ASE ENGINE REPAIR TEST QUESTIONS
AND ANSWERS WITH SOLUTIONS 2024
Technician A says that part'X' shown above is used to rotate the valve spring. Technician B says that part
'X' is used to correct installed spring height. Who is right?
A.Technician A only
B.Technician B only
C. Both A and B
D. Neither A or B - ANSWER The correct answer is B. The part shown is a simple, flat shim that is placed
under the valve spring to adjust its installed height to specification, in response to a change in valve
height caused by valve and seat machining.
A compression test shows that one cylinder is too low. a leakage test on that cylinder shows that there is
excessive leakage. during the test, air could be heard coming from the tailpipe. Which of the following
could be the cause?
A.broken piston rings
B. bad head gasket
C. bad exhaust gasket
D. an exhaust valve not seating - ANSWER The correct answer is D. If an exhaust valve is not seating, air
will leak from the combustion chamber by way of the valve out to the tailpipe and make an audible
sound. Broken rings or a bad head gasket would have air leaking through the oil filler or cooling system.
Technician A says that main bearing oil clearance can be checked with Plastigage. Technician B says that
main bearing oil clearance can be. checked with a dial bore gauge. Who is right?
A.Technician A only
B.Technician B only
C.Both A and B
D. Neither A or B - ANSWER The correct answer is C, both technicians are right. Either method can
bemused to check main bearing oil clearance.
Which of the following is NOT a method of correcting excessive valve stem-to-guide clearance?
A.knurling the valve stem
AND ANSWERS WITH SOLUTIONS 2024
Technician A says that part'X' shown above is used to rotate the valve spring. Technician B says that part
'X' is used to correct installed spring height. Who is right?
A.Technician A only
B.Technician B only
C. Both A and B
D. Neither A or B - ANSWER The correct answer is B. The part shown is a simple, flat shim that is placed
under the valve spring to adjust its installed height to specification, in response to a change in valve
height caused by valve and seat machining.
A compression test shows that one cylinder is too low. a leakage test on that cylinder shows that there is
excessive leakage. during the test, air could be heard coming from the tailpipe. Which of the following
could be the cause?
A.broken piston rings
B. bad head gasket
C. bad exhaust gasket
D. an exhaust valve not seating - ANSWER The correct answer is D. If an exhaust valve is not seating, air
will leak from the combustion chamber by way of the valve out to the tailpipe and make an audible
sound. Broken rings or a bad head gasket would have air leaking through the oil filler or cooling system.
Technician A says that main bearing oil clearance can be checked with Plastigage. Technician B says that
main bearing oil clearance can be. checked with a dial bore gauge. Who is right?
A.Technician A only
B.Technician B only
C.Both A and B
D. Neither A or B - ANSWER The correct answer is C, both technicians are right. Either method can
bemused to check main bearing oil clearance.
Which of the following is NOT a method of correcting excessive valve stem-to-guide clearance?
A.knurling the valve stem
