Michigan State Brakes Certification Exam
with correct Answers
Most 1995 & newer vehicles use which of the following types of wheels bearings on non-
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drive wheel? - ANS-Sealed non-serviceable
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to test a vacuum power brake booster in the vehicle, you should pump the brake pedal at
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b least 4 times, hold the brake pedal depressed, and start the engine. the brake pedal
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b should: - ANS-drop slightly and remain firm
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You are installing a set of brake shoe linings that are not the same length. Traditionally,
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b the primary shoe lining is: - ANS-Smaller and goes towards the front of the car.
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A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: -
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b ANS-a hard pedal feel requiring very high pedal effort to stop
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A mechanic finds gear lube inside both rear brake drums on a rear wheel drive vehicle.
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b What is the most likely cause of this problem? - ANS-A plugged axle
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, Which of the following incorrect service procedures will cause brake lock-up? - ANS-
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master cylinder push rod adjusted too long
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Which of the following describes the proper way to depressurized an ABS system? - ANS-
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Pump the brake pedal at least 25 times (or more, depending on the manufacturer's
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b recommendation) with the ignition off. b b b b
The rear brakes are dragging after having new linings installed and the drums machined.
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b the most likely cause is the: - ANS-technician use the parking brake to adjust shoes and
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b the cable is stuck
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When turning brake drums: - ANS-use a dampening strap to reduce chatter
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Which of the following is NOT a necessary drum brake measurement? - ANS-run-out
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On a 3-channel system, which wheels are on the same circuit? - ANS-both rear wheels
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One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. -
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b ANS-AC volts b
The key input for the ABS control module comes from the: - ANS-wheel speed sensors
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