bleeding brakes

So i bought an 06 A3 and have been doing the maintenance checks on it, after changing the pads, i went to bleed them (with power bleeder) all IAW bentley and the right rear has zero fluid coming out. Checked the bleeder nipple, caliper and whole line leading to the ABS and it is clear. Tried...

First job completed on the A3 with moderate success and a few tips for those who are up for the challenge. I followed the procedure and method in this excellent post: Post in thread 'Brake servo / booster replacement help please'...