ASE MLR Certification Test 2025
Questions and Answers
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?
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, 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 thread pitch and diameter of the
replacement stud must be the same as the original. Who is right?
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
Questions and Answers
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?
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 1
, 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 thread pitch and diameter of the
replacement stud must be the same as the original. Who is right?
FOR STUDY PURPOSES ONLY COPYRIGHT © 2025 ALL RIGHTS RESERVED 2
