Digging up this old thread.
My car had to be on a tow truck on Saturday because the clutch master cylinder suddenly started leaking and then had no pressure in it at all within a couple of hours. Couldn't get into any gears and pedal didn't come back up after pressing it down. Had to pay $250 for the tow truck

Ok... a bit of history.. I had the master cylinder replaced for the first time when car had around 20,000km.. Then, not long after that, around less than another 10,000km it started creaking again, the dealer didn't give it another replacement but lube it and the creak went away for 4-5000km then I use silicon spray regularly every 5k km or so..

Today at my mechanic's, we took out the old whole master cylinder unit and replaced it with a new one from Honda. Paid another $220 for just the part!
Here is a photo of the old one and where the problem is.
The whole unit.

Remove this clip with the pliers to see the wear inside the push rod.

The arrow points where the wear is.


It is very stupid that the whole unit has to be bought. The wear is at the plastic push rod before the seal. It has been bad that made me thinking that my clutch (after market) is the heaviest I have ever driven. I think this is the reason of my premature wear of my old ORC clutch that only lasted 10k kms. (I have been driven 2-3 manual cars before I owned the euro and all of them never had clutch replaced) After we put in the new unit, my clutch just feels a tad heavier than other cars with stock clutch.

Before it started leaking, there had not been any creaking for about a year... So watch out for this guys..