A1 ASE TEST QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
A cooling system is pressurized to 15 psi with a pressure tester. After five minutes, the pressure reading
on the tester is 3 psi, and there are no external leaks. Technician A says that the automatic transmission
cooler may be leaking. Technician B says that the heat gasket may be leaking. Who is correct?
A only
B only
Both A and B
Neither A nor B - ANSWER Both A and B
A customer complains about lacks of heat in the vehicle interior. The coolant level and thermostat are
proven to be satisfactory. Tech A says that there may be air in the cooling system and a cooling system
bleeding procedure should be performed. Tech B says that the head gasket may be leaking. Who is
correct?
A only
B only
Both A and B
Neither A nor B - ANSWER A only
A longitudinally mounted V6 engine has cylinders 1, 3 and 5 on the side of the engine next to the
firewall, and cylinders 2, 4, and 6 on the side next to the radiator. A compression test indicates cylinders
3 and 5 have 55 psi compression and all the other cylinders have 140 psi compression. The most likely
cause of this problem is:
`A burned exhaust valves in cylinders 3 and 5
`A leaking head gasket between cylinders 3 and 5
`Worn rings on cylinders 3 and 5
`Worn valve guides and seals in cylinders 3 and 5 - ANSWER A leaking head gasket between cylinders 3
and 5
, A starter motor draws 350 amperes and the engine has a slow cranking complaint. The specified starter
draw is 200 amperes. All the following defects may be the cause of the problem EXCEPT:
`Worn starting motor bushings
`Excessive engine compression
`A defective starting motor armature
`A battery that indicates 9.6 V on a load test at 70 degrees F - ANSWER A battery that indicates 9.6 V on a
load test at 70 degrees F
All of the following defects will cause the pressure to decrease during a cooling system pressure test
EXCEPT:
`A leaking heater core
`Leaking core plugs in the engine block
`Plugged air passages in the radiator
`A leaking transmission cooler - ANSWER Plugged air passages in the radiator
All of the following statements about a battery load test are true EXCEPT:
`The battery should be discharged at one-half the cold cranking rating during the test
`The battery temp should be above 40 degrees F before performing the test
`The battery's specific gravity should be above 1,190 before performing the test
`The battery is satisfactory if the voltage remains above 8.8 V after fifteen seconds with the battery temp
at 70 degrees F - ANSWER The battery is satisfactory if the voltage remains above 8.8 V after fifteen
seconds with the battery temp at 70 degrees F
An accumulation of oil in the air cleaner may be caused by a:
`partially restricted PCV valve
ANSWERS WITH SOLUTIONS 2024
A cooling system is pressurized to 15 psi with a pressure tester. After five minutes, the pressure reading
on the tester is 3 psi, and there are no external leaks. Technician A says that the automatic transmission
cooler may be leaking. Technician B says that the heat gasket may be leaking. Who is correct?
A only
B only
Both A and B
Neither A nor B - ANSWER Both A and B
A customer complains about lacks of heat in the vehicle interior. The coolant level and thermostat are
proven to be satisfactory. Tech A says that there may be air in the cooling system and a cooling system
bleeding procedure should be performed. Tech B says that the head gasket may be leaking. Who is
correct?
A only
B only
Both A and B
Neither A nor B - ANSWER A only
A longitudinally mounted V6 engine has cylinders 1, 3 and 5 on the side of the engine next to the
firewall, and cylinders 2, 4, and 6 on the side next to the radiator. A compression test indicates cylinders
3 and 5 have 55 psi compression and all the other cylinders have 140 psi compression. The most likely
cause of this problem is:
`A burned exhaust valves in cylinders 3 and 5
`A leaking head gasket between cylinders 3 and 5
`Worn rings on cylinders 3 and 5
`Worn valve guides and seals in cylinders 3 and 5 - ANSWER A leaking head gasket between cylinders 3
and 5
, A starter motor draws 350 amperes and the engine has a slow cranking complaint. The specified starter
draw is 200 amperes. All the following defects may be the cause of the problem EXCEPT:
`Worn starting motor bushings
`Excessive engine compression
`A defective starting motor armature
`A battery that indicates 9.6 V on a load test at 70 degrees F - ANSWER A battery that indicates 9.6 V on a
load test at 70 degrees F
All of the following defects will cause the pressure to decrease during a cooling system pressure test
EXCEPT:
`A leaking heater core
`Leaking core plugs in the engine block
`Plugged air passages in the radiator
`A leaking transmission cooler - ANSWER Plugged air passages in the radiator
All of the following statements about a battery load test are true EXCEPT:
`The battery should be discharged at one-half the cold cranking rating during the test
`The battery temp should be above 40 degrees F before performing the test
`The battery's specific gravity should be above 1,190 before performing the test
`The battery is satisfactory if the voltage remains above 8.8 V after fifteen seconds with the battery temp
at 70 degrees F - ANSWER The battery is satisfactory if the voltage remains above 8.8 V after fifteen
seconds with the battery temp at 70 degrees F
An accumulation of oil in the air cleaner may be caused by a:
`partially restricted PCV valve
