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Clutch problem?

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Old Sep 29, 2010 | 09:35 AM
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Clutch problem?

I have a typical evo issue. When selecting first gear from neutral it's hard to get in to gear, sometimes impossible. This just started a few weeks ago. I blamed it on numerous things, but most of the time it just slips right into gear. It's an intermitten problem. When it does slip right in, the car jerks forward an inch or so. That has actually always happened, even it my old evo but problems never arose until now. So I was thinking the clutch isn't disengaging. If I rev up to 5500 rev limit, I'd expect the clutch to drag and the car to ease forward, but it doesn't. Adjust the clutch pedal?

Here's the thing. The clutch engagement has seemed as if it's getting higher. I don't have much more room for adjustment. The clutch grabs 100% with no slipping issues. I'd say the pedal just needs adjusted, but like I said, engagement point is already pretty high. I can't think of what else I should do. Bleed the clutch? Bad slave?

Last edited by MitsuJDM; Sep 29, 2010 at 09:47 AM.
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Old Sep 29, 2010 | 09:46 AM
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if it is an aftermarket clutch you make need to remove the pill to allow more fluid to move through. had the same problem with my act but the removal of that little pill helped A LOT
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Old Sep 29, 2010 | 10:16 AM
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Originally Posted by mspandl
if it is an aftermarket clutch you make need to remove the pill to allow more fluid to move through. had the same problem with my act but the removal of that little pill helped A LOT
How can I tell if it's been removed? I bought the car with this clutch installed. I'm not even sure what kind it is. The pressure plate is white.
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Old Sep 29, 2010 | 07:42 PM
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Possible I have my pedal "over adjusted"? As I said, the clutch engagement has been seeming high. Normal wear. Again NO slipping. But a friend was taking a look at it with me and noticed that if you disengage the clutch, but don't put the pedal to the floor, the trans slides into gear with a little more ease and doesn't jerk forward when placed into first gear. Thinking if I adjust my pedal to grab closer to the floor may help. Weird right? He suggested this. I have not yet tried it, but I'm going to try. He explained what he thinks is going on, but it was really difficult to understand. And I understand how a clutch works pretty well. What he said did make sense, it just slips my mind at the moment.
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Old Sep 30, 2010 | 11:12 AM
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u can tell if the pills been removed on the clutch line if you have an aftermarket clutch ss line....i have an act hdss with prolite flywheel went through 2 of the clutches in 5,000 miles due to defects, now when the 3rd clutch went in put in the AMS ss clutch upper and lower lines, engagement is better and when im drivin hard clutch pedal stays consistent
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Old Sep 30, 2010 | 11:41 AM
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could also be that your clutch master cylinder is going out
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Old Sep 30, 2010 | 12:22 PM
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My stock clutch grabbed going into first and reverse a few thousand miles before the clutch went out. Fluid was changed at 40k, didnt help. Replaced clutch and fluid, now falls right into gear. Just a thought.
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Old Sep 30, 2010 | 03:30 PM
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Originally Posted by Dallas J
My stock clutch grabbed going into first and reverse a few thousand miles before the clutch went out. Fluid was changed at 40k, didnt help. Replaced clutch and fluid, now falls right into gear. Just a thought.
Well I don't think the clutch is actually going bad. It still has plenty of grip. I don't notice any slippage at all. My old Evo did this on occasion as well.

It's not so much the small jerk forward that's bugging me because, to be honest, this car has done it since I bought it 9000 miles ago. Again so did my old Evo. My major concern is it locking me out of gear COMPLETELY. If I were to turn the car off, it goes into gear just fine. Then re-start the car in gear and then it'll glide into other gears perfectly fine. I park my car in neutral as well as sit at stoplights in neutral, but I'm afraid to do this now, haha. Though it's not my DD so whatever.

My dad had this issue with his VIII MR and the dealer replaced the aftermarket clutch with an OEM clutch and the problem is gone. The clutch wasn't slipping or going bad in that sense.

Ahh well, if getting a clutch is the only way to fix it, then so be it. Though it's a clutch related problem, I'm not so sure it's the clutch itself. I'd like to build the trans while I have it out, but I just don't have the money That's why I'm hoping it's not the clutch.
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Old Sep 30, 2010 | 04:15 PM
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I think in my case it had to do with the tolerance on the splines getting looser from wear over the years. Then it was able to wobble around causing drag right when you push in the clutch.

Try in the clutch and holding if for 5 sec or so then put it in gear. Does it still lock you out?
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Old Sep 30, 2010 | 09:55 PM
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Same exact symptoms occurred with my Spec-V with an aftermarket clutch. I thought it was the slave cylinder at first but kept getting worse and worse. Finally went out on me completely(wouldn't go into gear at all) and when I dropped the transmission, pieces came out with it. I had damaged several parts of the clutch. Good luck with it though.
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Old Sep 30, 2010 | 09:56 PM
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Oh, I never experienced any slippage at all either.
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Old Oct 1, 2010 | 03:44 AM
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Originally Posted by Dallas J
I think in my case it had to do with the tolerance on the splines getting looser from wear over the years. Then it was able to wobble around causing drag right when you push in the clutch.

Try in the clutch and holding if for 5 sec or so then put it in gear. Does it still lock you out?
I think that's what a friend of mine was saying about my clutch being over adjusted since the engagement is high. That when I push the clutch so far down the pressure plate is disengaging but the throwout bearing I guess is pushing the springs in so far they're contacting the disc thus causeing slight drag.

If you push the clutch in 3/4 to the floor the problem is pretty much non existent. I haven't adjusted the clutch yet. But I will this afternoon. And before I do I'll try holdin it in for 5 seconds like you said.
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Old Oct 1, 2010 | 09:19 AM
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Oh my god this dumb car. It's hardly doing it today. It's still doing the small jump foward as it always has. I've driven other evos and other cars that have done this as well. But today it's not totally locking my out of gears, which is my major complaint, thankfully.

I think it's more so just when it's cold and since the temperature has been dropping.... Maybe I'm just making excuses. But right now it's ok. Why would this be intermittent? Usually mechanical problems are consistent.
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Old Oct 1, 2010 | 09:34 AM
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Mine is doing the same exact thing and I just rebuilt my Exedy twin and a fully rebuilt evo VIII trans at AWD... its mad annoying and doesnt happen all the time but when the trans is cold its next to impossible to get it into gear.

I have the jerking forward and backward issue when getting it into gear when it is cold like the clutch isnt totally engaged and I do get slight lock out in 1st and reverse only when I am at a stop sometimes.

Once the trans is totally warm it goes away... I have come to the conclusion that its the fluid in the trans being warm causing the issue and that I just have to be careful until I know the trans is totally warmed up... Part of the reason why i start my car in the morning and I dont drive it until the temp gauges starts to get to about 1/4 then I have to ease it into gear and be patient while it warms up...
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Old Oct 1, 2010 | 09:43 AM
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I had a similar problem for a while with my act. I replaced the clutch lines to SS lines and changed the the rod from the slave to the fork (someone makes a different length rod i think i got form lancer shop). If i remember correctly, the rod is what fixed the problem
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