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SOS MECHANIC CERTIFICATION- BRAKES EXAM NEWEST 2026
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED||
A rattle is a single piston disc brake assembly which goes away
when the brakes are applied is most likely a result of: - ANSWER-
Loose pads in the caliper
Which of the following would most likely cause dragging brakes? -
ANSWER-A defective vehicle load sensor
There is a scraping sound coming from one rear brake. The
sound stops when the brakes are applied. What is the likely cause
of the problem? - ANSWER-A broken shoe hold-down spring or
pin
Which of the following can be used to check for rotor thickness
variation? - ANSWER-Dial indicator
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On a vehicle with a disc/drum brake system, the rear wheels lock
up under hard braking. The most likely cause is: - ANSWER-A
defective proportioning valve
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? -
ANSWER-Replace the hub
When adjusting disc-drum brakes, you should: - ANSWER-Adjust
the rear brakes after releasing the parking brakes
You are rebuilding a master cylinder. What should you use to
lubricate the internal parts? - ANSWER-Brake fluid
Which of the following is the most likely cause of low fluid level in
the master cylinder? - ANSWER-Worn brake pads and linings
Which of the following describes the correct sequence for
bleeding brake lines on most front wheel drive vehicles? -
ANSWER-RR,LR, RF, LF
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All of the following are steps in the procedure for servicing a
typical dual master cylinder, EXCEPT: - ANSWER-Clean the
master cylinder with a degreasing solvent
The brakes of a car tend to drag, which of the following could be
the cause? - ANSWER-A stuck wheel cylinder or caliper piston
Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel? - ANSWER-Sealed non-
serviceable
to test a vacuum power brake booster in the vehicle, you should
pump the brake pedal at least 4 times, hold the brake pedal
depressed, and start the engine. the brake pedal should: -
ANSWER-drop slightly and remain firm
You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is: - ANSWER-
Smaller and goes towards the front of the car.
SOS MECHANIC CERTIFICATION- BRAKES EXAM NEWEST 2026
ACTUAL EXAM WITH COMPLETE QUESTIONS AND CORRECT
DETAILED ANSWERS (100% VERIFIED ANSWERS) |ALREADY
GRADED A+| ||PROFESSOR VERIFIED||
A rattle is a single piston disc brake assembly which goes away
when the brakes are applied is most likely a result of: - ANSWER-
Loose pads in the caliper
Which of the following would most likely cause dragging brakes? -
ANSWER-A defective vehicle load sensor
There is a scraping sound coming from one rear brake. The
sound stops when the brakes are applied. What is the likely cause
of the problem? - ANSWER-A broken shoe hold-down spring or
pin
Which of the following can be used to check for rotor thickness
variation? - ANSWER-Dial indicator
,2|Page
On a vehicle with a disc/drum brake system, the rear wheels lock
up under hard braking. The most likely cause is: - ANSWER-A
defective proportioning valve
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? -
ANSWER-Replace the hub
When adjusting disc-drum brakes, you should: - ANSWER-Adjust
the rear brakes after releasing the parking brakes
You are rebuilding a master cylinder. What should you use to
lubricate the internal parts? - ANSWER-Brake fluid
Which of the following is the most likely cause of low fluid level in
the master cylinder? - ANSWER-Worn brake pads and linings
Which of the following describes the correct sequence for
bleeding brake lines on most front wheel drive vehicles? -
ANSWER-RR,LR, RF, LF
, 3|Page
All of the following are steps in the procedure for servicing a
typical dual master cylinder, EXCEPT: - ANSWER-Clean the
master cylinder with a degreasing solvent
The brakes of a car tend to drag, which of the following could be
the cause? - ANSWER-A stuck wheel cylinder or caliper piston
Most 1995 & newer vehicles use which of the following types of
wheels bearings on non-drive wheel? - ANSWER-Sealed non-
serviceable
to test a vacuum power brake booster in the vehicle, you should
pump the brake pedal at least 4 times, hold the brake pedal
depressed, and start the engine. the brake pedal should: -
ANSWER-drop slightly and remain firm
You are installing a set of brake shoe linings that are not the same
length. Traditionally, the primary shoe lining is: - ANSWER-
Smaller and goes towards the front of the car.
