Hard part:
Purchase
a small sprayer bottle, either a $50 Motive Power bleeder
(fittings don’t work on a C4 but it does come with a
pressure gauge) or a $12 sprayer at Home Depot if you like
to assemble stuff from scratch. Purchase a C4 master
cylinder cap and some brass fittings along with some good
epoxy.
Bottom line: You’re going to
have around $80 for a power bleeder that will work as it
should on your C4.
Order of caliper bleeding: passenger
side rear, drivers side rear, passenger side front, drivers
side front.
Most drug stores give out for free
small syringes (no needle). Ask for a 30 ml syringe. They’re
free so ask for a dozen or so. Turkey basters are for
turkeys, don’t use them as they are messy and are Bush
league.
Remove the master cylinder cap. With
the free 30 ml syringe, remove the old, black brake fluid
down to the bottom of the master cylinder. If there’s black
reside, get some tissues wrapped around a screwdriver and
remove all black material. Remove it all.
Fill the master cylinder with fresh
brake fluid. Keep all container lids closed as much as
possible as brake fluid attracts water from the air and
lowers the boiling point of your new fluid.
Attach
you power bleeder to the master cylinder. Close all the
pressure relief valves. Pump the bleeder to a maximum of 15
lbs pressure.
With a 10mm wrench, a clear hose
attached over the bleeder valve run to a catch container, (
I use an old bourbon bottle with a cork drilled out just
bigger than the clear hose), crack the bleeder valve and
watch for new, clear fluid to start to show and no bubbles.
Should be about 10 -15 seconds, max. Tighten the bleeder
valve and remove the hose.
Repeat
on 3 remaining calipers.
WARNING, WARNING – Keep a close
eye on the master cylinder fluid level. If it gets half way
down, remove the power bleeder, fill up the master cylinder,
pump up the power bleeder again and resume bleeding.