Deck 11: Brake System Service

Question 1

Technician A says the procedure illustrated is a method of seating new pads.Technician B says the procedure illustrated shows checking for a seized caliper piston by attempting to retract it.Who is correct? ​

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Answer 1

B

Question 2

Bench bleeding removes the air, prefills the master cylinder, and reduces the amount of bleeding that needs to be done on the vehicle.

Answer 2

True

Question 3

All of the following statements about bench bleeding master cylinders are true EXCEPT:

A)Bench bleeding removes the air.
B)Bench bleeding is most effective when the fluid is allowed to squirt out into the bench.
C)Bench bleeding prefills the master cylinder.
D)Bench bleeding reduces the amount of bleeding that needs to be done on the vehicle.

Answer 3

B

Question 4

When performing manual bleeding, with which wheel should you usually start?

A)right front wheel
B)right rear wheel
C)left front wheel
D)left rear wheel

Question 5

Technician A says a master cylinder can only leak internally.Technician B says a master cylinder can only leak externally.Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 6

Because the brake fluid is _____________, it should be flushed periodically.

Question 7

If the brake pedal height is incorrect, check the rear brake adjustment.

Question 8

On most vehicles, the stop lights should turn on if the brake pedal is pressed ¼ inch (6mm).

Question 9

DOT 3 and ________fluid are chemically similar and can be mixed in vehicles that specify the use of DOT 3.

Question 10

A technician is diagnosing a vehicle with a braking system problem.When she removes the filler cap to check the fluid level in the master cylinder, she notices that the rubber master cylinder cap seal is swollen and distorted.What could be the problem?

A)contamination in the brake fluid
B)dirt in the fluid
C)fluid overheating
D)incorrect type of brake fluid

Question 11

Mounted on the _______________ is the brake pedal position sensor or brake light switch.

A)master cylinder
B)brake pedal bracket
C)combination valve
D)effort gauge

Question 12

External master cylinder leaks result from leaking seals on the _________ piston.

Question 13

Brake pedal free play is described as the very slight _____________ of the ________ when released.

Question 14

Technician A says that if petroleum-based fluids enter the brake system, rapid and irreversible damage will occur to the rubber seals and hoses.Technician B says that if this occurs, every component that contains rubber will have to be replaced and all the steel lines flushed.Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 15

ISO flares and SAE flares can be interchanged if necessary.

Question 16

Brake bleeding is being discussed.Technician A says manual bleeding usually requires two people.Technician B says the shop's procedures must be followed when bleeding a vehicle.Who is correct?

A)A only
B)B only
C)Both A and B
D)Neither A nor B

Question 17

Which of the following is used on brake line fittings?

A)flaring tool
B)flare nut wrench
C)tubing bender
D)all answers are correct

Question 18

All of the following statements is correct EXCEPT:

A)The brake pedal position sensor is an input for the ABS.
B)The brake pedal position sensor is an input for the PCM.
C)The brake pedal position sensor is used only for activating the rear brake lights.
D)The brake pedal sensor is an input for the BCM.

Question 19

Some vehicles require using a ____________ ___________ to activate the ABS to bleed the hydraulic system.

Question 20

Test strips can be used to check for moisture in the brake fluid.