Just ran into a prob today driving down the road. All sudden i had no pedal. Got it to build pressure again.. i notice as long i hold the pedal with liltte pressue on it while driving to where clutch is not engaged foot just holding pedal never loses pressure. As soon you take your foot off it 100% and go a couple blocks i have no pressure again. Anyone ran into something like this? Is this a master prob?

 

Sounds like a throw out bearing. Any leaks at all?

 

Same thing happened to me about 3 weeks after replacing clutch master. I'm hoping it just needs to be bled. It will have no press. and then I'll do like 3 mini pumps and it will be good for a couple full pumps