©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
ASE 1-180 Exam Practice Questions and
Answers
The automotive repair process is a six step process. What is the last step in that process? - Ans:✔✔-
verifying the repair
A vehicle comes in the shop with an engine noise. What should be done first? - Ans:✔✔-discuss the
noise with the vehicle owner
A spark ignition engine has a flapping sound near the front. Which of the following could be the cause? -
Ans:✔✔-loose timing belt
A tight timing belt makes what type of noise? - Ans:✔✔-whining sound
An orange colored liquid is found under the front of the engine. What is leaking? - Ans:✔✔-coolant
There is a blue fluid beneath vehicle. The fluid is most likely ______________. - Ans:✔✔-windshield
washer fluid
The use of what type of diesel fuel is critical to diesel exhaust fuel used in SCR (selective catalyst
reduction) systems? - Ans:✔✔-Ultra Low Sulfur Diesel
Page 1/27
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
The DEF (diesel exhaust fuel) is added at what location on a light duty diesel powered vehicle? - Ans:✔✔-
fitting near fuel door
Two technicians are discussing DEF (diesel exhaust fluid). Technician A says it is acceptable to add water
to the DEF. Technician B says you can use a refractometer to measure the density and quality of the DEF.
Who is right? - Ans:✔✔-B only
Two technicians are discussing engine coolant. Technician A says a weak solution of antifreeze may cause
corrosion build-up in the cooling system. Technician B says some original equipment manufacturers
(OEM) recommend that the coolant be changed at specified intervals. Who is right? - Ans:✔✔-Both A
and B
When flushing and refilling a cooling system, all of the following steps are necessary, EXCEPT: - Ans:✔✔-
mixing tap water and distilled water
What tool is used to measure engine coolant freeze protection? - Ans:✔✔-hydrometer
Two technicians are explaining radiator cap service. Technician A says a radiator cap s tested using a
cooling system pressure tester. Technician B says when the radiator cap does not hold enough pressure,
you can replace the cap gasket. Who is correct? - Ans:✔✔-A only
Two technicians are describing the replacement of a thermostat. Technician A says the upper hose
should be removed from the thermostat housing neck then you remove the housing to replace the
thermostat. Technician B says on some applications you remove the radiator pressure cap and install a
Page 2/27
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
new thermostat into the engine radiator fill tube underneath the pressure cap. Who is right? - Ans:✔✔-
Both A and B
Technician A says to replace the engine cooling thermostat once a year. Technician B says the lower
radiator hose contains a spring to prevent it from collapsing and causing a restriction. Who is right? -
Ans:✔✔-B only
Technician A says you should inspect all types of fan blades for stress fractures. Technician B says that if
there are signs of silicone residue at the viscous mechanical clutch, the fan clutch must be replaced. Who
is right? - Ans:✔✔-A only
The engine water pump is going to be replaced. Which of following is done as part of that repair
process? - Ans:✔✔-drain the coolant below the water pump level
Two technicians are discussing an oil change. Technician A says synthetic oils provide a safe way to
exceed the manufacturer's recommended oil change intervals. Technician B says to consult the on-line
service information or owner's manual for the correct viscosity and amount of oil. Who is right? -
Ans:✔✔-B only
The figure shows a belt tensioner with four lines, which indicates proper tension, belt wear, and/or the
need for replacement. Technician A says when a new belt is installed, the three line marks close to each
other should be positioned as sown in the figure which indicates the belt is properly tensioned.
Technician B says to always check the on-line service information for the belt wear indicators. Who is
right? - Ans:✔✔-B only
Page 3/27
FIRST PUBLISH OCTOBER 2024
ASE 1-180 Exam Practice Questions and
Answers
The automotive repair process is a six step process. What is the last step in that process? - Ans:✔✔-
verifying the repair
A vehicle comes in the shop with an engine noise. What should be done first? - Ans:✔✔-discuss the
noise with the vehicle owner
A spark ignition engine has a flapping sound near the front. Which of the following could be the cause? -
Ans:✔✔-loose timing belt
A tight timing belt makes what type of noise? - Ans:✔✔-whining sound
An orange colored liquid is found under the front of the engine. What is leaking? - Ans:✔✔-coolant
There is a blue fluid beneath vehicle. The fluid is most likely ______________. - Ans:✔✔-windshield
washer fluid
The use of what type of diesel fuel is critical to diesel exhaust fuel used in SCR (selective catalyst
reduction) systems? - Ans:✔✔-Ultra Low Sulfur Diesel
Page 1/27
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
The DEF (diesel exhaust fuel) is added at what location on a light duty diesel powered vehicle? - Ans:✔✔-
fitting near fuel door
Two technicians are discussing DEF (diesel exhaust fluid). Technician A says it is acceptable to add water
to the DEF. Technician B says you can use a refractometer to measure the density and quality of the DEF.
Who is right? - Ans:✔✔-B only
Two technicians are discussing engine coolant. Technician A says a weak solution of antifreeze may cause
corrosion build-up in the cooling system. Technician B says some original equipment manufacturers
(OEM) recommend that the coolant be changed at specified intervals. Who is right? - Ans:✔✔-Both A
and B
When flushing and refilling a cooling system, all of the following steps are necessary, EXCEPT: - Ans:✔✔-
mixing tap water and distilled water
What tool is used to measure engine coolant freeze protection? - Ans:✔✔-hydrometer
Two technicians are explaining radiator cap service. Technician A says a radiator cap s tested using a
cooling system pressure tester. Technician B says when the radiator cap does not hold enough pressure,
you can replace the cap gasket. Who is correct? - Ans:✔✔-A only
Two technicians are describing the replacement of a thermostat. Technician A says the upper hose
should be removed from the thermostat housing neck then you remove the housing to replace the
thermostat. Technician B says on some applications you remove the radiator pressure cap and install a
Page 2/27
, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED
FIRST PUBLISH OCTOBER 2024
new thermostat into the engine radiator fill tube underneath the pressure cap. Who is right? - Ans:✔✔-
Both A and B
Technician A says to replace the engine cooling thermostat once a year. Technician B says the lower
radiator hose contains a spring to prevent it from collapsing and causing a restriction. Who is right? -
Ans:✔✔-B only
Technician A says you should inspect all types of fan blades for stress fractures. Technician B says that if
there are signs of silicone residue at the viscous mechanical clutch, the fan clutch must be replaced. Who
is right? - Ans:✔✔-A only
The engine water pump is going to be replaced. Which of following is done as part of that repair
process? - Ans:✔✔-drain the coolant below the water pump level
Two technicians are discussing an oil change. Technician A says synthetic oils provide a safe way to
exceed the manufacturer's recommended oil change intervals. Technician B says to consult the on-line
service information or owner's manual for the correct viscosity and amount of oil. Who is right? -
Ans:✔✔-B only
The figure shows a belt tensioner with four lines, which indicates proper tension, belt wear, and/or the
need for replacement. Technician A says when a new belt is installed, the three line marks close to each
other should be positioned as sown in the figure which indicates the belt is properly tensioned.
Technician B says to always check the on-line service information for the belt wear indicators. Who is
right? - Ans:✔✔-B only
Page 3/27
