ASE MLR
A digital multimeter set on the mV scale has a display of 368. Which of these values does the reading represent?
0.368 Volts
A digital multimeter reading of 450mV is equal to:
0.450 Volts
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?
0.728
A fully charged battery rated at 600CCA, the ambient temperature is 70 degrees. What method should be used to diagnose? Which of these current in time periods should be used?
150A for 30 seconds
Which of these best describes the operation of a continuosly variable transmission?
A CVT can change steplessly through an infinite number of effective gear ratios between max and min values
A vehicle began to pull (drift) to on side after the tires were rotated. No other procedures were performed. The pull could be cause by:
A radial ply tire pull
The customer's concern is low airflow from the dash vent. This could be the cause by:
A restricted cabin filter
A vehicle has a squealing noise that changes with engine speed. This could be caused by:
A worn electric cooling fan
After a coolant thermostat replacement, the engine overheats. This could be caused by:
Air in the cooling system
Which of these cures in the absence of air?
Anaerobic
A vehicle's halogen headlamp bulbs are being replaced. Tech A says that the glass portion of the bulb can be handled with bare hands. Tech B says the headlamp assembly may need to be removed to replace the bulb. (5)
B only (5)
Tech 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? (1)
Both A and B (1)
While inspecting the rear axle wheel studs on a rear-wheel drive vehicle, the tech observed that one stud is damaged. Tech A says that all the wheel studs on the hub assembly should be replaced. Tech B says that the thread pitch and diameter of the replacement stud must be the same as the original. Who is right? (14)
Both A and B (14)
Tech A says that overfilling an automatic transmission can cause the transmission to leak. Tech B says that under filling an automatic transmission can cause shifting problems. (18)
Both A and B (18)
Diagnostic trouble codes is being retrieved from the PCM. Tech A says that after recording the DTC's, the freeze frame data should be reviewed before clearing the codes. Tech B says that the action of clearing the DCTs will turn off the malfunction indicator light. (MIL) Who is right? (39)
Both Tech A and B (39)
A customer complains that the vehicle's red brake warning light stays ON. Tech A says that the parking brake system could be the cause. Tech B says that a leak in the brake hydraulic system cold be the cause. Who is right? (56)
Both Tech A and B (56)
Tech A says that a fusible link is designed to electrically open when excessive electrical current is placed on the circuit it is protecting. Tech B says that a fusible link is constructed of the same gauge wire as the circuit it is protecting. Who is right? (60)
Both Tech A and B (60)
A tech is road testing a vehicle for proper brake operation. Tech A says that a test should check for a sinking brake pedal when sitting at a complete stop. Tech B says that the test should check for any vibration or pulsation when applying brakes. Who is right? (61)
Both Tech A and B (61)
A cranking voltage drop test is being performed using a digital voltmeter. The voltmeter indicates 1.6 volts. What should the tech do next?
Clean the battery terminal and clamps, then retest
Amperage refers to:
Current Flow
While performing a cooling system pressure a test, the tech notices that the pressure drops with no visible signs of a leak. This could be caused by a leak in the:
Cylinder head gasket
Brake fluid must meet minimum standards that are required by the:
Department of Transportation
When measuring parallelism of a disc brake rotor, a tech measures 0.002" variations beyond specifications. The next step is to:
Determine rotor minimum "machine to" thickness
Using the pie chart. Current flow in a circuit can be calculated by
Dividing volts by ohms
A customer states that the left front tire loses air. Any of these could be the cause EXCEPT:
Excessive run out in wheel
A grabbing brake condition can be caused by any of these EXCEPT:
Fluid contaminated brake linings
A red, oily fluid is leaking from under a vehicle equipped with an automatic transaxle. To pinpoint the source of the leak, the tech should:
Install fluorescent leak detection dye in the automatic transaxle
During a cylinder leakage test, air bubbles are observed in the radiator. This could be caused by a:
Leaking head gasket
A restricted cabin air filter can caused
Low airflow from the ducts
The three C's are being reviewed on the repair order. Tech A says that the customer's statement that the steering wheel shakes is the correction. Tech B says that a customer's statement about a puddle on the floor of the customer's garage is the cause. (15)
Neither A or B (15)
The brakes are being bled on a passenger vehicle with a disc/drum brake system. Tech A says that the drums should be removed before bleeding. Tech B says that the fluid in the master cylinder should be kept low during the bleeding procedure. Who is right? (38)
Neither A or B (38)
Tech A says that an engine's lubrication system helps cool engine parts. Tech B says that an engine's lubrication system helps clean engine parts. Who is right? (53)
Neither Tech A or B (53)
A tech is replacing spark plugs on a vehicle. Tech a says that the spark plugs should be tightened using a short handle ratchet. Tech B says that the spark plug threads should be clean and dry when installing new spark plug. Who is right? (64)
Neither Tech A or B (64)
Tech A says that power steering pump drive belts should be tighted as much as possible. Tech B says that a loose power steering pump drive belt could produce excessive noise during operation. (76)
Neither Tech A or B (76)
While cycling the ignition key from the key OFF/engine OFF position to the key ON/engine OFF position the red brake light comes ON and then turns OFF. This could be caused by:
Normal operation of the instrument warning indicators.
Which of these agencies enforces commercial workplace safety and environmental health regulations?
OSHA
A tech installs new brake pads on the front of a vehicle. Before the vehicle is removed from the lift the tech should:
Pump the brake pedal until firm
A vehicle has failed a charging system output test. Which of these should be the tech do nect?
Replace the generator (alternator)
While inspecting a vehicle's power steering system, the tech observes a fluid leak coming from the high-pressure hose crimp connection. To repair the leak the tech should:
Replace the high-pressure hose
When a shop fire cannot be immediately contained, the best thing to do is warn others in the area, and:
Safely exit the building
A transmission equipped with a filter is being serviced. When installing the new filter, the:
Seal should be lubricated with transmission fluid
Any of these is a recommended automotive lift safety procedure EXCEPT:
Shake the vehicle while it is at working height to see if it is stable
The diesel exhaust fluid is being adjusted on a vehicle. Any fluid that remains in the bottle should be:
Stored in the original container.
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 the directional tires are rotated in a criss-cross pattern. Who is right? (2)
Tech A (2)
Tech A says that rosin-core solder should be used when soldering electrical connections. Tech B says that a crimp and shrink connector can be used when repairing electrical wiring. Who is right? (23)
Tech A (23)
Both front wheels are to be removed from a vehicle. Tech A says that if a floor jack is to be used to raise the vehicles. the vehicle should be supported with Jack Stands. Tech 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. (24)
Tech A (24)
Tech A says that disconnecting the negative battery cable may be required to disable the air bag system. Tech B says that a self-powered test light can be used the test air bag system components. Who is right? (25)
Tech A (25)
Tech A says that excessive play of the inner tie rod indicated that the inner tie rod must be replaced. Tech B says that a torn bellows boot on the rack and pinion indicates that the outer tie road end must be replaced. Who is right? (30)
Tech A (30)
A floating front brake caliper is being replaced. Tech A says that after installation, the brake hose to caliper fitting should be checked for leaks. Tech B says that both caliper pins should be lubricated with DOT 4 brake fluid. Who is right? (32)
Tech A (32)
A driveshaft universal joint is being replaced and the tech cannot install the retaining clip. Tech A says that a dislocated needle bearing could be the cause. Tech B says that a damaged spline in the yoke could be the cause. Who is right? (33)
Tech A (33)
Tech A says that when reinstalling a wheel and tire assembly on a vehicle the lug nuts should be tightened using a torque wrench. Tech B says that when reinstalling a wheel and tire assembly on a vehicle the lug nut should be tightened in a circular pattern. Who is right? (42)
Tech A (42)
Tire pressure on a passenger vehicle is being checked and adjusted at ambient temperature. Tech A says that correct tire inflation pressure for the vehicle may be found on a placard on the driver's door. Tech B says that the correct inflation pressure for the vehicle may be found on the markings on the tire sidewall. Who is right? (44)
Tech A (44)
Tech A says that a positive crankcase ventilation (PVC) system reduces vehicle emissions. Tech B says that a positive crankcase ventilation (PCV) system helps increase crankcase pressure. Who is right? (45)
Tech A (45)
Tech A says that tire rotation helps to extend the tire life. Tech B says that directional tires should be rotated in X patterns. Who is right? (49)
Tech A (49)
While performing a cylinder leakage test, the tech hears air coming out of the exhaust pipe. Tech A says that a burned exhaust valve could be the cause. Tech B says that a leaking head gasket could be the cause. (52)
Tech A (52)
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? (7)
Tech A (7)
During an instruction panel gauge test, the tech observes that the engine temp gauge is reading 200F on a cold engine. Tech A says that a scan tool can be used to compare the gauge reading to the coolant temp sensor reading. Tech B says that an open coolant thermostat could be the cause. (71)
Tech A (71)
A vehicle is being checked for power steering fluid leaks. Tech A says that leaks can develop in the fittings, hoses and seals. Tech B says that the steering components should be observed for leaks while a helper turns the steering wheel to the right and left. Who is right? (73)
Tech A (73)
A musty smell is coming from the A/C vents. Tech A says that a recirculation door stuck open to the outside air position could be the cause. Tech B says that bacterial mold on the evaporator core could be the cause. Who is right? (35)
Tech B (35)
The transmission fluid is being checked on a vehicle equipped with an automatic transmission that does not use a dipstick for checking fluid level. Tech A says that the vehicle should be level on the lift to check the fluid level. Tech B says that the transmission fluid temperatures should be taken into consideration for accuracy of the fluid level check. Who is right? (47)
Tech B (47)
The ride (curb) height of a vehicle's front end is 2" below the manufacturer's specifications. Tech A says that this could cause tire wear problems. Tech B says that this could cause vehicle handling problems. Who is right? (51)
Tech B (51)
A flexible rubber brake hose in being inspected. Tech A says that small blisters in the rubber are acceptable as long as they are not leaking. Tech B says that small cracks in the rubber require replacement of the hose. Who is right? (54)
Tech B (54)
Tech A says that eye protection should be worn at all times while in the lab area. Tech A says that a leaking heater core could be the cause. Tech B says that a clogged evaporator drain could be the cause. (57)
Tech B (57)
During turns, clear water drips out from under the dash onto the passenger side floor. Tech A says that a leaking heater core could be the cause. Tech B says that a clogged evaporator drain could be the cause. (58)
Tech B (58)
The limited slip rear axle assembly of a vehicle has multiple oil leaks. Tech A says that using the incorrect type of fluid could be the cause. Tech B says that a plugged axle vent could be the cause. Who is right? (59)
Tech B (59)
Which of these is an indication of air in the brake hydraulic system?
The brake pedal feels low and spongy
A tech is adjusting the valve lash on a four cylinder engine. If the valve clearance is set too tight, any of these could occur EXCEPT:
The engine may develop an oil leak
A fusible link should be:
The same gauge size as the wiring it is protecting.
Spark plugs are being replaced on a vehicle Any of the following may be true EXCEPT:
The spark plug threads should be started using a ratchet.
Which of these should be done when reinstalling the wheels on a vehicle after completing a brake service?
Tighten the lug nuts in a star pattern
Spark plugs are being replaced on a V-6 engine. Which of the following should be performed prior to removing the boot?
Twist the boot 1/2 a turn
When performing an oil filter change on a vehicle with a spin on oil filter, the tech must:
Visually verify that the oil filter gasket is properly installed
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:
Voltage Regulator
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?
Water in the lubricant
After the manual transmission fluid was changed on a vehicle, it is difficult to shift gears. Which of these could be the cause?
Worn clutch assembly
Which of these colors is used as a safety warning indicator to help identify SRS related connectors?
Yellow
The designation "P205/70R15" appears on a tire. The number 205 indicated the:
cross sectional width
