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Old 08-12-2009, 07:28 AM   #1
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hydraulic clutch issues.

I can't figure out what is wrong with my clutch. I am not losing any fluid, but the pedal needs to be pushed to the floor to even have a chance to engage the gears. The weird thing is that the distance you have to push it will change, and sometimes it will almost feel normal, and sometimes it will barely catch at all. The Cluch and slave cylinder both have about 30k on them, the master cylinder has about 135k I believe. I don't have records and that is how many miles are on the car. I'm thinking that since it is not losing fluid that it is the seals in the master cylinder, this might also explain why the clutch changes. Does anyone have any experience with a faulty master cylinder. Is it safe to assume that the slave cylinder would leak fluid if bad. Thanks . 1999 9-3 viggen.
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Old 08-12-2009, 09:17 AM   #2
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No, the slave will not leak if it is bad, and the master will leak sometimes if it's bad. Kind of a crap shoot, but since your clutch and slave only have 30k, then maybe it's the master which are cheap. My slave is going out, but it's making noise and has intermittent engage issues, but car has 65k on it. I would first reverse bleed the slave and see if that helps. What some do is take the brake fluid cap off, place a board between the seat and the clutch making sure the clutch is depressed half way. You then leave it over night and this is supposed to get most of the air out.
Good luck.
Remember, the salve is a slave to the master. If the master is going out then there is only so much the slave can do.
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Old 08-12-2009, 09:34 AM   #3
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interesting. i dont know how i'd feel about leaving the brake fluid reservoir exposed to oxygen all night....
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Old 08-12-2009, 11:58 AM   #4
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interesting. i dont know how i'd feel about leaving the brake fluid reservoir exposed to oxygen all night....
Never tried it myself as I have a modified motive, but people swear by it. Plus it would take a hell of a lot longer then 12 hrs for O2 to contaminate your brake fluid.
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Old 08-12-2009, 12:04 PM   #5
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i could see leaving a pressure bleeder on it over night, if the air had been run through a dryer. but leaving it exposed to air all night is going to severely contaminate the fluid (it will absorb moisture out of the air, ruining it)
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Old 08-12-2009, 02:03 PM   #6
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More then likely the slave has air in it. The bleed valve can't do anything to help with that as the slave is below the bleed port.

I have the same issue right now and I have a new master cylinder in my car.



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Old 08-13-2009, 04:03 AM   #7
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I had similar symptoms to you but I could see leaking out of the clutch master cylinder when the clutch was pushed. I tried to DIY it but just could not get the last bolt out for anything . So I had to bring it in to someplace to finish it.
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Old 08-13-2009, 04:30 AM   #8
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I'm assuming your last bolt was the one in the engine bay closest to the steering rack lines. It certainly is no fun and there is a write up on here by me that explains how to get it. You end up with the socket on it cock eyed and use a breaker bar with an extension and push as hard as you can on it to keep it from rounding off the nut as you turn to loosen it. Once its loose you just go back to a regular ratchet with the extension and remove the nut. Voila.



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Old 08-13-2009, 09:25 PM   #9
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I'm assuming your last bolt was the one in the engine bay closest to the steering rack lines. It certainly is no fun and there is a write up on here by me that explains how to get it. You end up with the socket on it cock eyed and use a breaker bar with an extension and push as hard as you can on it to keep it from rounding off the nut as you turn to loosen it. Once its loose you just go back to a regular ratchet with the extension and remove the nut. Voila.
Yup. Wish I had known about this sooner lol.
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Old 08-14-2009, 04:53 AM   #10
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Yup it certainly wasn't easy at all and a bit nerve wracking to do.

I used a deep 13mm, universal joint, extension, and breaker bar. I had to use the extension so that I could clear past the strut bar with the breaker bar. It was certainly nerve wracking but the nut finally broke free which was a huge relief.



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