Michigan Heavy Truck Brakes Mechanic Certification
Exam, Michigan Secretary of State (Business
Licensing Section)||Verified Exam!!||, 2026/2027 -
Question Comprehensive Study Guide with Verified
Answers||Newest Exam!!!
A cracked or torn vacuum diaphragm in a brake power
booster would most likely cause: - Answer-a hard pedal
feel requiring very high pedal effort to stop
A mechanic finds gear lube inside both rear brake drums
on a rear wheel drive vehicle. What is the most likely
cause of this problem? - Answer-A plugged axle
Which of the following incorrect service procedures will
cause brake lock-up? - Answer-master cylinder push rod
adjusted too long
Which of the following describes the proper way to
depressurized an ABS system? - Answer-Pump the brake
pedal at least 25 times (or more, depending on the
manufacturer's recommendation) with the ignition off.
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The rear brakes are dragging after having new linings
installed and the drums machined. the most likely cause is
the: - Answer-technician use the parking brake to adjust
shoes and the cable is stuck
When turning brake drums: - Answer-use a dampening
strap to reduce chatter
Which of the following is NOT a necessary drum brake
measurement? - Answer-run-out
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.
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On a 3-channel system, which wheels are on the same
circuit? - Answer-both rear wheels
One way to test an ABS wheel speed signal is to use
_____ on your digital multimeter. - Answer-AC volts
The key input for the ABS control module comes from the:
- Answer-wheel speed sensors
ABS speed sensor and sensor rings: - Answer-should not
be hammered or tapped on and should always be
replaced as a matched set
Flexible brake hoses should be replaced: - Answer-when
dampness is evident on the hose
Which of the following should be used to check for rotor
thickness variation: - Answer-Micrometer
After rebuilding a master cylinder, the rod between the
master cylinder and booster should be: - Answer-adjusted
properly