MICHIGAN STATE BRAKES
CERTIFICATION QUESTIONS &
ANSWERS(RATED A+)
Most 1995 & newer vehicles use which of the following types of wheels bearings on
non-drive wheel? - ANSWERSealed 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: - ANSWERdrop 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: - ANSWERSmaller and goes towards the
front of the car.
A cracked or torn vacuum diaphragm in a brake power booster would most likely
cause: - ANSWERa 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? - ANSWERA plugged axle
Which of the following incorrect service procedures will cause brake lock-up? -
ANSWERmaster cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized an ABS system? -
ANSWERPump 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: - ANSWERtechnician use the parking brake
to adjust shoes and the cable is stuck
When turning brake drums: - ANSWERuse a dampening strap to reduce chatter
Which of the following is NOT a necessary drum brake measurement? -
ANSWERrun-out
On a 3-channel system, which wheels are on the same circuit? - ANSWERboth rear
wheels
One way to test an ABS wheel speed signal is to use _____ on your digital
multimeter. - ANSWERAC volts
The key input for the ABS control module comes from the: - ANSWERwheel speed
sensors
, ABS speed sensor and sensor rings: - ANSWERshould not be hammered or tapped
on and should always be replaced as a matched set
Flexible brake hoses should be replaced: - ANSWERwhen dampness is evident on
the hose
Which of the following should be used to check for rotor thickness variation: -
ANSWERMicrometer
After rebuilding a master cylinder, the rod between the master cylinder and booster
should be: - ANSWERadjusted 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? -
ANSWERsilicone fluid added to the system
When inspecting brake fluid levels, a technician observes low fluid levels. which of
the following should be done first? - ANSWERInspect disc brake pads for excessive
wear
Which of the following is true about most properly functioning anti-lock brake
systems? - ANSWERThe 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? - ANSWERMost 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: - ANSWERa "spaced-saver" spare tire is being used and mismatched tires
are being installed
Wheel speed sensors: - ANSWERsend an A/C signal to the control module
Which of the following incorrect service procedures will cause brake lock up? -
ANSWERMaster Cylinder push rod adjusted too long
During a road test, you find that when normal breaking pressure is applied the pedal
slowly goes to the floor. What is the likely cause of this problem? - ANSWERA
leaking master cylinder primary piston seal.
Before replacing a hydralic brake hose on an ABS equipped vehicle, you should first:
- ANSWERrelieve brake system pressure according to manufacturer procedures
When would the pump motor be activated in an anti-lcok brake system with traction
assist? - ANSWERwhen brake pedal pulsates
What does a load sensing proportioning valve do? - ANSWERIt increases the
hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
loaded
CERTIFICATION QUESTIONS &
ANSWERS(RATED A+)
Most 1995 & newer vehicles use which of the following types of wheels bearings on
non-drive wheel? - ANSWERSealed 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: - ANSWERdrop 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: - ANSWERSmaller and goes towards the
front of the car.
A cracked or torn vacuum diaphragm in a brake power booster would most likely
cause: - ANSWERa 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? - ANSWERA plugged axle
Which of the following incorrect service procedures will cause brake lock-up? -
ANSWERmaster cylinder push rod adjusted too long
Which of the following describes the proper way to depressurized an ABS system? -
ANSWERPump 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: - ANSWERtechnician use the parking brake
to adjust shoes and the cable is stuck
When turning brake drums: - ANSWERuse a dampening strap to reduce chatter
Which of the following is NOT a necessary drum brake measurement? -
ANSWERrun-out
On a 3-channel system, which wheels are on the same circuit? - ANSWERboth rear
wheels
One way to test an ABS wheel speed signal is to use _____ on your digital
multimeter. - ANSWERAC volts
The key input for the ABS control module comes from the: - ANSWERwheel speed
sensors
, ABS speed sensor and sensor rings: - ANSWERshould not be hammered or tapped
on and should always be replaced as a matched set
Flexible brake hoses should be replaced: - ANSWERwhen dampness is evident on
the hose
Which of the following should be used to check for rotor thickness variation: -
ANSWERMicrometer
After rebuilding a master cylinder, the rod between the master cylinder and booster
should be: - ANSWERadjusted 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? -
ANSWERsilicone fluid added to the system
When inspecting brake fluid levels, a technician observes low fluid levels. which of
the following should be done first? - ANSWERInspect disc brake pads for excessive
wear
Which of the following is true about most properly functioning anti-lock brake
systems? - ANSWERThe 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? - ANSWERMost 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: - ANSWERa "spaced-saver" spare tire is being used and mismatched tires
are being installed
Wheel speed sensors: - ANSWERsend an A/C signal to the control module
Which of the following incorrect service procedures will cause brake lock up? -
ANSWERMaster Cylinder push rod adjusted too long
During a road test, you find that when normal breaking pressure is applied the pedal
slowly goes to the floor. What is the likely cause of this problem? - ANSWERA
leaking master cylinder primary piston seal.
Before replacing a hydralic brake hose on an ABS equipped vehicle, you should first:
- ANSWERrelieve brake system pressure according to manufacturer procedures
When would the pump motor be activated in an anti-lcok brake system with traction
assist? - ANSWERwhen brake pedal pulsates
What does a load sensing proportioning valve do? - ANSWERIt increases the
hydraulic pressure during braking at the rear wheel cylinders when the vehicle is
loaded
