SOS MECHANIC EXAM SCRIPT 2026 FULL QUESTIONS AND ACCURATE ANSWERS GRADED A+

SOS MECHANIC EXAM SCRIPT 2026 FULL
QUESTIONS AND ACCURATE ANSWERS
GRADED A+

●● Contaminated brake fluid.
Answer: A possible reason for the brake pedal slowly going to the floor
under normal braking pressure.


●● Internal leak in the master cylinder.
Answer: A common cause for the brake pedal going to the floor when
normal braking pressure is applied.


●● Faulty brake booster.
Answer: A potential issue that could cause the brake pedal to slowly go
to the floor during a road test.


●● Vacuum power brake booster test.
Answer: To test it, disconnect the vacuum hose and observe engine idle.


●● Brake pedal pumping test.
Answer: Pump the brake pedal at least 4 times, hold the brake pedal
depressed, and start the engine to test the vacuum power brake booster.

, ●● Parking brake application.
Answer: Apply the parking brake and start the engine as part of the
vacuum power brake booster test.


●● Vacuum check at the booster.
Answer: Check for vacuum at the booster with a gauge to test the
vacuum power brake booster.


●● Depressurizing an ABS system.
Answer: The proper way includes opening the bleeder valves.


●● Disconnecting the ABS fuse.
Answer: A method to depressurize an ABS system.


●● Pumping the brake pedal.
Answer: Pump the brake pedal at least 25 times with the ignition off to
depressurize an ABS system.


●● ABS self-diagnostic test.
Answer: Running this test is one way to depressurize an ABS system.


●● Dragging rear brakes.