Exam 94: Brake Hydraulic Systems

If the brake pedal linkage is not adjusted correctly, brake fluid may not be able to expand back into the reservoir through the ________ of the master cylinder when the brakes get hot.

The rubber used in most brake system components will swell if exposed to ________.

Two technicians are discussing a problem where the brake pedal travels too far before the vehicle starts to slow. Technician A says that the brakes may be out of adjustment. Technician B says that one circuit from the master cylinder may be leaking or defective. Which technician is correct?

When cleaning hydraulic brake parts, use ________.

Technician A says that the brake pedal height should be checked as part of a thorough visual inspection of the brake system. Technician B says that the pedal free play and pedal reserve should be checked. Which technician is correct?

The master cylinder is able to move about how much brake fluid during each brake application?

Brakes that drag or fail to release can be caused by a ________.

If 200 psi of hydraulic pressure is applied to a two-square-inch caliper piston, the brake application force on a one-square-inch piston will be

Technician A says that the primary seal of the secondary piston is leaking if fluid is seen leaking from the rear of the master cylinder. Technician B says that air in the brake lines will cause a low brake pedal. Which technician is correct?

How much brake fluid is in a typical master cylinder reservoir?

Identify the vent ports.