After starting a brake job on my Acura I ran into a problem trying to
push the caliper piston back in. I've always used the old "Big C Clamp"
trick to squeeze them back into place... but it wasn't working on my
Vigor.

I tried Googling the various groups looking for help or secrets on how
to retract / compress / collapse etc, the pistons. I eventually
discovered that the piston doesn't squeezed back into the cylinder...
but actually "screws" back in!   DOH! Another tip was you don't need
the Honda/Acura tool but can actually use a big screwdriver to screw
them back into place (screwing counter clock wise as you look at the
face of the piston)

Anyway... while these two tips allowed me to finish the job... during
my internet search I also discovered a great thread on acura legend.com
that proved invaluable. PICTURES! Any questions I had on doing the job
were answered. Some really great photos and instructions eliminates any
quesswork.

http://www.acura-legend.com/vbulletin/showthread.php?t=67976