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05-04-2013, 10:38 PM | #1 |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Competition stage 2 clutch / transmission violent rattle
So I'm definitely at or past the break in period and my clutch or transmission still rattles fairly violently. I replaced the clutch along with a new oem flywheel and bearings. Used a new act throw out bearing as well. Used spec torque on pressure plate.
It sounds like the car is about to fall apart in first gear (taking off) due to how bad it shakes. I can also hear clunking below the car in the front. Also, in reverse, it chatters so bad I feel the transmission slapping the bottom of the car... Or something... I have to slip in higher than usual rpms, like 2k so it doesn't chatter... I have brand new group n motor mounts, pitch stop, and transmission mount. Also double checked everything was tightened down... So what feels like it's slapping the bottom of the car? And the chatter? I'm so frustrated with this car....
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05-04-2013, 11:53 PM | #2 |
Scooby Specialist
Member#: 129888
Join Date: Oct 2006
Chapter/Region:
Tri-State
Location: Long Island, New York
Vehicle:2002 WRX Liquid Copper |
throw out bearing might be shot...
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05-05-2013, 12:32 AM | #3 |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
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05-05-2013, 02:12 AM | #4 |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
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05-05-2013, 05:40 PM | #5 |
Scooby Newbie
Member#: 255051
Join Date: Aug 2010
Chapter/Region:
South East
Location: Atlanta
Vehicle:2004 WRX Silver |
Interested in this issue. I'm having the same issue. Same clutch company.
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05-05-2013, 05:42 PM | #6 |
Scooby Specialist
Member#: 293894
Join Date: Sep 2011
Chapter/Region:
NWIC
Location: Billings,Mt
Vehicle:2011 wrx sti world rally blue |
I would just give them a call they would give you an answer fairly quick
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05-05-2013, 05:47 PM | #7 |
Scooby Specialist
Member#: 332784
Join Date: Sep 2012
Chapter/Region:
TXIC
Vehicle:11 flexed wrx SWP |
its clutch chatter...is it a puck clutch disc?
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05-05-2013, 07:40 PM | #8 | ||
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Quote:
Quote:
Full face sprung clutch. Frustrating! |
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05-05-2013, 08:13 PM | #9 |
Scooby Specialist
Member#: 23313
Join Date: Aug 2002
Location: Collegeville,Pa
Vehicle:99' 2.5Rs black |
Full face clutch what company? Is the only thing you have oem the flywheel? What pilot bearing did you use? Heads up, spec is garbage. If you used their pilot bearing they are the worst. They give you locktite to hold it in place which is the most ridiculous thing I've ever heard. My trans made a lot of noise till this garbage clutch couldn't handle maybe 400 ft lbs of tq when it was rated for 500.
I went through so many different clutch and flywheel set ups trying to get rid of a nasty decel noise. When the spec went out I said screw it and just went with the act flywheel and the 6 puck so it would hold. Coincidentally it went away with the stock pilot bearing. Then I sold the car. |
05-05-2013, 11:10 PM | #10 | |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Quote:
Used OEM flywheel and pilot bearing - from what I hear, their pilot bearings are superb and are better to use than the pilot bearing that came with the clutch kit, so we used it.. I didn't see any loctite or anything on it, so I'm not sure - maybe you got a one-off? |
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05-06-2013, 05:29 PM | #11 | |
Scooby Specialist
Member#: 23313
Join Date: Aug 2002
Location: Collegeville,Pa
Vehicle:99' 2.5Rs black |
Quote:
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05-06-2013, 05:45 PM | #12 | |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Quote:
Here's the parts list:
does this help? |
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05-06-2013, 09:22 PM | #13 |
Scooby Newbie
Member#: 324527
Join Date: Jun 2012
Location: Memphis TN
Vehicle:2013 wrx white |
Could be improper install. I know a lot of people don't recommend using the throw out bearings that come in kits, I have always tossed them and used oe. Could always rev higher like you said you do. 2k isn't going to hurt it unless you sit there and slip a lot.
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05-07-2013, 12:32 PM | #14 |
Scooby Newbie
Member#: 303849
Join Date: Dec 2011
Chapter/Region:
Tri-State
Location: Big City
Vehicle:2004 Forester Xt Silver stg2 |
hi i recently installed a COMP stage 2 clutch along with there light weight fly wheel, an used the supplied throw out bearing
I broke it in 800 miles gently. its over 6k now theres no problem with it at all. The clutch does its job n no complains from my wife n me . |
05-07-2013, 12:34 PM | #15 | |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Quote:
I'm thinking mine is starting to go away, but when motor is at operating temp, the chatter comes back.. smooth as butter when cold though! |
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05-08-2013, 01:17 PM | #16 |
Scooby Newbie
Member#: 303849
Join Date: Dec 2011
Chapter/Region:
Tri-State
Location: Big City
Vehicle:2004 Forester Xt Silver stg2 |
hello,
there was just a about 25% stiffer n it was very grabby in the break in process. No extra Noise or chatter. I would call them up and ask for tech support. During install did you use alot of grease or very little?? send me a pm if u need |
05-08-2013, 03:43 PM | #17 |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
grease? we didn't use grease on the clutch that I know of.
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05-08-2013, 10:31 PM | #18 |
Scooby Newbie
Member#: 167772
Join Date: Dec 2007
Chapter/Region:
SCIC
Location: rialto ca
Vehicle:03 wrx white |
check the rear subframe outrigger bushing. when they go metal to metal, they give a horrible clunking/chatter at take off.
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05-15-2013, 10:39 AM | #19 |
Scooby Guru
Member#: 279660
Join Date: Apr 2011
Chapter/Region:
MWSOC
Location: STL
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i am in the exact same situation as you man.
had my clutch in for about 6k miles. it's a comp stage 3 with their flywheel. it is horrible. an absolute nightmare to drive. violent shaking on take off and a ton of noise on deceleration. it's bad. i'm not sure what to do. |
05-15-2013, 10:42 AM | #20 | |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Quote:
I spun a bearing recently but I think mine was just starting to go smooth. Damn! |
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05-15-2013, 11:01 AM | #21 |
Scooby Specialist
Member#: 23313
Join Date: Aug 2002
Location: Collegeville,Pa
Vehicle:99' 2.5Rs black |
Dude he has a stage 3 clutch. The purpose of getting a better clutch is clamping force and being able to hold the power you're putting down. Once you start doing that all expectations of having a clutch that engages smoothly are gone. You children need to get that I. Your heads.
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05-15-2013, 11:28 AM | #22 | |
Scooby Specialist
Member#: 321842
Join Date: May 2012
Chapter/Region:
NESIC
Location: New Hampshire
Vehicle:08 460/420w 08 STi 17 Stock WRB WRX |
Quote:
Wouldn't the fact that this is full face and sprung it shouldn't chatter, or why would it? My bad for misunderstanding.. |
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05-15-2013, 12:11 PM | #23 |
Scooby Specialist
Member#: 23313
Join Date: Aug 2002
Location: Collegeville,Pa
Vehicle:99' 2.5Rs black |
So because it's a full face clutch it should drive like stock? Lol. It says it's capable it says it can hold 150% more then stock....how do you think they do that? You don't just make a clutch that can hold more tq without giving up something.
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