MICHIGAN SOS BRAKES MECHANIC
CERTIFICATION PRACTICE TEST
QUESTIONS & VERIFIED ANSWERS
RATED 100% CORRECT
A likely cause of the brake pedal slowly going to the floor when normal braking pressure
is applied. - Correct Answer ✔✔ Warped brake rotors
A possible reason for the brake pedal slowly going to the floor under normal braking
pressure. - Correct Answer ✔✔ Contaminated brake fluid
A common cause for the brake pedal going to the floor when normal braking pressure is
applied. - Correct Answer ✔✔ Internal leak in the master cylinder
A potential issue that could cause the brake pedal to slowly go to the floor during a road
test. - Correct Answer ✔✔ Faulty brake booster
To test it, disconnect the vacuum hose and observe engine idle. - Correct Answer ✔✔
Vacuum power brake booster test
Pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the
engine to test the vacuum power brake booster. - Correct Answer ✔✔ Brake pedal
pumping test
Apply the parking brake and start the engine as part of the vacuum power brake booster
test. - Correct Answer ✔✔ Parking brake application
Check for vacuum at the booster with a gauge to test the vacuum power brake booster.
- Correct Answer ✔✔ Vacuum check at the booster
The proper way includes opening the bleeder valves. - Correct Answer ✔✔
Depressurizing an ABS system
A method to depressurize an ABS system. - Correct Answer ✔✔ Disconnecting the
ABS fuse
Pump the brake pedal at least 25 times with the ignition off to depressurize an ABS
system. - Correct Answer ✔✔ Pumping the brake pedal
Running this test is one way to depressurize an ABS system. - Correct Answer ✔✔ ABS
self-diagnostic test
CERTIFICATION PRACTICE TEST
QUESTIONS & VERIFIED ANSWERS
RATED 100% CORRECT
A likely cause of the brake pedal slowly going to the floor when normal braking pressure
is applied. - Correct Answer ✔✔ Warped brake rotors
A possible reason for the brake pedal slowly going to the floor under normal braking
pressure. - Correct Answer ✔✔ Contaminated brake fluid
A common cause for the brake pedal going to the floor when normal braking pressure is
applied. - Correct Answer ✔✔ Internal leak in the master cylinder
A potential issue that could cause the brake pedal to slowly go to the floor during a road
test. - Correct Answer ✔✔ Faulty brake booster
To test it, disconnect the vacuum hose and observe engine idle. - Correct Answer ✔✔
Vacuum power brake booster test
Pump the brake pedal at least 4 times, hold the brake pedal depressed, and start the
engine to test the vacuum power brake booster. - Correct Answer ✔✔ Brake pedal
pumping test
Apply the parking brake and start the engine as part of the vacuum power brake booster
test. - Correct Answer ✔✔ Parking brake application
Check for vacuum at the booster with a gauge to test the vacuum power brake booster.
- Correct Answer ✔✔ Vacuum check at the booster
The proper way includes opening the bleeder valves. - Correct Answer ✔✔
Depressurizing an ABS system
A method to depressurize an ABS system. - Correct Answer ✔✔ Disconnecting the
ABS fuse
Pump the brake pedal at least 25 times with the ignition off to depressurize an ABS
system. - Correct Answer ✔✔ Pumping the brake pedal
Running this test is one way to depressurize an ABS system. - Correct Answer ✔✔ ABS
self-diagnostic test
