Colorado 2WD V8-5.3L (2009)
7. Remove the master cylinder nuts (1).
8. Remove the master cylinder (1) and O-ring seal (2) from the power vacuum brake booster.
Inspect the O-ring seal for damage and replace, if necessary.
Installation Procedure
1. If installing a new master cylinder, bench bleed the master cylinder. Refer to Master Cylinder Bench Bleeding (See: Procedures/Master Cylinder
Bench Bleeding).
