ASE Certification Exam
Coolant should be tested for ________.
Proper color
Freezing point (temperature)
Specific Gravity
Both b and c - ANSWER:Both b and c
Two technicians are discussing a compression test. Technician A says that the engine should be cranked
over with the pressure gauge installed for "4 puffs." Technician B says that the maximum difference
between the highest reading cylinder and the lowest reading cylinder should be 20%. Which technician
is correct?
Technician A only
Technician b only
Both Technician A and B
Neither technician a nor b - ANSWER:Both technician a and b
Technician A says that oil should be squirted into all the cylinders before taking a compression test.
Technician B says that if the compression greatly increases when some oil is squirted in the cylinders, it
indicates defective or worn piston rings.
Technician A
Technician B
Both technicians
Neither technician - ANSWER:Technician B
During a cylinder leakage (leak-down) test, air is noticed coming out of the oil fill opening. Technician A
says that the oil filter my be logged. Technician B says that the piston rings may be worn or defective.
Which technician is correct?
Technician A
, Technician B
Both A and B
Neither A nor B - ANSWER:Technician B
Leaking antifreeze can be what color?
Green
Orange
Red
Any of the above - ANSWER:Any of the above
What precautions are needed to be performed to help prevent air from getting trapped in the cooling
system when replacing coolant?
Use the proper antifreeze as specified
Open bleeder valves during filling
Use premixed coolant
Wear protective gloves - ANSWER:Open bleeder valves during filling
When replacing a water pump, be sure to _____________
Torque all fasteners to factory specifications
Use a new gasket/seal
Check that the accessory drive belt is properly aligned and adjusted to the proper tension
All of the above - ANSWER:All of the above
When using a scan tool to retrieve diagnostic trouble codes (DTCs) the technician should also _________
Check monitor status
Check freeze frame data
Record any stored DTCs
All of the above - ANSWER:All of the above
When replacing an external fuel filter, best practices include ________________
Coolant should be tested for ________.
Proper color
Freezing point (temperature)
Specific Gravity
Both b and c - ANSWER:Both b and c
Two technicians are discussing a compression test. Technician A says that the engine should be cranked
over with the pressure gauge installed for "4 puffs." Technician B says that the maximum difference
between the highest reading cylinder and the lowest reading cylinder should be 20%. Which technician
is correct?
Technician A only
Technician b only
Both Technician A and B
Neither technician a nor b - ANSWER:Both technician a and b
Technician A says that oil should be squirted into all the cylinders before taking a compression test.
Technician B says that if the compression greatly increases when some oil is squirted in the cylinders, it
indicates defective or worn piston rings.
Technician A
Technician B
Both technicians
Neither technician - ANSWER:Technician B
During a cylinder leakage (leak-down) test, air is noticed coming out of the oil fill opening. Technician A
says that the oil filter my be logged. Technician B says that the piston rings may be worn or defective.
Which technician is correct?
Technician A
, Technician B
Both A and B
Neither A nor B - ANSWER:Technician B
Leaking antifreeze can be what color?
Green
Orange
Red
Any of the above - ANSWER:Any of the above
What precautions are needed to be performed to help prevent air from getting trapped in the cooling
system when replacing coolant?
Use the proper antifreeze as specified
Open bleeder valves during filling
Use premixed coolant
Wear protective gloves - ANSWER:Open bleeder valves during filling
When replacing a water pump, be sure to _____________
Torque all fasteners to factory specifications
Use a new gasket/seal
Check that the accessory drive belt is properly aligned and adjusted to the proper tension
All of the above - ANSWER:All of the above
When using a scan tool to retrieve diagnostic trouble codes (DTCs) the technician should also _________
Check monitor status
Check freeze frame data
Record any stored DTCs
All of the above - ANSWER:All of the above
When replacing an external fuel filter, best practices include ________________
