In reply to a problem/question....one piece
of advice  received from the stationary
engineer at my office was to let the van
sit for a long time...overnight, and to
press the peddle very, very gently. My
engineer friend says a large amount of
pressure makes one bubble into
thousands.  

The value of this advice was confirmed by
both "Neighbour Tim" and the pleasing
sight and sound of air in the tube when
bleeding a left-rear nipple.

My kids help with this chore and even
gave me a set of curved-needle-nose Vice
Grips for Christmas.

Dino KubiK
'89 Westie Syncro