Michigan State Brakes Certification Exam Questions
and Answers
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.
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.
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
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
Upon inspecting brake fluid condition, the technician observes the diaphragm in the
master cylinder cup is swollen. Which of the following is the most likely cause? -
ANSWER silicone fluid added to the system
When inspecting brake fluid levels, a technician observes low fluid levels. which of
the following should be done first? - ANSWER Inspect disc brake pads for
excessive wear
Which of the following is true about most properly functioning anti-lock brake
systems? - ANSWER The brakes may lock up at speeds less than 10 miles per
hour
Which of the following is true about bleeding brake lines on most ABS equipped
vehicles? - ANSWER Most ABS brake lines can be bled like a conventional (non-
ABS) system. However, caution must be taken because of the extreme pressure.
Most anti-lock brake systems require the removal of the pressure modulator fuse
when: - ANSWER a "spaced-saver" spare tire is being used and mismatched tires
are being installed
What does a load sensing proportioning valve do? - ANSWER It increases the
hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
loaded
Which of the following is a true statement about proportioning valves? - ANSWER
They provide better braking balance during hard stops
A properly functioning load sensing proportioning valve will: - ANSWER cause an
increase in the hydraulic pressure during braking at the rear wheel cylinders when
the vehicle is loaded.
Why don't disc brake system usually need adjustment? - ANSWER A certain
amount of pressure is maintained by the metering valve
Which of the following would be the LEAST likely cause for an intermittent problem in
an ABS system? - ANSWER Open wheel sensor circuit
Which of the following incorrect service procedures could cause brake pedal
pulsation? - ANSWER incorrect run-out on the car brake lathe
and Answers
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.
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.
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
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
Upon inspecting brake fluid condition, the technician observes the diaphragm in the
master cylinder cup is swollen. Which of the following is the most likely cause? -
ANSWER silicone fluid added to the system
When inspecting brake fluid levels, a technician observes low fluid levels. which of
the following should be done first? - ANSWER Inspect disc brake pads for
excessive wear
Which of the following is true about most properly functioning anti-lock brake
systems? - ANSWER The brakes may lock up at speeds less than 10 miles per
hour
Which of the following is true about bleeding brake lines on most ABS equipped
vehicles? - ANSWER Most ABS brake lines can be bled like a conventional (non-
ABS) system. However, caution must be taken because of the extreme pressure.
Most anti-lock brake systems require the removal of the pressure modulator fuse
when: - ANSWER a "spaced-saver" spare tire is being used and mismatched tires
are being installed
What does a load sensing proportioning valve do? - ANSWER It increases the
hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
loaded
Which of the following is a true statement about proportioning valves? - ANSWER
They provide better braking balance during hard stops
A properly functioning load sensing proportioning valve will: - ANSWER cause an
increase in the hydraulic pressure during braking at the rear wheel cylinders when
the vehicle is loaded.
Why don't disc brake system usually need adjustment? - ANSWER A certain
amount of pressure is maintained by the metering valve
Which of the following would be the LEAST likely cause for an intermittent problem in
an ABS system? - ANSWER Open wheel sensor circuit
Which of the following incorrect service procedures could cause brake pedal
pulsation? - ANSWER incorrect run-out on the car brake lathe
