Comp clutch stage 2/ trans issue- sudden chatter - EvoXForums.com - Mitsubishi Lancer Evolution X Forums
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Evo X Transmission & S-AWC System Discussion for transmission, axle, driveshaft, and related systems that are unique to the Evo X. IF THE TOPIC IS COMMON WITH OTHER LANCERS, PLEASE POST IT IN: '08+ Lancer Common.

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Old 12-21-2017, 08:20 PM   #1
Sik_evoX
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Comp clutch stage 2/ trans issue- sudden chatter

My transmission/ comp clutch stage 2 has started to behave strangely. The clutch was installed 2.5 yrs/ ~30,000 miles ago and has been flawless since installation. Recently I have had the following issues:
  • Spongy/ creaky clutch pedal feel, sometimes I feel a tapping/ vibration through the clutch pedal when pressed in 1-2".
  • Grabby engagement all gears, most pronounced in 1st gear.
  • Audible shuffling noise on engagement
  • Chatter/ Vibration on engagement, especially 1st gear
  • All symptoms worst in reverse and on an incline.

The car is my daily- never launched, ever. I am on the revised CMC, clutch pill is in, fluid level is within spec. I peaked into the rubber window under the trans the spring clip appeared to be in place. Once engaged it holds power fine with no slippage.

I spoke with a helpful rep at CC, he thinks it could be the disc is at the end of it's life but agrees the it is a little low on the miles...he mentioned most discs on the Evo X make it to around 50k.

Has anyone with this clutch experienced this issue after some miles on this clutch? Could the stock CMC be causing these symptoms? Any input is appreciated!
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Old 01-12-2018, 08:26 PM   #2
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Old 01-13-2018, 08:49 PM   #3
turismolover22
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with the clutch pill still installed it does exaggerate wear. it also allows the PP to float in engagement much longer than if you were to not have it installed.

Perhaps consider removing it and seeing if driveability improves. It takes about 5 mins max to remove and rebleed
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Old 02-21-2019, 05:34 PM   #4
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Thread update: about 6 months after this original post my clutch finally gave out. The culprit? Failed Competition clutch throw out bearing. After a new OEM bearing and ACT monoloc collar everything was good as new. So if you are having the symptoms I posted watch out!

As a side note my stage 2 clutch disc was still at 90%+ life after 30k miles, this is with no launches or track use just daily driven.
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