ASE A5 Brake System Quiz 2

The front brakes of a vehicle with a front disc rear drum brake system skid when the brakes are first applied. Which of these is causing this skid condition?

• Proportioning valve.

• Metering valve.

• Pressure differential switch

• Contaminated brake fluid

A vehicle’s brake lights are completely inoperative. Technician A says the brake light switch may be stuck closed. Technician B says the circuit may have shorted and blown a fuse. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

An integral drum parking brake system is being discussed. Technician A says a binding cable will prevent parking brake application. Technician B says this system contains a brake strut. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

Two technicians are discussing electric parking brake systems. Technician A says these systems require many manual adjustments. Technician B says a special procedure must be followed before replacing the brake pads. Who is correct?

• Technician A

• Technician B

• Both A & B

• Neither A or B

A technician is measuring the inside diameter of a brake drum with a brake drum micrometer. The technician should use which of the following measurements.

• The smallest measurement.

• A brake drum tool is not used.

• The average of all the measurements.

• The largest measurement.

Two technicians are discussing brake backing plates. Technician A says if a ridge has formed on the pads where the shoes rest they may be filed to restore a smooth finish. Technician B says to apply bearing grease to reduce brake squeak. Who is correct?

• Technician A

• Technician B

A vehicle has a low brake pedal. Technician A says an improperly adjusted brake pedal could be the cause. Technician B says overheated brake fluid could cause this condition. Who is correct?

• Technician A

• Technician B

• Both A or B

• Neither A or B

Technician A says a low brake pedal can be caused by the hydraulic ABS unit. Technician B says a faulty master cylinder can result in a low brake pedal. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B

Technician A says to adjust a height sensing proportioning valve while on the lift. Technician B says to adjust a height sensing proportioning valve at vehicle curb ride height. Who is correct?

• Technician A

• Technician B

• Both A & B

• Neither A or B

The ABS warning light is illuminated on a vehicle. The LF wheel speed sensor’s tip and tone ring are damaged. Technician A says to check the wheel bearing for looseness. Technician B says an insufficient gap may have caused this damage. Who is correct?

• Technician A

• Technician B

• Both A and B

• Neither A or B