I did something dumb today that I knew the instant I did it that from past experience was going to cause hassles.
While the bike was upside down I forced the pistons in the caliper back to change pads. Hence I now have a brake lever that has no resistance what so ever, totally floppy.
I have an Avid bled kit and have bled the brakes a couple of time with success but this time I do not know how to get that initial pressure back in the lever as the master cylinder piston must be stuck forward in the bore.

Any advice appreciated.

FYI its not my bike, I was "Helping" a mate out only to screw it up