Question 1

In an overall bleeding sequence, which part should be bled first?

Accepted Answer

A) Combination valve 
B) Master cylinder 
C) Brake calipers 
D) Wheel cylinders 
A) Combination valve 
B) Master cylinder 
C) Brake calipers 
D) Wheel cylinders B

Question 2

Air in the brake hydraulic system can cause all EXCEPT ________.

Accepted Answer

A) May require the driver to "pump up" the brakes before they will stop the vehicle 
B) Lower than normal brake pedal 
C) Spongy brake pedal 
D) Hard brake pedal 
A) May require the driver to "pump up" the brakes before they will stop the vehicle 
B) Lower than normal brake pedal 
C) Spongy brake pedal 
D) Hard brake pedal D

Question 3

Why do many vehicle manufacturers recommend that brake fluid be changed regularly?

Accepted Answer

A) The boiling point of the brake fluid decreases 
B) Brake fluid absorbs moisture over time 
C) Old brake fluid can cause rust and corrosion of brake system components 
D) All of the above 
A) The boiling point of the brake fluid decreases 
B) Brake fluid absorbs moisture over time 
C) Old brake fluid can cause rust and corrosion of brake system components 
D) All of the above D

Question 4

Technician A says that the bleeder valves must be located at the highest part of the caliper or wheel cylinder. Technician B says that the bleeder valves have a hole in the center. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 5

Which of these is NOT a method of brake bleeding?

Accepted Answer

A) Vacuum 
B) Pressure 
C) Release 
D) Manual 
A) Vacuum 
B) Pressure 
C) Release 
D) Manual

Question 6

Why shouldn't a service technician depress a brake pedal all the way down when bleeding brakes?

Accepted Answer

A) It builds too much pressure 
B) The brake pedal could bind 
C) The sealing cups can be damaged 
D) The sealing cups would uncover the compensating port 
A) It builds too much pressure 
B) The brake pedal could bind 
C) The sealing cups can be damaged 
D) The sealing cups would uncover the compensating port

Question 7

Vacuum is applied where during vacuum bleeding?

Accepted Answer

A) At each wheel brake bleeder valve 
B) At the master cylinder reservoir 
C) At the metering valve end of the combination valve 
D) At the vacuum booster check valve 
A) At each wheel brake bleeder valve 
B) At the master cylinder reservoir 
C) At the metering valve end of the combination valve 
D) At the vacuum booster check valve

Question 8

Manual brake bleeding ________.

Accepted Answer

A) Is most commonly used 
B) Requires two people 
C) Is the least expensive method 
D) All of the above 
A) Is most commonly used 
B) Requires two people 
C) Is the least expensive method 
D) All of the above

Question 9

When manually bleeding the wheel brakes, press the brake pedal rapidly to the floor.

Accepted Answer

A) True 
 B)False

Question 10

Technician A says that a bleeder screw wrench is needed to manually bleed brakes. Technician B says that a length of plastic hose and clear jar should be used when manually bleeding brakes. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 11

Bleeding is complete when a stream of fluid free of air bubbles flows from the bleeder screw.

Accepted Answer

A) True 
 B)False

Question 12

The brake bleeding procedure usually specified for a rear-wheel drive vehicle with a dual split master cylinder is ________.

Accepted Answer

A) LR, RR, LF, RF 
B) RF, LR, LF, RR 
C) RR, LR, RF, LF 
D) LF, RF, LR, RR 
A) LR, RR, LF, RF 
B) RF, LR, LF, RR 
C) RR, LR, RF, LF 
D) LF, RF, LR, RR

Question 13

Pressure bleeding requires ________.

Accepted Answer

A) A special adapter to fit the wheel cylinders 
B) A special adapter to fit the master cylinder 
C) Only two technicians 
D) No special tools or adapters 
A) A special adapter to fit the wheel cylinders 
B) A special adapter to fit the master cylinder 
C) Only two technicians 
D) No special tools or adapters

Question 14

Two technicians are discussing bleeding air from the brake hydraulic system. Technician A says to depress the brake pedal slowly and not to the floor to prevent possible seal damage inside the master cylinder. Technician B says to wait 15 seconds between strokes of the brake pedal. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 15

Technician A says to bleed the conventional brake system before bleeding the ABS modulator. Technician B says a scan tool may be required to bleed the ABS modulator. Which technician is correct?

Accepted Answer

A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B 
A) Technician A only 
B) Technician B only 
C) Both technicians A and B 
D) Neither technician A nor B

Question 16

The usual maximum pressure that should be used when pressure bleeding a brake system is ________.

Accepted Answer

A) 70 psi 
B) 50 psi 
C) 30 psi 
D) 20 psi 
A) 70 psi 
B) 50 psi 
C) 30 psi 
D) 20 psi

Question 17

Pressure bleeders are charged to approximately 300 psi (2069 kPa).

Accepted Answer

A) True 
 B)False

Question 18

Vacuum bleeding requires ________.

Accepted Answer

A) Metering valve override 
B) A pump handle to be squeezed to create a partial vacuum in a catch bottle. 
C) Both A and B 
D) Neither A nor B 
A) Metering valve override 
B) A pump handle to be squeezed to create a partial vacuum in a catch bottle. 
C) Both A and B 
D) Neither A nor B

Question 19

The button on the ________ valve should be held when pressure bleeding the brakes.

Accepted Answer

A) Residual check 
B) Metering 
C) Proportioning 
D) Pressure-differential 
A) Residual check 
B) Metering 
C) Proportioning 
D) Pressure-differential

Question 20

Discharge the power brake booster before manually bleeding the brakes.

Accepted Answer

A) True 
 B)False

Exam 97: Brake Bleeding Methods and Procedures

In an overall bleeding sequence, which part should be bled first?

Air in the brake hydraulic system can cause all EXCEPT ________.

Why do many vehicle manufacturers recommend that brake fluid be changed regularly?

Technician A says that the bleeder valves must be located at the highest part of the caliper or wheel cylinder. Technician B says that the bleeder valves have a hole in the center. Which technician is correct?

Which of these is NOT a method of brake bleeding?

Why shouldn't a service technician depress a brake pedal all the way down when bleeding brakes?

Vacuum is applied where during vacuum bleeding?

Manual brake bleeding ________.

When manually bleeding the wheel brakes, press the brake pedal rapidly to the floor.

Technician A says that a bleeder screw wrench is needed to manually bleed brakes. Technician B says that a length of plastic hose and clear jar should be used when manually bleeding brakes. Which technician is correct?

Bleeding is complete when a stream of fluid free of air bubbles flows from the bleeder screw.

The brake bleeding procedure usually specified for a rear-wheel drive vehicle with a dual split master cylinder is ________.

Pressure bleeding requires ________.

Technician A says to bleed the conventional brake system before bleeding the ABS modulator. Technician B says a scan tool may be required to bleed the ABS modulator. Which technician is correct?

The usual maximum pressure that should be used when pressure bleeding a brake system is ________.

Pressure bleeders are charged to approximately 300 psi (2069 kPa).

Vacuum bleeding requires ________.

The button on the ________ valve should be held when pressure bleeding the brakes.

Discharge the power brake booster before manually bleeding the brakes.

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