SOS brake & braking system Questions And Answers
2025\2026
In a single anchor bendix drum type rear brake - CORRECT ANSWER-the
secondary lining is longer than the primary
Compared to the secondary shoe lining areas of drum brakes, the
primary shoe lining area is: - CORRECT ANSWER-smaller and goes
toward the front of the car
During a brake overhaul, you notice that the brake fluid seems to be
very dirty and dark in color. What should you do? - CORRECT ANSWER-
flush the system before the new parts are installed
In order to bleed the system on a vehicle equipped with power brakes: -
CORRECT ANSWER-None of the above
Which of the following could be a symptom of over-torqued lug nuts? -
CORRECT ANSWER-A brake pedal pulsation during braking.
,Which of the following describes the proper sequence to bleed brake
lines on most rear wheel drive vehicles: - CORRECT ANSWER-RR, LR, RF,
LF
In disc brake caliper assemblies, the "square cut seal" is usually located:
- CORRECT ANSWER-In the caliper piston bore
When performing a caliper overhaul, what would you use to remove
the pistons from the calipers? - CORRECT ANSWER-Compressed air
Sliding caliper disc brake pads are kept in adjustment by the - CORRECT
ANSWER-Square cut piston seal
A cracked or torn vacuum diaphragm in a power booster would likely
cause: - CORRECT ANSWER-Hard pedal with very high effort required
When the brakes are applied on a car with disc-drum brakes, a vibration
or pulsating movement is felt. What can cause this problem? - CORRECT
ANSWER-A rotor thickness variation
While test driving a car, the mechanic finds that the right front brake
"grabs". The most likely cause of this problem is: - CORRECT ANSWER-
Brake fluid or grease on the brake linings.
, During a road test, you find that when normal breaking pressure is
applied the pedal slowly goes to the floor. What is the likely cause of
this problem? - CORRECT ANSWER-A leaking master cylinder primary
piston seal.
A rattle is a single piston disc brake assembly which goes away when the
brakes are applied is most likely a result of: - CORRECT ANSWER-Loose
pads in the caliper
Which of the following would most likely cause dragging brakes? -
CORRECT ANSWER-A defective vehicle load sensor
With the car standing still, you can hear a squeaking noise when
applying the brake pedal slowly. What could cause this noise? -
CORRECT ANSWER-Dry backing plate contact surfaces.
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? -
CORRECT ANSWER-A broken shoe hold-down spring or pin
If a drum brake self-adjuster seizes up, the likely result will be: -
CORRECT ANSWER-A low pedal
2025\2026
In a single anchor bendix drum type rear brake - CORRECT ANSWER-the
secondary lining is longer than the primary
Compared to the secondary shoe lining areas of drum brakes, the
primary shoe lining area is: - CORRECT ANSWER-smaller and goes
toward the front of the car
During a brake overhaul, you notice that the brake fluid seems to be
very dirty and dark in color. What should you do? - CORRECT ANSWER-
flush the system before the new parts are installed
In order to bleed the system on a vehicle equipped with power brakes: -
CORRECT ANSWER-None of the above
Which of the following could be a symptom of over-torqued lug nuts? -
CORRECT ANSWER-A brake pedal pulsation during braking.
,Which of the following describes the proper sequence to bleed brake
lines on most rear wheel drive vehicles: - CORRECT ANSWER-RR, LR, RF,
LF
In disc brake caliper assemblies, the "square cut seal" is usually located:
- CORRECT ANSWER-In the caliper piston bore
When performing a caliper overhaul, what would you use to remove
the pistons from the calipers? - CORRECT ANSWER-Compressed air
Sliding caliper disc brake pads are kept in adjustment by the - CORRECT
ANSWER-Square cut piston seal
A cracked or torn vacuum diaphragm in a power booster would likely
cause: - CORRECT ANSWER-Hard pedal with very high effort required
When the brakes are applied on a car with disc-drum brakes, a vibration
or pulsating movement is felt. What can cause this problem? - CORRECT
ANSWER-A rotor thickness variation
While test driving a car, the mechanic finds that the right front brake
"grabs". The most likely cause of this problem is: - CORRECT ANSWER-
Brake fluid or grease on the brake linings.
, During a road test, you find that when normal breaking pressure is
applied the pedal slowly goes to the floor. What is the likely cause of
this problem? - CORRECT ANSWER-A leaking master cylinder primary
piston seal.
A rattle is a single piston disc brake assembly which goes away when the
brakes are applied is most likely a result of: - CORRECT ANSWER-Loose
pads in the caliper
Which of the following would most likely cause dragging brakes? -
CORRECT ANSWER-A defective vehicle load sensor
With the car standing still, you can hear a squeaking noise when
applying the brake pedal slowly. What could cause this noise? -
CORRECT ANSWER-Dry backing plate contact surfaces.
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? -
CORRECT ANSWER-A broken shoe hold-down spring or pin
If a drum brake self-adjuster seizes up, the likely result will be: -
CORRECT ANSWER-A low pedal
