2025 QUESTIONS AND ANSWERS
A vehicle with a front disc, rear drum brake system skids, and nosedives when the brake are
first applied. Which of the following is causing this condition? - ANS The metering valve
The red brake warning light is illuminated on the instrument panel of a vehicle with four-wheel
disc brakes. Which of these is LEAST likely to cause this warning light to illuminate? -
ANS Loose wheel speed sensor plug
The right brake light is inoperative when the brake pedal is depressed. All the other lights
function correctly. Which of the following would cause this inoperative brake light? -
ANS The right rear bulb socket.
The right rear bulb.
The manufacturer recommends performing a burnishing procedure after brake pad installation.
Technician A says to burnish brake pads make several hard high speed stops. Technician B says
this process includes light application of the brake pedal and a brief cool down period between
stops. Who is correct - ANS Technician B
The front brake pads on a vehicle with a quick take-up master cylinder need replacement. They
were recently replaced. Technician A says this is low drag brake system. Technician B says the
master cylinder quick take-up valve could be sticking. Who is correct? - ANS Both A and B
After replacing all four rotors and pads on a disc brake system, a pulsation is still felt in the
steering wheel when braking. Which of the following is MOST likely causing this vibration? -
ANS A rusty hub flange
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, A vehicle has a soft and spongy brake pedal at all times. Which of the following is causing this
spongy pedal? - ANS Air in the brake lines
A vehicle with a front disc rear drum brake system nosedives while lightly braking. Which of the
following causing this condition? - ANS The metering valve
A vehicle has a grinding noise that gets louder and changes in pitch while turning left. Which of
the following is causing this noise? - ANS A faulty right front wheel bearing
A customer states that the TCS traction control system's warning light flashes while driving in
snow and other poor weather conditions. Technician A says it is normal for the warning light to
flash when the system is active or the vehicle is losing traction. Technician B says these system
require a wheel speed sensor at each wheel. Who is correct? - ANS Both A and B
Which of the following brake fluids is silicon-based and found in special application like show
cars? - ANS DOT 5
A vehicle's brake pedal fades to the floorboard resulting in vehicle creep at stoplights. An initial
inspection indicates there are no external leaks found. Which of the following is MOST likely
causing this brake pedal to fade? - ANS Leaking master cylinder cup seals.
Which of the following flaws requires replacement of a brake drum - ANS Small cracks
Technician A says accumulators are found only on non-integral ABS systems. Technician B says
some integral ABS units contain high-pressure accumulators that must be discharged before
repair. - ANS Technician B
A technicien is replacing a brake hose and a damaged section of brake line tubing. Which of the
following is correct? - ANS Use double-walled steel tubing.
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