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SOS MECHANIC CERTIFICATION TEST 2025/2026 NEWEST
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
The front brakes of a car equipped with disc brakes in the front
and drum brakes in the rear, grab quickly as light pressure is
applied to the brake pedal, which of the following could be the
cause of the problem? -ANSWERS-Defective metering valve
The brake warning light on the dash stays on all the time, which of
the following could be the cause of the problem? -ANSWERS-A
problem in the hydraulic circuit
Which of the following would be the LEAST likely cause for an
intermittent problem in an ABS system? -ANSWERS-Open wheel
sensor circuit
The brake lights on a car do not light when the brake pedal is
depressed, which of the following is the LEAST likely cause of the
problem? -ANSWERS-A burned out bulb.
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Which of the following incorrect service procedures could cause
brake pedal pulsation? -ANSWERS-incorrect run-out on the car
brake lathe
What type of rotor surface provides the best braking with new
pads? -ANSWERS-A smooth, flat surface
which of the following is a quick way to isolated a defective
master cylinder? There are no external leaks in the system. -
ANSWERS-pump up the brake pedal, then hold it firm. if the
pedal slowly drops to the floor, the master cylinder may be
defective.
A common cause of pedal pulsation during brake application is: -
ANSWERS-NOT caused by improperly torqued wheels, damaged
backing plates, or lubricated shims
the car is at reset. When you slowly apply the brake pedal you
hear a squeaking noise at the rear of the vehicle. what could
cause this noise? -ANSWERS-dry backing plate contact surfaces
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While test driving a car, the mechanic finds that the right front
brake "grabs". The most likely cause of this problem is: -
ANSWERS-brake fluid or grease on the brake linings
Wheel speed sensors: -ANSWERS-send an A/C signal to the
control module
Which of the following incorrect service procedures will cause
brake lock up? -ANSWERS-Master Cylinder push rod adjusted
too long
During a road test, you find that when normal breaking pressure is
applied the pedal slowly goes to the floor. What is the likely cause
of this problem? -ANSWERS-A leaking master cylinder primary
piston seal.
Before replacing a hydralic brake hose on an ABS equipped
vehicle, you should first: -ANSWERS-relieve brake system
pressure according to manufacturer procedures
SOS MECHANIC CERTIFICATION TEST 2025/2026 NEWEST
ACTUAL EXAM WITH COMPLETE QUESTIONS AND
VERIFIED ANSWERS |ALREADY GRADED A+|
The front brakes of a car equipped with disc brakes in the front
and drum brakes in the rear, grab quickly as light pressure is
applied to the brake pedal, which of the following could be the
cause of the problem? -ANSWERS-Defective metering valve
The brake warning light on the dash stays on all the time, which of
the following could be the cause of the problem? -ANSWERS-A
problem in the hydraulic circuit
Which of the following would be the LEAST likely cause for an
intermittent problem in an ABS system? -ANSWERS-Open wheel
sensor circuit
The brake lights on a car do not light when the brake pedal is
depressed, which of the following is the LEAST likely cause of the
problem? -ANSWERS-A burned out bulb.
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Which of the following incorrect service procedures could cause
brake pedal pulsation? -ANSWERS-incorrect run-out on the car
brake lathe
What type of rotor surface provides the best braking with new
pads? -ANSWERS-A smooth, flat surface
which of the following is a quick way to isolated a defective
master cylinder? There are no external leaks in the system. -
ANSWERS-pump up the brake pedal, then hold it firm. if the
pedal slowly drops to the floor, the master cylinder may be
defective.
A common cause of pedal pulsation during brake application is: -
ANSWERS-NOT caused by improperly torqued wheels, damaged
backing plates, or lubricated shims
the car is at reset. When you slowly apply the brake pedal you
hear a squeaking noise at the rear of the vehicle. what could
cause this noise? -ANSWERS-dry backing plate contact surfaces
, Page |3
While test driving a car, the mechanic finds that the right front
brake "grabs". The most likely cause of this problem is: -
ANSWERS-brake fluid or grease on the brake linings
Wheel speed sensors: -ANSWERS-send an A/C signal to the
control module
Which of the following incorrect service procedures will cause
brake lock up? -ANSWERS-Master Cylinder push rod adjusted
too long
During a road test, you find that when normal breaking pressure is
applied the pedal slowly goes to the floor. What is the likely cause
of this problem? -ANSWERS-A leaking master cylinder primary
piston seal.
Before replacing a hydralic brake hose on an ABS equipped
vehicle, you should first: -ANSWERS-relieve brake system
pressure according to manufacturer procedures
