MICHIGAN SOS BRAKES MECHANIC CERTIFICATION
PRACTICE TEST QUESTIONS AND ANSWERS
Normal braking pressure - Answers - The pressure applied to the brake pedal during
standard braking.
Warped brake rotors - Answers - Brake rotors that are unevenly shaped, causing
braking issues.
Contaminated brake fluid - Answers - Brake fluid that has been mixed with foreign
substances, affecting performance.
Internal leak in the master cylinder - Answers - A failure within the master cylinder that
allows brake fluid to escape.
Faulty brake booster - Answers - A malfunctioning device that assists in applying the
brakes.
Vacuum power brake booster test - Answers - A procedure to check the functionality of
the brake booster.
Disconnect the vacuum hose - Answers - To remove the hose connected to the brake
booster to observe engine idle.
Pump the brake pedal - Answers - To repeatedly press the brake pedal to build
pressure in the brake system.
Depressurize an ABS system - Answers - The process of releasing pressure from the
ABS brake system.
Open the bleeder valves - Answers - To allow brake fluid to escape from the brake
system for maintenance.
Disconnect the ABS fuse - Answers - To disable the ABS system for testing or
maintenance.
Pump the brake pedal at least 25 times - Answers - A method to depressurize the ABS
system with the ignition off.
Run the ABS self-diagnostic test - Answers - A procedure to check the functionality of
the ABS system.
Dragging rear brakes - Answers - A condition where the rear brakes do not fully release
after being applied.
PRACTICE TEST QUESTIONS AND ANSWERS
Normal braking pressure - Answers - The pressure applied to the brake pedal during
standard braking.
Warped brake rotors - Answers - Brake rotors that are unevenly shaped, causing
braking issues.
Contaminated brake fluid - Answers - Brake fluid that has been mixed with foreign
substances, affecting performance.
Internal leak in the master cylinder - Answers - A failure within the master cylinder that
allows brake fluid to escape.
Faulty brake booster - Answers - A malfunctioning device that assists in applying the
brakes.
Vacuum power brake booster test - Answers - A procedure to check the functionality of
the brake booster.
Disconnect the vacuum hose - Answers - To remove the hose connected to the brake
booster to observe engine idle.
Pump the brake pedal - Answers - To repeatedly press the brake pedal to build
pressure in the brake system.
Depressurize an ABS system - Answers - The process of releasing pressure from the
ABS brake system.
Open the bleeder valves - Answers - To allow brake fluid to escape from the brake
system for maintenance.
Disconnect the ABS fuse - Answers - To disable the ABS system for testing or
maintenance.
Pump the brake pedal at least 25 times - Answers - A method to depressurize the ABS
system with the ignition off.
Run the ABS self-diagnostic test - Answers - A procedure to check the functionality of
the ABS system.
Dragging rear brakes - Answers - A condition where the rear brakes do not fully release
after being applied.