Clutch Issues

[salad]

Got a bit of a strange clutch related problem and I was wondering if anyone could help me with it. Lately I've noticed that my clutch has started engaging a lot higher then normal.. and that it has been slipping in gear, I thought it might be the clutch itself but I checked over everything else just to make sure. Anyway did a bleed of the system and I noticed that as soon as I cracked the bleed nipple on the slave that the pressure in the system bled out and the clutch fork went back into its normal position.

So whats happening is with the pedal up, the hydraulic system is retaining pressure some how, this is only a new problem as nothing else like pedal adjustment has been touched. I've tried doing a full bleed and it usually works fine for a while, until about 45 mins of driving and it goes shit again...

Can anyone shed some light as to what the problem might be?

[BAMR33]

Perished seal in slave cylinder possibly.. fluid level not dropping? Might still be a bit of air in the system, maybe try bleeding the system again.

[salad]

There is some fluid weeping out the back of the master in the cabin, but the fluid level doesnt drop much, then again it doesnt get driven much. Bleed has been done so many times a bottle has gone through it.. fairly sure there's no air in the lines.

[turboedsloth]

if theres fluid weeping out the master cylinder its buggered. nw ones are cheap just get one replace the old unit an bleed the thing

[Green_s13]

i had a very similar problem after driving the clutch pedel would change in pick up point, after thinking the same thing that is was either the master or slave cylinder it didn't fix it, i pulled the gearbox off, the throwout bearing was stuffed and also the clutch faces had worn out, i haven't put it all back together as i ordered a new clutch and throw out bearing, however after talking to a few places they said that a worn throw out bearing will cause this.

[Simon-S14]

I just helped salad rebuild both his master and slave today, then did a full bleed and ran just about an entire bottle through it. Seems to be ok now but during the hour of driving it the engangement point went from just before half way to just above halfway... so im not sure if it has solved the issue or not.

[BAMR33]

I just helped salad rebuild both his master and slave today, then did a full bleed and ran just about an entire bottle through it. Seems to be ok now but during the hour of driving it the engangement point went from just before half way to just above halfway... so im not sure if it has solved the issue or not.

As long as it stays there it should be good. Mine at the moment engages nearly at the top, painful.

[turboedsloth]

usually they engage an inch or so before the top of pedal travel. on most standard cars anyway