AUT 178 Final Questions Study Set
ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
A mirrorlike shine on the pressure plate or a glazed clutch facing that results in chatter could
be caused by ______.
liquid leaking onto the clutch
overheating
excessive freeplay
worn release bearing - CORRECT ANSWERS✅✅liquid leaking onto the clutch
A technician is replacing a leaking clutch slave cylinder. After removing the cylinder, he
takes it apart and finds a swollen cup seal. What should be done?
replace the clutch slave cylinder
replace the clutch master cylinder
flush and bleed the system
all answers are correct - CORRECT ANSWERS✅✅all answers are correct
A whirring, grating, or grinding sound that occurs when the clutch pedal is depressed and
stops when the pedal is fully released is most likely caused by ______.
failed pilot bearing
failed release bearing
worn release levers
bent release fork - CORRECT ANSWERS✅✅failed release bearing
Chatter is a shuddering felt in the vehicle when the pressure plate releases the clutch disc.
True
,False - CORRECT ANSWERS✅✅False
Chatter is caused by liquid contaminants on the friction surfaces.
True
False - CORRECT ANSWERS✅✅True
Clutch drag occurs if the clutch disc is not completely released when the clutch pedal is fully
depressed.
True
False - CORRECT ANSWERS✅✅True
Clutch slippage occurs when the clutch disc is not gripped firmly between the flywheel and
the pressure plate.
True
False - CORRECT ANSWERS✅✅True
Coil spring-type pressure plates require less pedal effort than diaphragm-type pressure plates.
True
False - CORRECT ANSWERS✅✅False
____________________ fluid is often used as the hydraulic fluid in hydraulic clutch systems.
- CORRECT ANSWERS✅✅Brake
Hydraulic clutch systems are being discussed. Technician A says the clutch master cylinder
will normally need about 1 oz. of fluid a year. Technician B says if the master cylinder is less
than full, there is probably a leak in the system. Who is correct? - CORRECT
ANSWERS✅✅B Only
,In a self-adjusting-type cable clutch mechanism, the adjusting mechanism is located ______.
on top of the clutch pedal
inside the bell housing
on the engine side of the firewall
at the release fork end of the cable - CORRECT ANSWERS✅✅on top of the clutch pedal
Insufficient clutch pedal clearance results in ______.
gear clashing when shifting the transmission
a noisy front transmission bearing
premature release bearing failure
premature pilot bearing failure - CORRECT ANSWERS✅✅premature release bearing
failure
Internal slave cylinders are being discussed. Technician A says the slave cylinder and the
clutch release bearing are a single unit and cannot be serviced separately. Technician B says
to replace the slave cylinder, the transmission must be removed. Who is correct? -
CORRECT ANSWERS✅✅both A and B
Most hydraulic clutch release systems should be adjusted once a year.
True
False - CORRECT ANSWERS✅✅False
Particles of cotton, brass, rope, and wire are added to prolong the life of the clutch disc and
provide torsional strength.
True
False - CORRECT ANSWERS✅✅True
, Passenger cars and light trucks are now almost exclusively equipped with _____ spring-type
clutches.
diaphragm
coil
torsional
eccentric - CORRECT ANSWERS✅✅diaphram
Pilot bearings are being discussed. Technician A says the pilot bearing is located in the
flywheel. Technician B says the pilot bearing is located in the crankshaft. Who is correct? -
CORRECT ANSWERS✅✅both A and B
Pilot bearings are being discussed. Technician A says the pilot bearing supports one end of
the input shaft. Technician B says the pilot bearing keeps the clutch disc centered in the
pressure plate. Who is correct? - CORRECT ANSWERS✅✅both A and B
Shaft and lever clutch linkage are used on most modern passenger cars.
True
False - CORRECT ANSWERS✅✅False
Some transaxles have a short, self-centering input shaft that does not require a pilot bushing
or bearing.
True
False - CORRECT ANSWERS✅✅True
Technician A checks the flywheel for runout [warpage] using a dial indicator. Technician B
uses a straightedge to check the pressure plate for warpage. Who is correct? - CORRECT
ANSWERS✅✅both A and B
ACTUAL UPDATED QUESTIONS AND
CORRECT ANSWERS
A mirrorlike shine on the pressure plate or a glazed clutch facing that results in chatter could
be caused by ______.
liquid leaking onto the clutch
overheating
excessive freeplay
worn release bearing - CORRECT ANSWERS✅✅liquid leaking onto the clutch
A technician is replacing a leaking clutch slave cylinder. After removing the cylinder, he
takes it apart and finds a swollen cup seal. What should be done?
replace the clutch slave cylinder
replace the clutch master cylinder
flush and bleed the system
all answers are correct - CORRECT ANSWERS✅✅all answers are correct
A whirring, grating, or grinding sound that occurs when the clutch pedal is depressed and
stops when the pedal is fully released is most likely caused by ______.
failed pilot bearing
failed release bearing
worn release levers
bent release fork - CORRECT ANSWERS✅✅failed release bearing
Chatter is a shuddering felt in the vehicle when the pressure plate releases the clutch disc.
True
,False - CORRECT ANSWERS✅✅False
Chatter is caused by liquid contaminants on the friction surfaces.
True
False - CORRECT ANSWERS✅✅True
Clutch drag occurs if the clutch disc is not completely released when the clutch pedal is fully
depressed.
True
False - CORRECT ANSWERS✅✅True
Clutch slippage occurs when the clutch disc is not gripped firmly between the flywheel and
the pressure plate.
True
False - CORRECT ANSWERS✅✅True
Coil spring-type pressure plates require less pedal effort than diaphragm-type pressure plates.
True
False - CORRECT ANSWERS✅✅False
____________________ fluid is often used as the hydraulic fluid in hydraulic clutch systems.
- CORRECT ANSWERS✅✅Brake
Hydraulic clutch systems are being discussed. Technician A says the clutch master cylinder
will normally need about 1 oz. of fluid a year. Technician B says if the master cylinder is less
than full, there is probably a leak in the system. Who is correct? - CORRECT
ANSWERS✅✅B Only
,In a self-adjusting-type cable clutch mechanism, the adjusting mechanism is located ______.
on top of the clutch pedal
inside the bell housing
on the engine side of the firewall
at the release fork end of the cable - CORRECT ANSWERS✅✅on top of the clutch pedal
Insufficient clutch pedal clearance results in ______.
gear clashing when shifting the transmission
a noisy front transmission bearing
premature release bearing failure
premature pilot bearing failure - CORRECT ANSWERS✅✅premature release bearing
failure
Internal slave cylinders are being discussed. Technician A says the slave cylinder and the
clutch release bearing are a single unit and cannot be serviced separately. Technician B says
to replace the slave cylinder, the transmission must be removed. Who is correct? -
CORRECT ANSWERS✅✅both A and B
Most hydraulic clutch release systems should be adjusted once a year.
True
False - CORRECT ANSWERS✅✅False
Particles of cotton, brass, rope, and wire are added to prolong the life of the clutch disc and
provide torsional strength.
True
False - CORRECT ANSWERS✅✅True
, Passenger cars and light trucks are now almost exclusively equipped with _____ spring-type
clutches.
diaphragm
coil
torsional
eccentric - CORRECT ANSWERS✅✅diaphram
Pilot bearings are being discussed. Technician A says the pilot bearing is located in the
flywheel. Technician B says the pilot bearing is located in the crankshaft. Who is correct? -
CORRECT ANSWERS✅✅both A and B
Pilot bearings are being discussed. Technician A says the pilot bearing supports one end of
the input shaft. Technician B says the pilot bearing keeps the clutch disc centered in the
pressure plate. Who is correct? - CORRECT ANSWERS✅✅both A and B
Shaft and lever clutch linkage are used on most modern passenger cars.
True
False - CORRECT ANSWERS✅✅False
Some transaxles have a short, self-centering input shaft that does not require a pilot bushing
or bearing.
True
False - CORRECT ANSWERS✅✅True
Technician A checks the flywheel for runout [warpage] using a dial indicator. Technician B
uses a straightedge to check the pressure plate for warpage. Who is correct? - CORRECT
ANSWERS✅✅both A and B
