AUTOMOTIVE ENGINE
DIAGNOSIS & REPAIR QUESTIONS
AND THEIR CORRECT SOLUTIONS
What is the last step before actually beginning to hoist
an engine from the vehicle?
Do a final check for anything that needs to be
disconnected or repositioned
When preparing to raise the vehicle for removing the
lower components during engine removal, which of
the following steps should be done FIRST?
Review the manufacturer's information to make sure you
have not missed anything to be removed from above
How can the air condition compressor and hoses be
removed from the engine without recovering the
refrigerant and opening the system?
Unbolt the compressor and wire it and the hoses off to the
side and out of the way
What is the next step after unbolting the transmission
torque converter from the flex plate when preparing to
remove the engine?
Push the torque converter fully into the front of the
transmission
What is the maximum percentage of cylinder leakage
allowed by most auto manufactures?
5%
, When percentage to reinstall the torque converter to
an automatic transmission, the technician should first.
Fill the torque converter about half full with specified
transmission fluid
During a running compression that a cylinder rises to
about 80% of the cranking compression pressure
when the throttle is snapped to wide open. Tech A
says this may indicate a worn crankshaft lobe. Tech B
says this may indicate excessive carbon buildup. Who
is correct?
Neither A nor B (OMIT)
True or False. Cylinder leakage testing is usually
performed only on a cylinder with low compression
pressure
True
What is the best way to turn the flex plate to remove
the torque converter bolts if there is no way to access
the teeth of the flex plate with a pry bar?
Turn the harmonic balancer
When attempting to lift out an engine. It is not
separating form the bell housing. Tech A says the
transmission may need to be supported with a jack to
relieve the pressure. Tech B says the area where the
bell housing attached should be thoroughly soaked
with penetrating oil. Who is correct?
Tech A
The oval combustion chamber design is also known
as:
The tree-valve head
All of the following are typical engine break-in
procedures, EXCEPT:
DIAGNOSIS & REPAIR QUESTIONS
AND THEIR CORRECT SOLUTIONS
What is the last step before actually beginning to hoist
an engine from the vehicle?
Do a final check for anything that needs to be
disconnected or repositioned
When preparing to raise the vehicle for removing the
lower components during engine removal, which of
the following steps should be done FIRST?
Review the manufacturer's information to make sure you
have not missed anything to be removed from above
How can the air condition compressor and hoses be
removed from the engine without recovering the
refrigerant and opening the system?
Unbolt the compressor and wire it and the hoses off to the
side and out of the way
What is the next step after unbolting the transmission
torque converter from the flex plate when preparing to
remove the engine?
Push the torque converter fully into the front of the
transmission
What is the maximum percentage of cylinder leakage
allowed by most auto manufactures?
5%
, When percentage to reinstall the torque converter to
an automatic transmission, the technician should first.
Fill the torque converter about half full with specified
transmission fluid
During a running compression that a cylinder rises to
about 80% of the cranking compression pressure
when the throttle is snapped to wide open. Tech A
says this may indicate a worn crankshaft lobe. Tech B
says this may indicate excessive carbon buildup. Who
is correct?
Neither A nor B (OMIT)
True or False. Cylinder leakage testing is usually
performed only on a cylinder with low compression
pressure
True
What is the best way to turn the flex plate to remove
the torque converter bolts if there is no way to access
the teeth of the flex plate with a pry bar?
Turn the harmonic balancer
When attempting to lift out an engine. It is not
separating form the bell housing. Tech A says the
transmission may need to be supported with a jack to
relieve the pressure. Tech B says the area where the
bell housing attached should be thoroughly soaked
with penetrating oil. Who is correct?
Tech A
The oval combustion chamber design is also known
as:
The tree-valve head
All of the following are typical engine break-in
procedures, EXCEPT:
