ASE MLR Certification Test Questions and
Answers (100% Pass)
Both A and B - ✔️✔️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 - ✔️✔️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 - ✔️✔️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 - ✔️✔️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 - ✔️✔️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 - ✔️✔️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 - ✔️✔️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 - ✔️✔️Which of these is an indication of air in the
brake hydraulic system?
Anaerobic - ✔️✔️Which of these cures in the absence of air?
Fluid contaminated brake linings - ✔️✔️A grabbing brake condition can be caused by any
of these EXCEPT:
Visually verify that the oil filter gasket is properly installed - ✔️✔️When performing an oil
filter change on a vehicle with a spin on oil filter, the technician must:
Voltage regulation - ✔️✔️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 - ✔️✔️A transmission equipped with a
filter is being serviced. When installing the new filter, the:
Both A and B - ✔️✔️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?
Neither A nor B - ✔️✔️The three C's (concern, cause, and correction) are being reviewed
on the repair order. Technician A says that the customer's statement that the steering
wheel shakes is the "correction". Technician B says that a customer's statement about a
puddle on the floor of the customer's garage is the "cause".
Pump the brake pedal until firm - ✔️✔️A technician installs new brake pads on the front of
a vehicle. Before the vehicle is removed from the lift the technician should:
Determine rotor minimum "machine to" thickness - ✔️✔️When measuring parallelism of a
disc brake rotor, a technician measures 0.002" variation beyond specifications. The next
step is to:
2
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