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Michigan State Brakes Certification Exam Questions and Answers
In a single anchor Bendix drum type rear brake:
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:
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?
ANSWER: Flush the system before the new parts are installed
In order to bleed the system on a vehicle equipped with power
brakes:
ANSWER: None of the above
(Note: Without specific options, this assumes typical bleeding
procedures apply, adjusted for power brakes, but no unique method is specified.)
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Which of the following could be a symptom of over-torqued lug nuts?
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:
ANSWER: RR, LR, RF, LF
In disc brake caliper assemblies, the "square cut seal" is usually
located:
ANSWER: In the caliper piston bore
When performing a caliper overhaul, what would you use to remove the pistons from the calipers?
ANSWER: Compressed air
Sliding caliper disc brake pads are kept in adjustment by the:
ANSWER: Square cut piston seal
A cracked or torn vacuum diaphragm in a power booster would
likely cause:
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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?
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:
ANSWER: Brake fluid or grease on the brake linings
During a road test, you find that when normal braking pressure is applied the pedal slowly goes to the floor. What is the likely cause of this problem?
ANSWER: A leaking master cylinder primary piston seal
A rattle in 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
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Which of the following would most likely cause dragging brakes?
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?
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?
ANSWER: A broken shoe hold-down spring or pin
If a drum brake self-adjuster seizes up, the likely result will be:
ANSWER: A low pedal
(Note: This assumes increased clearance due to lack of
adjustment, though other effects like uneven braking could also occur.)
Which of the following can be used to check for rotor thickness variation?