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SOS BRAKE & BRAKING SYSTEM
QUESTIONS AND ANSWER S
Question : In a single anchor bendix drum type rear brake
Correct answer: the secondary lining is longer than the
primary
Question : 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
Question : 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
Question : In order to bleed the system on a vehicle
equipped with power brakes:
Correct answer: None of the above
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Question : Which of the following could be a symptom of
over-torqued lug nuts?
Correct answer: A brake pedal pulsation during braking.
Question : Which of the following describes the proper
sequence to bleed brake lines on most rear wheel drive
vehicles:
Correct answer: RR, LR, RF, LF
Question : In disc brake caliper assemblies, the "square
cut seal" is usually located:
Correct answer: In the caliper piston bore
Question : When performing a caliper overhaul, what
would you use to remove the pistons from the calipers?
Correct answer: Compressed air
Question : Sliding caliper disc brake pads are kept in
adjustment by the
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Correct answer: Square cut piston seal
Question : A cracked or torn vacuum diaphragm in a
power booster would likely cause:
Correct answer: Hard pedal with very high effort
required
Question : 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
Question : 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.
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Question : 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.
Question : 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
Question : Which of the following would most likely
cause dragging brakes?
Correct answer: A defective vehicle load sensor
Question : With the car standing still, you can hear a
squeaking noise when applying the brake pedal slowly.What could cause this noise?