ASE Certification Exam Questions And Correct Answers 2024-2025
Coolant should be checked for _______.
Color - 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 the engine should
be cranked over with the pressure gauge installed for "4 puffs." Technician B says the
largest 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 seen 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 must be taken that can be done to assist in preventing air from
becoming trapped in the cooling system when coolant is replaced?
Use the correct type antifreeze as recommended
Open bleeder valves during filling
Pre-mixed coolant is used
Wear protective gloves - Answer Open bleeder valves during filling
While replacing a water pump, be sure to _____________.
Tighten all fasteners to factory specs
Use new gasket/seal
, Check the accessory drive belt is properly aligned and adjusted to the proper tension
All of the above - Answer All of the above
In 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 _______________
Replace filter with one of same type OE
Clean the filter then reinstall
Relieve the pressure on the fuel system before disconnecting the fuel line connectors
Tighten the fasteners as tight as possible - Answer Relieve the pressure on the fuel
system before disconnecting the fuel line connectors
Before road testing a vehicle to determine if the automatic transmission is operating
normally, what should be done?
Check for any diagnostic trouble codes that are stored
Check the fluid level
Check fluid condition and color
All of above - Answer Check for any stored diagnostic trouble codes
Automatic transmission cooling lines are found ___________
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