ASE MLR CERTIFICATION TEST
QUESTIONS AND ANSWERS
Both A and B - Answer-Technician A says that overfilling an automatic transmission can
cause the transmission to leak. Technician B says that under filling an automatic
transmission can cause shifting problems. Who is right?
Water in the lubricant - Answer-While checking the fluid level in the front differential of a
four-wheel drive vehicle, the lubricant is found to be milky and overfull. Which of these
could be the cause?
A restricted cabin filter - Answer-The customer's concern is low airflow from the dash
vent. This could be the cause by:
Excessive run out in the wheel - Answer-A customer states that the left front tire loses
air. Any of these could be the cause EXCEPT:
OSHA - Answer-Which of these agencies enforces commercial workplace safety and
environmental health regulations?
A only - Answer-Technician A says that rosin-core solder should be used when
soldering electrical connections. Technician B says that a crimp and shrink connector
can be used when repairing electrical wiring. Who is right?
A only - Answer-Both front wheels are to be removed from a vehicle. Technician A says
that if a floor jack is to be used to raise the vehicles, the vehicle should be supported
with jack stands. Technician B says that if an electric lift is to be used to raise the
vehicle, jack stands should be placed at the four corners of the vehicle. Who is right?
A only - Answer-Technician A says that disconnecting the negative battery cable may
be required to disable the air bag system. Technician B says that a self-powered test
light can be used to test air bag system components. Who is right?
A only - Answer-Technician A says that disconnecting the negative battery cable may
be required to disable the airbag system. Technician B says that a self-powered test
light can be used to test air bag system components. Who is right?
Replace the high-pressure hose - Answer-While inspecting a vehicle's power steering
system, the technician observes a fluid leak coming from the high-pressure hose crimp
connection. To repair the leak the technician should:
Both A and B - Answer-Technician observes that the brake fluid level is at the "Min"
mark in the master cylinder reservoir. Tech A says that worn front pads could be the
, cause. Tech B says that a leak in the brake hydraulic system could be the cause. Who
is right?
A only - Answer-The tires of a vehicle are being rotated and balanced. Tech A says that
the wheel weight retaining clips must be matched to the rim profile. Tech B says that
directional tires are rotated in a criss-cross pattern. Who is right?
Safely exit the building - Answer-When a shop fire cannot be immediately contained, the
best thing to do is warn others in the area, and:
300 amps for 15 seconds - Answer-A fully charged battery rated at 600 CCA, the
ambient temperature is 70 degrees which of these current and time periods should be
used?
B only - Answer-A vehicle's halogen headlamp bulbs are being replaced. Technician A
says the glass part of the bulb can only be handled with bare hands. Technician B says
the headlamp may need to be removed. Who is right?
0.728 - Answer-On a Metric Micrometer upper sleeve reading 5.0mm with lower sleeve
reading 0.50mm and a thimble reading of 0.01mm what is the overall reading?
A only - Answer-The fuel filter on a fuel-injected vehicle is being replaced. Tech A says
the fuel pressure should be relieved before removing the filter. Tech B says that the
arrow on the fuel filter should point towards the fuel tank. Who is right?
The brake pedal feels low and spongy - Answer-Which of these is an indication of air in
the brake hydraulic system?
Anaerobic - Answer-Which of these cures in the absence of air?
Fluid contaminated brake linings - Answer-A grabbing brake condition can be caused by
any of these EXCEPT:
Visually verify that the oil filter gasket is properly installed - Answer-When performing an
oil filter change on a vehicle with a spin on oil filter, the technician must:
Voltage regulation - Answer-A vehicle's battery prematurely fails. A charging system
output test shows the generator (alternator) is producing a constant 16.0 volts. This
could indicate a failed:
Seal should be lubricated with transmission fluid - Answer-A transmission equipped with
a filter is being serviced. When installing the new filter, the:
Both A and B - Answer-While inspecting the rear axle wheel studs on a rear-wheel drive
vehicle, the technician observed that one stud is damaged. Technician A says that all
the wheel studs on the hub assembly should be replaced. Technician B says that the
QUESTIONS AND ANSWERS
Both A and B - Answer-Technician A says that overfilling an automatic transmission can
cause the transmission to leak. Technician B says that under filling an automatic
transmission can cause shifting problems. Who is right?
Water in the lubricant - Answer-While checking the fluid level in the front differential of a
four-wheel drive vehicle, the lubricant is found to be milky and overfull. Which of these
could be the cause?
A restricted cabin filter - Answer-The customer's concern is low airflow from the dash
vent. This could be the cause by:
Excessive run out in the wheel - Answer-A customer states that the left front tire loses
air. Any of these could be the cause EXCEPT:
OSHA - Answer-Which of these agencies enforces commercial workplace safety and
environmental health regulations?
A only - Answer-Technician A says that rosin-core solder should be used when
soldering electrical connections. Technician B says that a crimp and shrink connector
can be used when repairing electrical wiring. Who is right?
A only - Answer-Both front wheels are to be removed from a vehicle. Technician A says
that if a floor jack is to be used to raise the vehicles, the vehicle should be supported
with jack stands. Technician B says that if an electric lift is to be used to raise the
vehicle, jack stands should be placed at the four corners of the vehicle. Who is right?
A only - Answer-Technician A says that disconnecting the negative battery cable may
be required to disable the air bag system. Technician B says that a self-powered test
light can be used to test air bag system components. Who is right?
A only - Answer-Technician A says that disconnecting the negative battery cable may
be required to disable the airbag system. Technician B says that a self-powered test
light can be used to test air bag system components. Who is right?
Replace the high-pressure hose - Answer-While inspecting a vehicle's power steering
system, the technician observes a fluid leak coming from the high-pressure hose crimp
connection. To repair the leak the technician should:
Both A and B - Answer-Technician observes that the brake fluid level is at the "Min"
mark in the master cylinder reservoir. Tech A says that worn front pads could be the
, cause. Tech B says that a leak in the brake hydraulic system could be the cause. Who
is right?
A only - Answer-The tires of a vehicle are being rotated and balanced. Tech A says that
the wheel weight retaining clips must be matched to the rim profile. Tech B says that
directional tires are rotated in a criss-cross pattern. Who is right?
Safely exit the building - Answer-When a shop fire cannot be immediately contained, the
best thing to do is warn others in the area, and:
300 amps for 15 seconds - Answer-A fully charged battery rated at 600 CCA, the
ambient temperature is 70 degrees which of these current and time periods should be
used?
B only - Answer-A vehicle's halogen headlamp bulbs are being replaced. Technician A
says the glass part of the bulb can only be handled with bare hands. Technician B says
the headlamp may need to be removed. Who is right?
0.728 - Answer-On a Metric Micrometer upper sleeve reading 5.0mm with lower sleeve
reading 0.50mm and a thimble reading of 0.01mm what is the overall reading?
A only - Answer-The fuel filter on a fuel-injected vehicle is being replaced. Tech A says
the fuel pressure should be relieved before removing the filter. Tech B says that the
arrow on the fuel filter should point towards the fuel tank. Who is right?
The brake pedal feels low and spongy - Answer-Which of these is an indication of air in
the brake hydraulic system?
Anaerobic - Answer-Which of these cures in the absence of air?
Fluid contaminated brake linings - Answer-A grabbing brake condition can be caused by
any of these EXCEPT:
Visually verify that the oil filter gasket is properly installed - Answer-When performing an
oil filter change on a vehicle with a spin on oil filter, the technician must:
Voltage regulation - Answer-A vehicle's battery prematurely fails. A charging system
output test shows the generator (alternator) is producing a constant 16.0 volts. This
could indicate a failed:
Seal should be lubricated with transmission fluid - Answer-A transmission equipped with
a filter is being serviced. When installing the new filter, the:
Both A and B - Answer-While inspecting the rear axle wheel studs on a rear-wheel drive
vehicle, the technician observed that one stud is damaged. Technician A says that all
the wheel studs on the hub assembly should be replaced. Technician B says that the
