SOS Mechanic Certification Exam – Brakes
| Actual Exam Questions and Correct
Answers | Verified Answers | Newest
Exam 2026
Which of the following incorrect service procedures could cause brake pedal
pulsation? ---------CORRECT ANSWER-----------------incorrect run-out on the car
brake lathe
What type of rotor surface provides the best braking with new pads? ---------
CORRECT ANSWER-----------------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. ---------CORRECT ANSWER-----------------
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: ---------CORRECT
ANSWER-----------------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? ---------CORRECT
ANSWER-----------------dry backing plate contact surfaces
While test driving a car, the mechanic finds that the right front brake "grabs". The
most likely cause of this problem is: ---------CORRECT ANSWER-----------------brake
fluid or grease on the brake linings
Wheel speed sensors: ---------CORRECT ANSWER-----------------send an A/C signal to
the control module
Which of the following incorrect service procedures will cause brake lock up? ------
---CORRECT ANSWER-----------------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? ---------
CORRECT ANSWER-----------------A leaking master cylinder primary piston seal.
Before replacing a hydralic brake hose on an ABS equipped vehicle, you should
first: ---------CORRECT ANSWER-----------------relieve brake system pressure
according to manufacturer procedures
| Actual Exam Questions and Correct
Answers | Verified Answers | Newest
Exam 2026
Which of the following incorrect service procedures could cause brake pedal
pulsation? ---------CORRECT ANSWER-----------------incorrect run-out on the car
brake lathe
What type of rotor surface provides the best braking with new pads? ---------
CORRECT ANSWER-----------------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. ---------CORRECT ANSWER-----------------
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: ---------CORRECT
ANSWER-----------------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? ---------CORRECT
ANSWER-----------------dry backing plate contact surfaces
While test driving a car, the mechanic finds that the right front brake "grabs". The
most likely cause of this problem is: ---------CORRECT ANSWER-----------------brake
fluid or grease on the brake linings
Wheel speed sensors: ---------CORRECT ANSWER-----------------send an A/C signal to
the control module
Which of the following incorrect service procedures will cause brake lock up? ------
---CORRECT ANSWER-----------------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? ---------
CORRECT ANSWER-----------------A leaking master cylinder primary piston seal.
Before replacing a hydralic brake hose on an ABS equipped vehicle, you should
first: ---------CORRECT ANSWER-----------------relieve brake system pressure
according to manufacturer procedures
