ASE G1 MLR Certification: Key Concepts and Practice
The automotive repair process is a 6 step process. What is the last step? - correct answer ✔✔Verify the
Repair
A vehicle comes in the shop with an engine noise. What should be done first? - correct answer
✔✔Discuss the noise with the customer
A spark ignition engine has a flapping sound near the front. Which of the following could be the cause? -
correct answer ✔✔Loose timing belt
A tight timing belt makes what type of noise? - correct answer ✔✔Whining Sound
An orange colored liquid is found under the front of the engine. What is leaking? - correct answer
✔✔coolant
There is blue fluid beneath the vehicle. The fluid is most likely - correct answer ✔✔Windshield washer
fluid
What type of diesel fuel is critical to DEF systems? - correct answer ✔✔Ultra low sulfur diesel
The DEF is added at what loation on a light duty diesel powered vehicle? - correct answer ✔✔A fitting
near the fuel door
2 Techs are discussing DEF. A says it is acceptable to add water to the DEF. B says you can use a
refractormeter to measure the density and quality of the DEF. Who is correct? - correct answer ✔✔B
Only
2 Techs are discussing engine coolant. A says a week solution of antifreeze will cause corrosion build up.
B says some manufacturers recommend coolant be changed at specified intervals. Who is correct? -
correct answer ✔✔Both A and B
, When flushing and refilling a cooling system, all of the following steps are necessary, EXCEPT: - correct
answer ✔✔Mixing tap water and distilled water
What tool is used to measure engine coolant freeze protection? - correct answer ✔✔Hydrometer
Tech A Says to replace the engine coolant thermostat once a year.
Tech B Says the lower radiator hose contains a spring to prevent it from collapsing and causing a
restriction. Who is Right? - correct answer ✔✔B Only
The engine water pump is going to be replaced. Which of the following is done as a part of that repair
process? - correct answer ✔✔Drain the coolant below the water pump level
The figure shows a belt tensioner with 4 lines, which indicate proper belt tension, wear, or the need for
replacement. Tech A says when a new belt is installed, the three line marks close to each other should be
positioned as shown. Tech B says to always check the onlineservice information for belt wear indicators.
Who is correct? - correct answer ✔✔B Only
Two Technicians are explaining radiator cap service. Tech A says a radiator cap is tested using a coolant
system pressure tester. Tech B says when the cap does not hold enough pressure you can replace the cap
gasket. Who is correct? - correct answer ✔✔A Only
Tech A says you should inspect all types of fan blades for stress fractures. Tech B says if there are signs of
silicone residue at the viscous fan clutch it must be replaced. Who is correct? - correct answer ✔✔A Only
An engine has an oil leak at the valve cover. The technician has replaced the valve cover gasket but the
oil still leaks out. What is the most likely cause.? - correct answer ✔✔Stuck PCV Valve
Two Technicians are describing the replacement of a thermostat. Tech A says the upper hose should be
removed from the thermostat housing neck then you remove the housing to replace the thermostat.
Tech B says on some applications you remove the radiator pressure cap and install a new thermostat into
the top of the radiator. Who is correct? - correct answer ✔✔Both A and B
Two technicians are discussing an oil change. Tech A says synthetic oils provide a safe way to exceed the
manufactures recommended oil change intervals. Tech B says to consult the online service information
The automotive repair process is a 6 step process. What is the last step? - correct answer ✔✔Verify the
Repair
A vehicle comes in the shop with an engine noise. What should be done first? - correct answer
✔✔Discuss the noise with the customer
A spark ignition engine has a flapping sound near the front. Which of the following could be the cause? -
correct answer ✔✔Loose timing belt
A tight timing belt makes what type of noise? - correct answer ✔✔Whining Sound
An orange colored liquid is found under the front of the engine. What is leaking? - correct answer
✔✔coolant
There is blue fluid beneath the vehicle. The fluid is most likely - correct answer ✔✔Windshield washer
fluid
What type of diesel fuel is critical to DEF systems? - correct answer ✔✔Ultra low sulfur diesel
The DEF is added at what loation on a light duty diesel powered vehicle? - correct answer ✔✔A fitting
near the fuel door
2 Techs are discussing DEF. A says it is acceptable to add water to the DEF. B says you can use a
refractormeter to measure the density and quality of the DEF. Who is correct? - correct answer ✔✔B
Only
2 Techs are discussing engine coolant. A says a week solution of antifreeze will cause corrosion build up.
B says some manufacturers recommend coolant be changed at specified intervals. Who is correct? -
correct answer ✔✔Both A and B
, When flushing and refilling a cooling system, all of the following steps are necessary, EXCEPT: - correct
answer ✔✔Mixing tap water and distilled water
What tool is used to measure engine coolant freeze protection? - correct answer ✔✔Hydrometer
Tech A Says to replace the engine coolant thermostat once a year.
Tech B Says the lower radiator hose contains a spring to prevent it from collapsing and causing a
restriction. Who is Right? - correct answer ✔✔B Only
The engine water pump is going to be replaced. Which of the following is done as a part of that repair
process? - correct answer ✔✔Drain the coolant below the water pump level
The figure shows a belt tensioner with 4 lines, which indicate proper belt tension, wear, or the need for
replacement. Tech A says when a new belt is installed, the three line marks close to each other should be
positioned as shown. Tech B says to always check the onlineservice information for belt wear indicators.
Who is correct? - correct answer ✔✔B Only
Two Technicians are explaining radiator cap service. Tech A says a radiator cap is tested using a coolant
system pressure tester. Tech B says when the cap does not hold enough pressure you can replace the cap
gasket. Who is correct? - correct answer ✔✔A Only
Tech A says you should inspect all types of fan blades for stress fractures. Tech B says if there are signs of
silicone residue at the viscous fan clutch it must be replaced. Who is correct? - correct answer ✔✔A Only
An engine has an oil leak at the valve cover. The technician has replaced the valve cover gasket but the
oil still leaks out. What is the most likely cause.? - correct answer ✔✔Stuck PCV Valve
Two Technicians are describing the replacement of a thermostat. Tech A says the upper hose should be
removed from the thermostat housing neck then you remove the housing to replace the thermostat.
Tech B says on some applications you remove the radiator pressure cap and install a new thermostat into
the top of the radiator. Who is correct? - correct answer ✔✔Both A and B
Two technicians are discussing an oil change. Tech A says synthetic oils provide a safe way to exceed the
manufactures recommended oil change intervals. Tech B says to consult the online service information
