Vacuum tank is connected to the valve of brake booster through a . . . . . . . .

Vacuum tank is connected to the valve of brake booster through a . . . . . . . . pipe?

Servo action is to

Servo action is to

Removal of air bubbles present in the braking system is called

Removal of air bubbles present in the braking system is called

The process of removing all of the old brake fluid from the hydraulic system is

The process of removing all of the old brake fluid from the hydraulic system is called