T4 ASE BRAKES (MEDIUM/HEAVY
DUTY BRAKES) EXAM QUESTIONS
AND ANSWERS
A A drum is chattering on the brake lathe. This could be the result of:
A. Failure to install the dampening belt.
B. Cutting too slowly.
C. Dull cutting blades.
D. Cutting speed too fast.
C A vehicle is equipped with a hydro-boost brake system has a hard pedal with little braking action.
Which of the following could be the cause?
A. Low brake fluid
B. Air in the brake fluid
C. Low power steering fluid
D. An overtightened power steering belt
D Which of the following could cause excessive noise while braking?
A. Worn wheel cylinders
B. Worn caliper pistons
C. Seized caliper slides
D. Missing clips
C A vehicle equipped with a "hill holding" option has an ABS code. Which tool would most likely be used
to check the wheel speed sensor?
A. AC volt meter
B. Ohm meter
, C. Scan tool
D. Ammeter
C The brake system has a soft, sinking pedal with the engine running. The brake fluid level is at the
correct height. Which of the following could be the cause?
A. A restricted vacuum hose
B. A leaking master cylinder
C. A bypassing master cylinder
D. A stuck open vacuum check valve
A Technician A says a hydro-boost system can use the power steering pump to operate the booster.
Technician B says a hydro-boost system can use engine vacuum to operate the booster. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B
D A disc brake caliper is dragging. All of the following could be the cause EXCEPT:
A. Binding pins.
B. Sticking piston.
C. Binding caliper.
D. Worn brake pads.
A The rear wheels of a front wheel drive car lockup during heaving breaking. Technician A says this
could be caused by a faulty proportioning valve. Technician B says this could be caused by a faulty brake
booster. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
DUTY BRAKES) EXAM QUESTIONS
AND ANSWERS
A A drum is chattering on the brake lathe. This could be the result of:
A. Failure to install the dampening belt.
B. Cutting too slowly.
C. Dull cutting blades.
D. Cutting speed too fast.
C A vehicle is equipped with a hydro-boost brake system has a hard pedal with little braking action.
Which of the following could be the cause?
A. Low brake fluid
B. Air in the brake fluid
C. Low power steering fluid
D. An overtightened power steering belt
D Which of the following could cause excessive noise while braking?
A. Worn wheel cylinders
B. Worn caliper pistons
C. Seized caliper slides
D. Missing clips
C A vehicle equipped with a "hill holding" option has an ABS code. Which tool would most likely be used
to check the wheel speed sensor?
A. AC volt meter
B. Ohm meter
, C. Scan tool
D. Ammeter
C The brake system has a soft, sinking pedal with the engine running. The brake fluid level is at the
correct height. Which of the following could be the cause?
A. A restricted vacuum hose
B. A leaking master cylinder
C. A bypassing master cylinder
D. A stuck open vacuum check valve
A Technician A says a hydro-boost system can use the power steering pump to operate the booster.
Technician B says a hydro-boost system can use engine vacuum to operate the booster. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B
D A disc brake caliper is dragging. All of the following could be the cause EXCEPT:
A. Binding pins.
B. Sticking piston.
C. Binding caliper.
D. Worn brake pads.
A The rear wheels of a front wheel drive car lockup during heaving breaking. Technician A says this
could be caused by a faulty proportioning valve. Technician B says this could be caused by a faulty brake
booster. Who is correct?
A. A only
B. B only
C. Both A and B
D. Neither A nor B
