Michigan SOS Brakes Mechanic Certification Practice Test
questions and answers 2025\2026 A+ Grade
Normal braking pressure
- correct answer The pressure applied to the brake pedal during standard braking.
Warped brake rotors
- correct answer Brake rotors that are unevenly shaped, causing braking issues.
Contaminated brake fluid
- correct answer Brake fluid that has been mixed with foreign substances, affecting performance.
Internal leak in the master cylinder
- correct answer A failure within the master cylinder that allows brake fluid to escape.
Faulty brake booster
- correct answer A malfunctioning device that assists in applying the brakes.
Vacuum power brake booster test
- correct answer A procedure to check the functionality of the brake booster.
Disconnect the vacuum hose
- correct answer To remove the hose connected to the brake booster to observe engine idle.
Pump the brake pedal
- correct answer To repeatedly press the brake pedal to build pressure in the brake system.
Depressurize an ABS system
- correct answer The process of releasing pressure from the ABS brake system.
, Open the bleeder valves
- correct answer To allow brake fluid to escape from the brake system for maintenance.
Disconnect the ABS fuse
- correct answer To disable the ABS system for testing or maintenance.
Pump the brake pedal at least 25 times
- correct answer A method to depressurize the ABS system with the ignition off.
Run the ABS self-diagnostic test
- correct answer A procedure to check the functionality of the ABS system.
Dragging rear brakes
- correct answer A condition where the rear brakes do not fully release after being applied.
Warped drums
- correct answer Brake drums that are unevenly shaped, leading to braking issues.
Stuck parking brake cable
- correct answer A cable that is unable to release the parking brake fully.
Improperly adjusted brake shoes
- correct answer Brake shoes that are not set correctly, causing dragging brakes.
Leaking wheel cylinder
- correct answer A failure in the wheel cylinder that allows brake fluid to leak.
Faulty master cylinder
- correct answer A malfunctioning component that generates hydraulic pressure for the brakes.
Air in the brake lines
- correct answer Presence of air in the hydraulic brake lines, affecting braking performance.
questions and answers 2025\2026 A+ Grade
Normal braking pressure
- correct answer The pressure applied to the brake pedal during standard braking.
Warped brake rotors
- correct answer Brake rotors that are unevenly shaped, causing braking issues.
Contaminated brake fluid
- correct answer Brake fluid that has been mixed with foreign substances, affecting performance.
Internal leak in the master cylinder
- correct answer A failure within the master cylinder that allows brake fluid to escape.
Faulty brake booster
- correct answer A malfunctioning device that assists in applying the brakes.
Vacuum power brake booster test
- correct answer A procedure to check the functionality of the brake booster.
Disconnect the vacuum hose
- correct answer To remove the hose connected to the brake booster to observe engine idle.
Pump the brake pedal
- correct answer To repeatedly press the brake pedal to build pressure in the brake system.
Depressurize an ABS system
- correct answer The process of releasing pressure from the ABS brake system.
, Open the bleeder valves
- correct answer To allow brake fluid to escape from the brake system for maintenance.
Disconnect the ABS fuse
- correct answer To disable the ABS system for testing or maintenance.
Pump the brake pedal at least 25 times
- correct answer A method to depressurize the ABS system with the ignition off.
Run the ABS self-diagnostic test
- correct answer A procedure to check the functionality of the ABS system.
Dragging rear brakes
- correct answer A condition where the rear brakes do not fully release after being applied.
Warped drums
- correct answer Brake drums that are unevenly shaped, leading to braking issues.
Stuck parking brake cable
- correct answer A cable that is unable to release the parking brake fully.
Improperly adjusted brake shoes
- correct answer Brake shoes that are not set correctly, causing dragging brakes.
Leaking wheel cylinder
- correct answer A failure in the wheel cylinder that allows brake fluid to leak.
Faulty master cylinder
- correct answer A malfunctioning component that generates hydraulic pressure for the brakes.
Air in the brake lines
- correct answer Presence of air in the hydraulic brake lines, affecting braking performance.
