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Old 01-20-2004, 03:58 AM   #1
Dendrobium
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Member#: 24234
Join Date: Sep 2002
Chapter/Region: VIC
Location: Canada
Vehicle:
2003 WRX Wagon 5sp
WRB

Default my clutch pedal squeak story (lube pics inside)...

Seems everyone has their own "clutch pedal squeak" story
and how they fixed it and/or couldn't fix it
- so thought I'd contribute mine.

CAR BACKGROUND
====================
- car has ~ 24,000 km - roughly 15,000 miles.
- about 1.5 yrs old, '03 WRX Wagon 5-speed
I noticed in the second winter of it's life that I get a high-pitched "squeak" when
pushing the clutch pedal when shifting. It's just like people describe - like having
a "mouse" down there that persistently and annoyingly squeaks at you.

SYMPTOMS:
====================
I read up on some of the threads about clutch squeak
- and tried to figure out if mine was due to (in order of severity)

- (1) just a squeak somewhere in the linkage - inside the cabin,
- (2) just a squeak somewhere in the linkage under the intercooler
- (3) a squeak due to a throwout (TO) bearing / pilot bearing - $$$ to fix.

* I've heard that if the squeak comes pretty consistently -- yet goes away when you apply slight pressure
to the clutch pedal - it may be your TO bearing (correct me if I'm wrong)

* I'm not sure of the squeak conditions for a worn pilot bearing.

Anyways, I am about 90% sure I only have a case of (1) since:
- I don't really have symptoms of (3).
- it seems to happen DURING the pressing of the clutch pedal,
- it seems to happen only during QUICK DBL-CLUTCH downshifts -- w/casual shifting it's silent.
- it seems to come distinctly from UNDERNEATH the dash near my foot.

And here's the clincher - the squeak either happens a lot or barely at all depending on what pair of shoes I wore!
(I imagine the "angle" that I depress the clutch pedal at seems to change quite a bit depending on the
shoe sole shape/padding - thus putting pressure on different "hinge pins" in the linkage)

With one particular pair (Nike Air prestos) - the sole is *thick* so clutch pedal depress is almost always straight down as the thick sole makes up for slightly misaligned feet.

With another pair (Nike Waffles) - the pad is very thin - so clutch pedal depress *may not* be
well aligned (ie. straight down) as the thin sole may not compensate for slightly misligned feet.

MY TREATMENT
===========
So, I crossed my fingers hoping it was just (1) and lubed up all the clutch pedal points
underneath the dash with some nice bicycle chain lube:

I don't recommend WD-40 or spray lubes as I find these tend to "clean" thick grease away
from the joints, and can lead to EVEN MORE SQUEAKING once they dry (that's what I found anyways)

Here's the spots I hit:

the clutch return spring, linkage, and switch spring (just above clutch pedal itself):


A metal pivot just above the clutch pedal itself:


A metal pivot, linkage, and rubber grommet/shaft just above the gas pedal (I cleaned off the grommet as it was pretty dirty, AND lubed it - this may have helped to quiet the squeak as well):


So far, so good - no more squeaks. An added benefit - my clutch pedal feels noticeably
smoother, and even the clutch spring "creak" sound that I used to hear is now reduced.

Hope that helps someone out in diagnosing their particular clutch squeak! Lube
at your own risk, and YMMV and all that.

-- Dendrobium
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Old 01-22-2004, 12:41 PM   #2
Benjamin Tang
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2009 Forester
red

Default

denobrium... when do u have free time on the weekend? i want to see what u think of mine... it's far from quiet (and getting worse IMO) and it was diagnosed as a possible bad throwout bearing, which i'm hoping it's not because this is my second replacement clutch under warranty and the last time i went to the dealership(DD) they made a mess out of my car
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Old 01-22-2004, 09:40 PM   #3
Dendrobium
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Join Date: Sep 2002
Chapter/Region: VIC
Location: Canada
Vehicle:
2003 WRX Wagon 5sp
WRB

Default

Happy Chinese New Year Ben !

Sure, I could take a listen - I have a service appointment at TOTAL at 10AM in the morn this saturday (Jan 24) for my gf's car.

I can take a listen, but with mine I could only reproduce it when double clutching relatively fast - it did seem to get worse as our weather got colder and colder recently. The lube seems to have fixed it for the most part now however.

Even if it doesn't fix it completely - just knowing that it makes a difference at least *cross my fingers* lets me believe it isn't the TO bearing, and I can get by with lubing a bit now and then for the winter months.

Tell you what, I'll bring my bro's bicycle chain lube, and a flashlight, and as long as you can make it around 10AMish -- I'll lube those points for you - if you let me down there. Don't worry, I won't make a mess, I used a thick shop towel to transfer the lube from the bottle to the clutch linkage points when I did mine - I didn't use any "spray" or messy "dripper" of any sort.

BTW - also listen closely for any squeaks from your shifter itself - mine did and Cody seems to have fixed that for the most part - again by just lubing the linkage.

*crosses fingers* for the sake of both our clutches..

let me know if you can make it.

-- Dendrobium
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Old 01-24-2004, 02:14 PM   #4
Benjamin Tang
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2009 Forester
red

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ugh i completely missed this post... now i'm too late
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Old 01-24-2004, 02:15 PM   #5
Benjamin Tang
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2009 Forester
red

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for me it dosen't matter if it's fast or slow. it's just as loud regardless. combined with the brutal shifting action when it's cold outside and driving becomes a bad experience
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Old 01-24-2004, 10:42 PM   #6
Dendrobium
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Join Date: Sep 2002
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2003 WRX Wagon 5sp
WRB

Default

You should've come anyways - I was there (at TOTAL) till about noon anyways (you know how it is, appointments at TOTAL are always lengthy cuz there's so much to talk about)

I brought the bicycle lube, etc just in case you showed up. Oh well. We'll definitely give it a try next time (and cross our fingers that it works).

I might be off to TOTAL as soon as Saturday Jan 31st. - I learned that my gf's car (not a subie) needs new CV joints and the rear struts are leaking - more work for cody!

-- Dendrobium
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Old 01-24-2004, 11:17 PM   #7
DrD
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2012 Legacy 2.5GT
Ice Silver Metallic

Default Re: my clutch pedal squeak story (lube pics inside)...

Quote:
Originally posted by Dendrobium
That's the shaft which goes to the clutch master cylinder - lube can't get to your clutch from there.
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Old 01-25-2004, 01:46 AM   #8
Dendrobium
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Join Date: Sep 2002
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Location: Canada
Vehicle:
2003 WRX Wagon 5sp
WRB

Default

Thanks for clearing that up DrD

BTW - I suspect that particular grommet was causing much of my particular squeak. My theory is that because that grommet collects a lot of dirt/dust, (compared to the other joints) which then holds moisture when warm air comes into contact with the cold metal shaft - (ie. warm air condenses on cool surfaces) - which leads to squeaky squeaky.

So, to solve my squeak, I actually cleaned up that grommet / shaft connection first by getting rid of dirt/dust there, and then lubed it.

-- Dendrobium
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Old 01-25-2004, 02:26 PM   #9
Benjamin Tang
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Member#: 4496
Join Date: Feb 2001
Location: British Columbia Canada
Vehicle:
2009 Forester
red

Default

Quote:
Originally posted by Dendrobium
You should've come anyways - I was there (at TOTAL) till about noon anyways (you know how it is, appointments at TOTAL are always lengthy cuz there's so much to talk about)

I brought the bicycle lube, etc just in case you showed up. Oh well. We'll definitely give it a try next time (and cross our fingers that it works).

I might be off to TOTAL as soon as Saturday Jan 31st. - I learned that my gf's car (not a subie) needs new CV joints and the rear struts are leaking - more work for cody!

-- Dendrobium
will try for saturday... what time? i have to make this trip because the noise is slowly making me go postal
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Old 01-25-2004, 04:27 PM   #10
Dendrobium
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Member#: 24234
Join Date: Sep 2002
Chapter/Region: VIC
Location: Canada
Vehicle:
2003 WRX Wagon 5sp
WRB

Default

let's take our scheduling conversation off-thread - I'll pm you when I know the time

-- Dendrobium
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Old 09-14-2008, 01:55 AM   #11
yertle
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Vehicle:
2005 WRB WRX - Stg 2
2013 DGM WRX 5-dr

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My '05 WRX started squeaking when I let out the clutch a few months ago, and I've been scared to look into it because I was worried about the throwout dying. I'm thinking the switch just needs lubing, after reading around here. Does anyone know where I can find some pictures? These are all long dead... Thanks.
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