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TOB clip popped off after install

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Old Feb 11, 2018, 06:53 AM
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TOB clip popped off after install

Hey guys,

So I'm more or less just venting here... but also wondering if this has ever happened to anyone else. I've replaced clutches in a handful of evos now, including my own; twice. It was time for a new clutch so I bought an exedy twin and all the fluids/seals/etc to go with it (Thanks STM!).

On day one I got the trans and everything out. Then the holidays came up, some work stuff, and parts were coming in. A week or two later I got the clutch in and everything prepped to go back together. The next day I got the transmission in without much issue surprisingly (by myself on the floor). I was very careful not to hit the wave clip as usual because i made that mistake before. So I bolted her up, torqued her down, and popped the TOB onto the clip. Everything looked and felt good.

Fast forward a week or so to yesterday afternoon, I put the entire car back together, everything again went pretty smooth for the most part, and filled all of the fluids. At 10:30pm I decided to pull her outta the garage before calling it a night. I went to push the clutch in and I heard a pop as the pedal went to the floor. My eyes got wide, my heart sank, and I knew before confirming what had happened...

I removed the slave cylinder, jacked the car up, and looked into the inspection hole to find the TOB no longer clipped into the wave spring clip. As I moved the clutch fork back and forth, the wave spring clip wiggled around and wouldn't clip back onto the TOB. I think what might have happened was the TOB wasn't fully seated into the clip and when I went to push the clutch in, it popped off of the TOB and the force knocked it off of the wave clip.

I'm pretty tight for free time these days, so naturally I was pretty upset last night. Luckily the hammer didn't find it's way through the windshield, as much as it wanted to. So yeah, there it is... someone hold my hand. lol
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Old Feb 11, 2018, 07:46 AM
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Did you install a clutch stop or ACT Monoloc?
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Old Feb 11, 2018, 07:52 AM
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Originally Posted by Spoolin4g63 View Post
Did you install a clutch stop or ACT Monoloc?
Yes I have the STM clutch fork stop but no I didn't shoot for the ACT Monoloc at first. It's currently in my shopping cart though. I don't think the clutch stop would've prevented it though. It happened as soon as I pressed the clutch in.
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Old Feb 11, 2018, 09:28 AM
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What do you guys think of push/pull conversion vs. the ACT monoloc?
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Old Feb 11, 2018, 10:39 AM
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Just get a monoloc. They're bulletproof. I always push the fork by hand to seat the release clip after I have the trans mated to the engine and before I start putting anything back together.
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Old Feb 11, 2018, 10:53 AM
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I debated push or pull after having the same issue. Have a brand new QM twin and the now rebuilt Exedy twin HD with polished legs and decided to put the Exedy in with a monoloc. Hoping there are no problems. Good luck!
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Old Feb 11, 2018, 11:43 AM
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Originally Posted by ayoustin View Post
Just get a monoloc. They're bulletproof. I always push the fork by hand to seat the release clip after I have the trans mated to the engine and before I start putting anything back together.
yeah I did the same but next time Iíll throw the slave cylinder on and give the pedal a feel to make sure it wonít come off.
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Old Feb 11, 2018, 01:56 PM
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Happened to me before, forgot to lock the tb into the clip after the install, finished everything up and went to snap it in and the wave clip was hanging on the input shaft....... Needless to say I was pretty frustrated lol. Get a monolock. Had mine for years no issues
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Old Feb 11, 2018, 02:06 PM
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Originally Posted by hiboost2.0 View Post
Happened to me before, forgot to lock the tb into the clip after the install, finished everything up and went to snap it in and the wave clip was hanging on the input shaft....... Needless to say I was pretty frustrated lol. Get a monolock. Had mine for years no issues
Yeah I ainít about that wave clip life anymore... lol I just ordered a Monoloc, should be here midweek sometime.
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Old Feb 11, 2018, 11:21 PM
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Before the ACT Monoloc, I popped my TOB three times with my exedy twin.
Hasn't happened since the monoloc. Thank you ACT for saving me from throwing hammers on my windscreen.
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