I am doing a transmission Swap and noticed my clutch slave cylinder was leaking from the boot. So I ordered a new one. I installed the new one and fluid comes gushing out from the hose connection. I have taken off the connection a bunch of times now and tried reinstalling it to somehow magically make it seal. I've looked over the new cylinder and there are no cracks or abnormalaties. What is it that I'm missing? I'm sure it's something painfully obvious

 

Not sure on the Mini but it sounds like your missing the crush washer. Its a soft metal (copper) washer that makes the seal.

 

yes you are missing the really small o ring. its probably stuck in the inside of the old cylinder still. it goes over the metal tip you insert in the slave.
good luck finding it!

do you have a pressure bleeder? it will make your life easier once it comes time to bleed the system, is a pita.

 

When you find the seal, put it on the hose not in the slave cylinder. The seal sits completely on the hose. It should click twice when it is on correctly, you'll see what I mean once you've done it.

 

thanks i forgot to mention that.

 

Found the little rubber insert, got it on and it looks like it's sealing!

Thanks for the help!