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Clutch/Master Cylinder BS, need advice

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Old Nov 3, 2008 | 03:51 PM
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Clutch/Master Cylinder BS, need advice

So I was driving today and I noticed that it was getting prgressively harder to put my car into gear. Eventually it got to the point where I could no longer put my car into gear with my clutch, and I had to rev match every shift just to get the stupid thing home.

I believe that what was happening was the clutch was not disengaging, since the drive shafts were still getting power even though the clutch was depressed. So here's my problem, what's wrong? My first thought before I got locked out was synchros, but it became clear that this wasn't the problem. My second thought was that the clutch had gone, but then it wouldn't be grabbing, and I would have the opposite problem. My third (and most plausible) idea was that the master cylinder had gone.

So when I got home I started inspecting, and I can't find any leaks with the master cylinder, and it is still engaging the clutch fork. But I don't know if it's engaging it enough.

So what do you guys think? Is it the clutch, the master cylinder, or is it something else?
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Old Nov 3, 2008 | 04:04 PM
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It might not be pushing the fork completely. I had a friend who had a fork that was like 1/16 of an inch of engaging. I have these problems too with mine. Only when its cold. You may want to change the gear lube. Then again, It could be the clutch. You can also adjust the pedal and see if that helps.
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Old Nov 3, 2008 | 04:59 PM
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no the same thing happen to me is the pressure plate mine broke like 6 teeths and it will only go in to gear wen the car was off.
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Old Nov 3, 2008 | 05:04 PM
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That sounds wonderful, how much did you pay to have it fixed? Could you put it in gear by rev matching?
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Old Nov 3, 2008 | 05:28 PM
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no i did not try
im good frinds with a mecanic so it was like 250 and i had to put the stock pressure pale back on.
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Old Nov 3, 2008 | 05:34 PM
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Originally Posted by biglou360
no i did not try
im good frinds with a mecanic so it was like 250 and i had to put the stock pressure pale back on.
What kind of clutch did you have in it before?
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Old Nov 3, 2008 | 05:40 PM
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rrm stage3
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Old Nov 3, 2008 | 05:53 PM
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not that im saying that they are bad quality or any thing i just happen to have gotten a bad one any how i talk to act and they going to take care of it
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Old Nov 3, 2008 | 07:28 PM
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Originally Posted by biglou360
not that im saying that they are bad quality or any thing i just happen to have gotten a bad one any how i talk to act and they going to take care of it
Did it make any noise prior to this happening?
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Old Nov 4, 2008 | 08:07 AM
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Did you inspect inside of the car underneath the clutch master boot for any weepage out of the input seal? Any signs of leakage means it needs to be replaced. Inspect the the clutch fork pivot ball, I have seen some instantses where the ball never had lube and worn through the fork or even excessive play on the pivot ball causing inaccurate fork throw. There is a bunch more i can have you inspect but that requires more time. I would check those first. If you have any questions give me a buzz.
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Old Nov 4, 2008 | 05:46 PM
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From: Bridgeport (c.t.)
Originally Posted by Cow town racer
Did it make any noise prior to this happening?
no that i remember
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Old Nov 4, 2008 | 06:44 PM
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My first clutch master failed at 60K my second at 66K and I'm on my third one right now.

My car's in the shop, it needs to have 1st and 2nd synchro's replaced and a new throw out bearing installed. I switched over to a Works Stage 1 clutch at 46K miles.

Sorry for the vagueness I'm sort of in a crap mood right now since I have to find a used tranny or shell out for new parts galore.
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Old Nov 4, 2008 | 10:20 PM
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I can't find any leakage/weepage anywhere. And how would I tell if the pivot ball was screwed?

And bruce, I'm sorry to hear that, but do you have any input about my question? I don't care if you're hijacking my thread, but since you have alot of experience with this (three clutches, your master cylinder), I thought maybe you would have some input?
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Old Nov 5, 2008 | 06:53 AM
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Weird, I think my first post didn't get posted, but i responded, then decided to add a rant.. haha
Basically it asked..
When the car is off can you get in and out of gear?
Also check your fluid levels to see if you lost any fluid, that's the first sign to test for leakage because normally if you can't get into gear its gotta be a pretty big leak. Like for my clutch master, on the plate with 4 bolts holding it down, the brake fluid was spraying out of the seal as if it was a purfume bottle.

Have you tried adjusting the clutch pedal? It might have just worn itself enough to no longer grab. If you look up in the RA how-to section I wrote up a quick how-to on the clutch master for our cars.

Hope that helps.
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Old Nov 5, 2008 | 10:22 AM
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Yea, I'm locked out of the gears when the car is on and I can get into gear when the car is off.

The gears were notchy in the morning and slowly got harder and harder to get into gear. Eventually, by the end of the day, the only way to get the car into gear was to rev matching while moving, and turning the car of when stopped.

When I was driving, if I pushed the clutch and hit the gas, the drive shaft was still get power.
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