Master Cylinder: Removal
WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.
Disconnect electrical wiring at master cylinder reservoir and pressure sensor(s). Connect a vinyl tube to air bleeder valve. Drain brake fluid from each air bleeder valve, depressing brake pedal to empty fluid from master cylinder. Remove brakeline flare nuts and plug brakelines at master cylinder. Remove master cylinder mounting nuts, and remove master cylinder assembly from vehicle.