SOS Mechanic Certification-(2025) EXAM QUESTIONS AND ALL
CORRECT ANSWERS 100% SOLVED AND GUARANTEED
SUCCESS!
A car equipped with a vacuum assist power brake system
reads an abnormal amount of pedal effort to stop the car,
which of the following could be the cause? - ✔✔A plugged
booster air breather
A car has a spongy pedal. Which of the following could be the
cause? - ✔✔Air in the system.
A car has an excessive amount of pedal travel during brake
application, which of he following could be the cause? -
✔✔Excessive clearance between the shoes and drum.
A car's wheels severely vibrate when the brakes are applied,
which of the following is the LEAST likely source of he
problem? - ✔✔The master cylinder
A common cause of pedal pulsation during brake application
is: - ✔✔NOT caused by improperly torqued wheels, damaged
backing plates, or lubricated shims
,A cracked or torn vacuum diaphragm in a brake power
booster would most likely cause: - ✔✔a hard pedal feel
requiring very high pedal effort to stop
A customer complains that the brake pedal slowly moves to
the floor when a steady pressure is applied. There is no sign of
fluid leakage. Which of the following is the most portable
cause of the problem? - ✔✔A worn primary cup
A mechanic finds gear lube inside both rear brake drums on a
rear wheel drive vehicle. What is the most likely cause of this
problem? - ✔✔A plugged axle
A properly functioning load sensing proportioning valve will: -
✔✔cause an increase in the hydraulic pressure during braking
at the rear wheel cylinders when the vehicle is loaded.
A rattle is a single piston disc brake assembly which goes away
when the brakes are applied is most likely a result of: -
✔✔Loose pads in the caliper
, ABS speed sensor and sensor rings: - ✔✔should not be
hammered or tapped on and should always be replaced as a
matched set
After drum brakes have been applied and released, the brake
fluid returns to the master cylinder reservoir. What causes it
to return? - ✔✔brake shoe return springs
After putting a bearing race in a hub, you notice that the new
race is loose and can spin in the hub. What should you do? -
✔✔Replace the hub
After rebuilding a master cylinder, the rod between the
master cylinder and booster should be: - ✔✔adjusted properly
All of the following are steps in the procedure for servicing a
typical dual master cylinder, EXCEPT: - ✔✔Clean the master
cylinder with a degreasing solvent
All of the following procedures, EXCEPT one describe the
correct method for bleeding the individual brakes on a car
after the master cylinder has been bled: - ✔✔The bleeding
sequence for all systems begins with the left rear wheel.
CORRECT ANSWERS 100% SOLVED AND GUARANTEED
SUCCESS!
A car equipped with a vacuum assist power brake system
reads an abnormal amount of pedal effort to stop the car,
which of the following could be the cause? - ✔✔A plugged
booster air breather
A car has a spongy pedal. Which of the following could be the
cause? - ✔✔Air in the system.
A car has an excessive amount of pedal travel during brake
application, which of he following could be the cause? -
✔✔Excessive clearance between the shoes and drum.
A car's wheels severely vibrate when the brakes are applied,
which of the following is the LEAST likely source of he
problem? - ✔✔The master cylinder
A common cause of pedal pulsation during brake application
is: - ✔✔NOT caused by improperly torqued wheels, damaged
backing plates, or lubricated shims
,A cracked or torn vacuum diaphragm in a brake power
booster would most likely cause: - ✔✔a hard pedal feel
requiring very high pedal effort to stop
A customer complains that the brake pedal slowly moves to
the floor when a steady pressure is applied. There is no sign of
fluid leakage. Which of the following is the most portable
cause of the problem? - ✔✔A worn primary cup
A mechanic finds gear lube inside both rear brake drums on a
rear wheel drive vehicle. What is the most likely cause of this
problem? - ✔✔A plugged axle
A properly functioning load sensing proportioning valve will: -
✔✔cause an increase in the hydraulic pressure during braking
at the rear wheel cylinders when the vehicle is loaded.
A rattle is a single piston disc brake assembly which goes away
when the brakes are applied is most likely a result of: -
✔✔Loose pads in the caliper
, ABS speed sensor and sensor rings: - ✔✔should not be
hammered or tapped on and should always be replaced as a
matched set
After drum brakes have been applied and released, the brake
fluid returns to the master cylinder reservoir. What causes it
to return? - ✔✔brake shoe return springs
After putting a bearing race in a hub, you notice that the new
race is loose and can spin in the hub. What should you do? -
✔✔Replace the hub
After rebuilding a master cylinder, the rod between the
master cylinder and booster should be: - ✔✔adjusted properly
All of the following are steps in the procedure for servicing a
typical dual master cylinder, EXCEPT: - ✔✔Clean the master
cylinder with a degreasing solvent
All of the following procedures, EXCEPT one describe the
correct method for bleeding the individual brakes on a car
after the master cylinder has been bled: - ✔✔The bleeding
sequence for all systems begins with the left rear wheel.
