SOS MECHANIC CERTIFICATION EXAM
2025 ACTUAL EXAM CURRENTLY
TESTING COMPLETE EXAM QUESTIONS
WITH DETAILED VERIFIED ANSWERS
/ALREADY GRADED A+
A car's wheels severely vibrate when the
brakes are applied, which of the following is
the LEAST likely source of he problem? -
....ANSWER...The master cylinder
If vacuum is present on both sides of the
diaphragm in a brake booster: -
....ANSWER...The brakes are being released
Which of the following is not a necessary
precaution to follow when performing brake
repairs on an ABS equipped vehicle? -
....ANSWER...Always remove the electronic
brake control module fuse before adjusting or
replacing a wheel speed sensor
Which of the following is true when inspecting
wheel speed sensors? - ....ANSWER...You
,should measure the air gap between the
sensor and the reluctor wheel teeth
Which of the following would be the result of an
inoperative ABS pump/motor assembly: -
,....ANSWER...Conventional braking should
still be available
What information might be found on a brake
drum to help a mechanic? -
....ANSWER...The maximum diameter
dimension
When checking a newly turned drum before
putting it back on, you notice a thread-like
grooves in the braking surface. Why are the
grooves there? - ....ANSWER...The lathe was
not adjusted properly when the drum was
turned
After installing a new battery how long should
you wait to allow for pcm time -
....ANSWER...no need to wait
As blower motor speed decreases the voltage
drop across the resistance block.... -
....ANSWER...increases
What should you do first when replacing
, junction block or fuse? -
....ANSWER...Unlock the battery ground
cable
2025 ACTUAL EXAM CURRENTLY
TESTING COMPLETE EXAM QUESTIONS
WITH DETAILED VERIFIED ANSWERS
/ALREADY GRADED A+
A car's wheels severely vibrate when the
brakes are applied, which of the following is
the LEAST likely source of he problem? -
....ANSWER...The master cylinder
If vacuum is present on both sides of the
diaphragm in a brake booster: -
....ANSWER...The brakes are being released
Which of the following is not a necessary
precaution to follow when performing brake
repairs on an ABS equipped vehicle? -
....ANSWER...Always remove the electronic
brake control module fuse before adjusting or
replacing a wheel speed sensor
Which of the following is true when inspecting
wheel speed sensors? - ....ANSWER...You
,should measure the air gap between the
sensor and the reluctor wheel teeth
Which of the following would be the result of an
inoperative ABS pump/motor assembly: -
,....ANSWER...Conventional braking should
still be available
What information might be found on a brake
drum to help a mechanic? -
....ANSWER...The maximum diameter
dimension
When checking a newly turned drum before
putting it back on, you notice a thread-like
grooves in the braking surface. Why are the
grooves there? - ....ANSWER...The lathe was
not adjusted properly when the drum was
turned
After installing a new battery how long should
you wait to allow for pcm time -
....ANSWER...no need to wait
As blower motor speed decreases the voltage
drop across the resistance block.... -
....ANSWER...increases
What should you do first when replacing
, junction block or fuse? -
....ANSWER...Unlock the battery ground
cable
