Rotor lateral runout is greater than specification. This would most likely result in:
A. Vibration while braking.
B. Spongy brakes.
C. A hard brake pedal.
D. A low brake pedal. - ANSWER A
Technician A says the parking brake adjustment may prevent the drum from fitting
over new brake shoes. Technician B says some parking brakes are adjustable at the
parking brake lever. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B - ANSWER C
On a three-channel ABS system:
A. The front wheels will share an ABS sensor.
B. The rear wheels will share an ABS sensor.
C. The left side will share an ABS sensor.
D. The right side will share an ABS sensor. - ANSWER B
The drum brake squeaks when the brakes are applied. Technician A says the shoes
may be worn out. Technician B says the drum may be out of round. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B - ANSWER A
A car with a vacuum brake booster is idling too fast. When the vacuum line going to
the brake booster is crimped shut the idle decreases to normal. Which of the
following is the most likely cause?
A. The vacuum check valve is leaking.
B. The metering valve is leaking.
C. The proportioning valve is leaking.
D. The brake booster is leaking. - ANSWER D
A vehicle pulls to the left while braking. All of the following could cause this EXCEPT:
A. Sticking right front caliper piston.
B. Sticking metering valve.
C. Worn suspension components.
D. Restricted right front brake line. - ANSWER B
The parking brake will not fully release. All of the following could be the cause
EXCEPT:
A. Air in the brake fluid.
B. Binding parking brake cable.
C. Broken return spring.
D. Rusted actuator piston. - ANSWER A
, The disc brake rotor thickness variation is greater than specification. This would
most likely result in:
A. Pedal pulsation.
B. Spongy brakes.
C. A hard brake pedal.
D. A low brake pedal. - ANSWER A
The height sensing proportioning valve:
A. Limits the rear brake pressure when the rear is fully loaded.
B. Limits the rear brake pressure when the rear is lightly loaded.
C. Limits the front brakes when the front is fully loaded.
D. Limits the front brakes when the front is lightly loaded. - ANSWER B
A vehicle is equipped with a vacuum brake booster. When the engine is running and
the brakes are applied there is a constant sound of air movement (vacuum) around
the brake pedal area. Technician A says the vacuum check valve is leaking.
Technician B says the vacuum booster is leaking. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B - ANSWER B
Technician A says some wheel speed sensors are adjusted using a feeler gauge.
Technician B says some ABS wheel speed sensors are adjusted using a paper
spacer, which comes with the new wheel speed sensor. Who is correct?
A. A
B. B
C. Both A and B
D. Neither A nor B - ANSWER C
The technician is replacing a section of steel brake line. The brake line should be cut
with a:
A. Hacksaw.
B. Tubing cutter.
C. Torch.
D. Pipe cutter. - ANSWER B
Which of the following would be considered maximum thickness variation for a disc
brake rotor?
A. 0.0005"
B. 0.002"
C. 0.010"
D. 0.025" - ANSWER A
Which of the following would cause a glazed drum?
A. A dragging shoe
B. Air in the hydraulic system
C. Missing brake shoe lining
D. A frozen wheel cylinder - ANSWER A
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