SOS MECHANIC CERTIFICATION BRAKES
EXAM STUDY GUIDE 2026 COMPLETE
QUESTIONS AND ANSWERS
● Warped brake rotors. Answer: Brake rotors that are unevenly shaped,
causing braking issues.
● Contaminated brake fluid. Answer: Brake fluid that has been mixed
with foreign substances, affecting performance.
● Internal leak in the master cylinder. Answer: A failure within the
master cylinder that allows brake fluid to escape.
● Faulty brake booster. Answer: A malfunctioning device that assists in
applying the brakes.
● Vacuum power brake booster test. Answer: A procedure to check the
functionality of the brake booster.
● Disconnect the vacuum hose. Answer: To remove the hose connected
to the brake booster to observe engine idle.
, ● Pump the brake pedal. Answer: To repeatedly press the brake pedal to
build pressure in the brake system.
● Depressurize an ABS system. Answer: The process of releasing
pressure from the ABS brake system.
● Open the bleeder valves. Answer: To allow brake fluid to escape from
the brake system for maintenance.
● Disconnect the ABS fuse. Answer: To disable the ABS system for
testing or maintenance.
● Pump the brake pedal at least 25 times. Answer: A method to
depressurize the ABS system with the ignition off.
● Run the ABS self-diagnostic test. Answer: A procedure to check the
functionality of the ABS system.
● Dragging rear brakes. Answer: A condition where the rear brakes do
not fully release after being applied.
● Warped drums. Answer: Brake drums that are unevenly shaped,
leading to braking issues.
EXAM STUDY GUIDE 2026 COMPLETE
QUESTIONS AND ANSWERS
● Warped brake rotors. Answer: Brake rotors that are unevenly shaped,
causing braking issues.
● Contaminated brake fluid. Answer: Brake fluid that has been mixed
with foreign substances, affecting performance.
● Internal leak in the master cylinder. Answer: A failure within the
master cylinder that allows brake fluid to escape.
● Faulty brake booster. Answer: A malfunctioning device that assists in
applying the brakes.
● Vacuum power brake booster test. Answer: A procedure to check the
functionality of the brake booster.
● Disconnect the vacuum hose. Answer: To remove the hose connected
to the brake booster to observe engine idle.
, ● Pump the brake pedal. Answer: To repeatedly press the brake pedal to
build pressure in the brake system.
● Depressurize an ABS system. Answer: The process of releasing
pressure from the ABS brake system.
● Open the bleeder valves. Answer: To allow brake fluid to escape from
the brake system for maintenance.
● Disconnect the ABS fuse. Answer: To disable the ABS system for
testing or maintenance.
● Pump the brake pedal at least 25 times. Answer: A method to
depressurize the ABS system with the ignition off.
● Run the ABS self-diagnostic test. Answer: A procedure to check the
functionality of the ABS system.
● Dragging rear brakes. Answer: A condition where the rear brakes do
not fully release after being applied.
● Warped drums. Answer: Brake drums that are unevenly shaped,
leading to braking issues.
