Hydraulic System Bleeding

1. Fill the master cylinder reservoir with brake fluid and keep it at least one-half full of fluid during the bleeding operation.
2. If the master cylinder is known or suspected to have air in the bore, then it must be bled before any wheel cylinder or caliper in the following manner:
a. Disconnect the front brake pipe at the master cylinder.
b. Allow brake fluid to flow from the front pipe connector port.
c. Connect the front brake pipe to master cylinder and tighten.
d. Depress the brake pedal slowly one time and hold. Loosen front brake pipe connection at master cylinder to purge air from cylinder. Tighten the connection and then release the brake pedal slowly. Repeat the sequence, until all air is removed from the bore.
e. After all air has been removed at the front connnection, bleed master cylinder at rear connection in the same manner as steps above.
f. If it is known that the master cylinder does not contain any air, then it will not be necessary to bleed it.
3. Individual wheel cylinder or calipers are bled only after all air is removed from the master cylinder.

Purging Air From Hydraulic System:

4. Place proper size box end wrench over bleed valve, attach a transparent tube over valve and allow tube to hang submerged in brake fluid in a transparent container. Pump the brake pedal repeatedly and hold. Loosen bleeder screw and slowly release pedal. Repeat the sequence until all air is removed.
5. If it is necessary to bleed all of the wheel cylinders and calipers, the following sequence should be followed:
a. Right rear
b. Left front
c. Left rear
d. Right front
6. Check brake pedal for "Sponginess". Repeat entire bleeding procedure to correct this condition.
7. When the bleeding operation is completed on each wheel, check the level of brake fluid in the reservoir and refill as necessary.