SOS MECHANIC CERTIFICATION BRAKES
COMPREHENSIVE EXAM STUDY GUIDE
COMPLETE QUESTIONS AND SOLUTIONS
●● 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.
COMPREHENSIVE EXAM STUDY GUIDE
COMPLETE QUESTIONS AND SOLUTIONS
●● 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.