ASE Certification Exam Questions and answers

ASE Certification Exam Questions and answers Both b and c - Answer-Coolant should be tested for ________. Proper color Freezing point (temperature) Specific Gravity Both b and c Both technician a and b - Answer-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 EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 2/23 Neither technician a nor b Technician B - Answer-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 Technician B - Answer-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 Any of the above - Answer-Leaking antifreeze can be what color? EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 3/23 Green Orange Red Any of the above Open bleeder valves during filling - Answer-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 All of the above - Answer-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 EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 4/23 All of the above - Answer-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 Relieve fuel system pressure before removing the fuel line connections - Answer-When replacing an external fuel filter, best practices include ________________ Use the same brand as the original as the replacement filter Reuse the filter after cleaning Relieve fuel system pressure before removing the fuel line connections Tighten fasteners as tight as possible Check for any stored diagnostic trouble codes - Answer-Before road testing a vehicle to determine if the automatic transmission is performing normally, which should be performed? Check for any stored diagnostic trouble codes EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 5/23 Check the fluid level Check the fluid condition and color All of the above Between the transmission and the radiator - Answer-Automatic transmission cooling lines are located ___________ Between the transmission and the radiator Between the transmission and the rear axle Inside the transmission or transaxle Inside the HVAC module To determine the fluid temperature - Answer-Why is a scan tool needed when checking the level of automatic transmission fluid? To determine the fluid temperature To check for any stored diagnostic trouble codes To check which solenoids inside the transmission/transaxle are active To determine the fluid capacity EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 6/23 Any of the above - Answer-Before replacing the filter in an automatic transmission/transaxle, why should service information be checked first? The filter may not be replaceable unless the unit is disassembled The filter may be a spin-on type filter The pan may be required to be removed Any of the above DOT 3 brake fluid or clutch fluid - Answer-To flush a hydraulic clutch system, what should be used? DOT 3 brake fluid or clutch fluid DOT 5 brake fluid Solvent Brake clean Any of the above - Answer-Service information should be Che led before replacing/adding manual transmission/transaxle fluid because it can be ____________. Automatic transmission fluid EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024 Page 7/23 Engine oil Gear lube Any of the above Rubber or flexible plastic - Answer-CV joint boots should be carefully inspected during routine service because they are made from _________ and can be torn or ripped allowing the grease to escape Steel Rubber or flexible plastic Aluminum Vinyl Gear lube (usually SAE 80W-90) - Answer-Drive axle (differential case) fluid is usually ________ Engine oil (usually SAE 5W-30 or SAE 10W-30)