| 1. |
Place clean shop cloth beneath brake
master cylinder to prevent brake fluid spills. |
| 2. |
With ignition OFF and brakes cool,
apply brakes three to five times, or until brake pedal effort increases
significantly, in order to deplete brake booster power reserve. |
| 3. |
Fill brake master cylinder reservoir
with GM approved brake fluid from a clean, sealed brake fluid container.
Ensure that brake master cylinder reservoir remains at least half
full during bleeding procedure. Add fluid as required to maintain
proper level. |
| 4. |
Install box end wrench onto righthand
rear wheel hydraulic circuit bleeder valve. |
| 5. |
Install a clear hose over end of bleeder
valve. |
| 6. |
Submerge open end of clear hose into
a clear container partially filled with GM approved brake fluid
from a clean, sealed brake fluid container. |
| 7. |
Have an assistant slowly depress brake
pedal fully and maintain steady pressure on pedal. |
| 8. |
Loosen bleeder valve to purge air from
wheel hydraulic circuit. |
| 9. |
Tighten bleeder valve, then have assistant
slowly release brake pedal. |
| 10. |
Wait 15 seconds, then repeat steps
seven through nine until clean bubble free fluid flows from bleed
valve. |
| 11. |
Repeat steps four through 10 on wheels
in following order: Lefthand front, lefthand rear, then righthand
front. |
| 12. |
After completing final wheel hydraulic
circuit bleeding procedure, ensure that each of four wheel hydraulic
circuit bleeder valves are properly tightened. |
| 13. |
Fill brake master cylinder reservoir
to maximum fill level with GM approved brake fluid from a clean,
sealed brake fluid container. |
| 14. |
Slowly depress and release brake pedal.
Inspect feel of brake pedal. |
| 15. |
If brake pedal feels spongy, repeat
bleeding procedure again. |
|
Brake Drum, Reface
Brake Line R&R