MICHIGAN STATE BRAKES CERTIFICATION
EXAM QUESTIONS AND ANSWERS
"The brake warning light on the dash stays on all the time, which of the following could be the cause of
the problem? - CORRECT ANSWER A problem in the hydraulic circuit"
"What type of rotor surface provides the best braking with new pads? - CORRECT ANSWER A smooth,
flat surface"
"After drum brakes have been applied and released, the brake fluid returns to the master cylinder
reservoir. What causes it to return? - CORRECT ANSWER brake shoe return springs"
"A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: - CORRECT
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? - CORRECT ANSWER A plugged axle"
"Which of the following incorrect service procedures will cause brake lock-up? - CORRECT ANSWER
master cylinder push rod adjusted too long"
"Which of the following describes the proper way to depressurized an ABS system? - CORRECT 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: - CORRECT ANSWER technician use the parking brake to adjust shoes and the cable is stuck"
"When turning brake drums: - CORRECT ANSWER use a dampening strap to reduce chatter"
"Which of the following is NOT a necessary drum brake measurement? - CORRECT ANSWER run-out"
"On a 3-channel system, which wheels are on the same circuit? - CORRECT ANSWER both rear wheels"
"One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. - CORRECT
ANSWER AC volts"
"The key input for the ABS control module comes from the: - CORRECT ANSWER wheel speed sensors"
, "ABS speed sensor and sensor rings: - CORRECT ANSWER should not be hammered or tapped on and
should always be replaced as a matched set"
"Which of the following could be a symptom of over-torqued lug nuts? - CORRECT ANSWER A brake
pedal pulsation during braking."
"You are rebuilding a master cylinder. What should you use to lubricate the internal parts? - CORRECT
ANSWER Brake fluid"
"A car has a spongy pedal. Which of the following could be the cause? - CORRECT ANSWER Air in the
system."
"Flexible brake hoses should be replaced: - CORRECT ANSWER when dampness is evident on the hose"
"Which of the following should be used to check for rotor thickness variation: - CORRECT ANSWER
Micrometer"
"After rebuilding a master cylinder, the rod between the master cylinder and booster should be: -
CORRECT 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? - CORRECT 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? - CORRECT ANSWER Inspect disc brake pads for excessive wear"
"Which of the following is true about most properly functioning anti-lock brake systems? - CORRECT
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? - CORRECT
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: - CORRECT
ANSWER a "spaced-saver" spare tire is being used and mismatched tires are being installed"
"What does a load sensing proportioning valve do? - CORRECT ANSWER It increases the hydraulic
pressure during braking at the rear wheel cylinders when the vehicle is loaded"
"The brakes of a car squeal each time they are applied, which of the following is the LEAST likely source
of the noise? - CORRECT ANSWER Glazed brake pads"
EXAM QUESTIONS AND ANSWERS
"The brake warning light on the dash stays on all the time, which of the following could be the cause of
the problem? - CORRECT ANSWER A problem in the hydraulic circuit"
"What type of rotor surface provides the best braking with new pads? - CORRECT ANSWER A smooth,
flat surface"
"After drum brakes have been applied and released, the brake fluid returns to the master cylinder
reservoir. What causes it to return? - CORRECT ANSWER brake shoe return springs"
"A cracked or torn vacuum diaphragm in a brake power booster would most likely cause: - CORRECT
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? - CORRECT ANSWER A plugged axle"
"Which of the following incorrect service procedures will cause brake lock-up? - CORRECT ANSWER
master cylinder push rod adjusted too long"
"Which of the following describes the proper way to depressurized an ABS system? - CORRECT 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: - CORRECT ANSWER technician use the parking brake to adjust shoes and the cable is stuck"
"When turning brake drums: - CORRECT ANSWER use a dampening strap to reduce chatter"
"Which of the following is NOT a necessary drum brake measurement? - CORRECT ANSWER run-out"
"On a 3-channel system, which wheels are on the same circuit? - CORRECT ANSWER both rear wheels"
"One way to test an ABS wheel speed signal is to use _____ on your digital multimeter. - CORRECT
ANSWER AC volts"
"The key input for the ABS control module comes from the: - CORRECT ANSWER wheel speed sensors"
, "ABS speed sensor and sensor rings: - CORRECT ANSWER should not be hammered or tapped on and
should always be replaced as a matched set"
"Which of the following could be a symptom of over-torqued lug nuts? - CORRECT ANSWER A brake
pedal pulsation during braking."
"You are rebuilding a master cylinder. What should you use to lubricate the internal parts? - CORRECT
ANSWER Brake fluid"
"A car has a spongy pedal. Which of the following could be the cause? - CORRECT ANSWER Air in the
system."
"Flexible brake hoses should be replaced: - CORRECT ANSWER when dampness is evident on the hose"
"Which of the following should be used to check for rotor thickness variation: - CORRECT ANSWER
Micrometer"
"After rebuilding a master cylinder, the rod between the master cylinder and booster should be: -
CORRECT 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? - CORRECT 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? - CORRECT ANSWER Inspect disc brake pads for excessive wear"
"Which of the following is true about most properly functioning anti-lock brake systems? - CORRECT
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? - CORRECT
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: - CORRECT
ANSWER a "spaced-saver" spare tire is being used and mismatched tires are being installed"
"What does a load sensing proportioning valve do? - CORRECT ANSWER It increases the hydraulic
pressure during braking at the rear wheel cylinders when the vehicle is loaded"
"The brakes of a car squeal each time they are applied, which of the following is the LEAST likely source
of the noise? - CORRECT ANSWER Glazed brake pads"
