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WorksheetsAUT203 Mid Term
Total questions: 60
Worksheet time: 30mins
What is the purpose of the slip yoke on the driveshaft?
It allows for up-and-down movement of the suspension
It enables the driveshaft to accommodate worn u-joints
It allows for a change of driveshaft angle during turns
It enables the differential to work at different angles
All of these are drivetrain components EXCEPT?
Driveshafts
Balance Shafts
Final Drives
Drive Axles
All front-engine front-wheel drive vehicles use a traverse -mounted engine coupled to a transaxle
True
False
In a transverse front-wheel drive layout application, the transaxle is normally mounted at the ___________ of the engine and a primary shaft engages with the splines of the clutch center plate.
Front
Rear
Center
Side
Vehicles with independent rear suspension have:
Live rear axles
Leaf springs
Driveshafts in axle housings
Driveshafts with flexible joints on both ends
In vehicles with an independent rear suspension, the final drive unit is mounted on the chassis frame, and drive is transferred to each road wheel through external driveshafts (half-shafts), which have flexible joints on each end.
True
False
Choose the correct statement:
Select one:
Most front-engine front-wheel drive vehicles use a longitudinal-mounted engine.
Front-wheel drive power reaches the rear wheels through the transaxle.
.
In a transverse-mounted engine, the front of the engine is facing the front of the vehicle.
Power is transmitted in a straight line from the engine through the transaxle and out to the front axles.
With a(n) _____, drive from the engine is transmitted to a rear axle assembly by a drive (propeller) shaft.
Solid rear drive layout
All-wheel drive layout
Front-wheel drive layout
Rear-wheel drive layout
In some rear-wheel drive (RWD) vehicles, the rear U-joint connects directly to a(n)
Axle shaft
Output shaft
Slip joint
Companion flange
U-joints are typically used on driveshafts because they generally need to accommodate only small angles, although some manufacturers use CV joints to provide a smoother ride, or on off-road vehicles that have been lifted and experience a greater amount of suspension travel.
True
False
On a semi-floating axle vehicle, the axle flange is bolted to the housing, while the vehicle's weight is supported by the hub & bearing.
True
False
The ___________ does not provide any drive capabilities and is used on the rear of front-wheel drive vehicles.
Live axle
Dead axle
Drive axle
None of the above
Which of the following axles uses a single roller bearing between the hub and the outside of the axle housing?
Semi-floating axle
Full floating axle
Floating axle
Three-quarter floating axle
_______ use combinations of driveshafts and half-shafts depending on if the axle shafts are independent or nonindependent.
Four-wheel drive vehicles
All-wheel drive vehicles
Both A and B
Neither A nor B
In the ________ axle, the axle bearing is placed between the axle and the axle housing.
Select one:
Straight
Full-floating
Dead
Semi-floating
It is always good practice to check runout on the drive axle flange when there is a customer concern of vehicle vibration.
True
False
Provision is normally made for adjusting the alignment of a two-piece driveshaft assembly by using _______ under the carrier bearing.
Select one:
U-joints
Flanges
Shims
Driveshafts
In all rear-wheel drive and four-wheel drive vehicles, engineers fit a CV joint to the front end of the driveshaft, which allows for an increase of angles of the shafts without creating vibration.
True
False
While both can transfer torque through an angle, the U-joint can do so at a much greater angle than the CV joint, which is why it is used on front half-shafts to accommodate large steering angles.
True
False
Worn axle bearings allow the axle shafts to move, and the axle shaft movement will wear the axle seals quickly and create ____ that the axle fluid can leak out of.
Gaps
Small gouges
Pinholes
None of the above
Name this part?
U-Joint
CV Joint
Rzeppa Joint
Carrier bearing
What service is being performed?
Engine Oil Change
Transfer Case Service
Front Axle Fill
Differential Drain
What parts is this?
Transmission
Front differential
Transfer Case
FWD Transaxle
Which of these could be the result of a driveshaft being out of phase?
Tire noise
Excessive tire wear
Driveshaft looseness
Driveline vibration
A(n) __________________ is necessary to measure driveline runout.
Protractor
Dial Indicator
Vibration analyzer
Angle gauge
A lack of lubrication in a differential will cause the differentials axle bearing to heat up and damage the axle seal.
True
False
A clicking noise is heard when a vehicle makes sharp turns. Which of these is the MOST likely cause?
A faulty axle shaft
A faulty U-joint
A faulty CV joint
A faulty differential gear
If the center support bearing is equipped with a grease zerk, it should be lubricated whenever a(n) __________ is performed.
Select one:
Oil change
Scheduled service
Chassis lubrication
All of the above
If the driveshaft parts are not marked during disassembly, then an out-of-phase condition could result, and _________ will occur even if the driveshaft is in balance.
Select one:
A popping noise
A jerking movement
A growling noise
Vibration
Inspection of the lug studs should be done in order to look for _____ or thread defects of the lug studs.
Select one:
Warping
Cracking
Stretching
Shrinking
Tech A says that axle seals are a common source of solid axle fluid leaks. Tech B says that pinion seals are a common source of solid axle fluid leaks. Who is correct?
Select one:
Tech A
Tech B
Both A and B
Neither A nor B
Brake heat that comes from a dragging brake can cause an axle seal to leak.
Select one:
True
False
If the axle shafts are being replaced, it is a good practice to replace the ______.
Select one:
Bearings
Seals
Both A and B
Neither A nor B
_______ of the differential will create a pressure buildup in the differential from foaming of the liquid that the breather cannot handle, so the weakest place to vent pressure will be through the axle seal itself.
Select one:
Overfilling
Underfilling
Both A and B
Neither A nor B
Driveline angularity is the relationship of the driveshaft to the component that the driveshaft attaches to, as measured in degrees.
Select one:
True
False
If a half-shaft type axle is clicking when turning ______, then the joint or the entire half-shaft will need to be replaced.
Select one:
To the left
To the right
Slowly
Sharply
Name this part?
CV Boot
Rzeppa Joint
Center Support Bearing
Crush Sleeve
Name this part?
Muffler bearing
Rzeppa Joint
CV Shaft
U-joint
Name this part?
Rear carrier
Transfer Case
Driveshaft
CV Shaft
Name this part
Muffler bearing
Thank you Mr Raybon!!
CV Axle
Driveshaft
Name these parts?
Ring & Pinion
Rack & Pinion
Spider Gears
Arachnid Spacers
Name this part?
Grease Fitting
Zerk Fitting
Both A & B
Neither A or B
Name this part?
U-Joint
Rzeppa Joint
Support Guide
Carrier Bearing
A transfer case is most often used in a(n):
front-wheel drive (FWD) vehicle
four-wheel drive (4WD) vehicle
rear-wheel drive (RWD) vehicle
vehicle with a dead axle.
Newer designs in 4WD pickup trucks and SUVs use constant velocity (CV) joint type front axles.
True
False
In a 4-wheel drive vehicle, final drives are found:
In the front of the vehicle
In the rear of the vehicle
both in the front and rear of the vehicle.
in neither the front or rear of the vehicle.
Tech A says that part time four wheel drive does not use a transfer case. Tech B says that constant-velocity joints are used on some four-wheel drive vehicles. Who is correct?
Tech A
Tech B
Both
Neither
______ transmits power to the front and rear drive axles at normal drive speed.
Four-wheel drive low range
Four-wheel drive high range
Two-wheel drive
Neutral
Technician A says that driveline binding can be caused by tires that have different circumferences. Technician B says that tires can be shaved to even out tire circumferences. Who is correct?
Tech A
Tech B
Both
Neither
In all-wheel drive vehicles only two of the wheels are normally powered, typically the rear wheels.
True
False
The transfer case is a device designed to split the power from the transmission to the ______ when four-wheel drive is selected.
Front-drive axles
Rear-drive axles
Both A and B
Neither A nor B
Technician A says that in all-wheel-drive vehicles, locked differentials are used to ensure ease in driving around curves. Technician B says that a third set of differential gears is used to allow turning and driving into curves. Who is correct?
Select one:
Technician A
Technician B
Both A and B
Neither A nor B
In some vehicles, when the transfer case's low range option is selected, a geared electric motor automatically operates an engagement sleeve splined to the _______.
Select one:
Front output shaft
Front input shaft
Back output shaft
Back input shaft
When the transfer case of an all-wheel-drive vehicle is in high range the wheels:
Select one:
are allowed to rotate at different speeds.
rotate at the same speed.
gain more traction on loose road surfaces.
are locked and cannot turn.
Vacuum controls have rubber diaphragms in them, heat and moisture can cause them to deteriorate over time.
Select one:
True
False
Technician A says that mechanical shifting controls can wear out over time. Technician B says that vacuum control rubber diaphragms can deteriorate over time. Who is correct?
Select one:
Technician A
Technician B
Both Technician A and Technician B
Neither Technician A nor B
Wheel bearings and hubs are subject to wheel rim offsets that throw off the wheel's scrub _____ and cause premature failure of the bearings and hubs.
Select one:
Radius
Circumference
Diameter
Hypotenuse
Four-wheel drive vehicles have either automatic locking hubs or manual locking hubs.
Select one:
True
False
What part is this?
Wiper motor
Differential motor
Rzeppa motor
Transfer case motor
What is the smaller lever?
Manual transmission shift lever
Automatic transmission shift lever
Transfer case shift lever
Overdrive
