Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
It wont is the easy answer, i find well over 95% of the masters need to be bled the way i said, also forgot to mention make sure both the holes from reservoir to bore are clear one is tiny
I find assembly of brake seals etc easier with rubber grease or silicone grease, the parts just offer less "snagging" and resistance in the situation you describe.
Prefer to leave it assembled with grease present on the outside rather than remaining brake fluid.
Have a close, very close, look at the bore where the seal catches to make sure any previous corrosion has not left it effectively undersized.