boarder22a is offline   Reply With Quote
Reply

Thread Tools
Display Modes

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

All times are GMT -4. The time now is 07:37 AM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2018 Axivo Inc.
Copyright ©1999 - 2017, North American Subaru Impreza Owners Club, Inc.