All of these are drivetrain components EXCEPT?

Vehicles with independent rear suspension have:

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.

With a(n) _____, drive from the engine is transmitted to a rear axle assembly by a drive (propeller) shaft.

In some rear-wheel drive (RWD) vehicles, the rear U-joint connects directly to a(n)

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.

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.

The ___________ does not provide any drive capabilities and is used on the rear of front-wheel drive vehicles.

On front-wheel drive vehicles with a transverse mounted transaxle assembly, there are two half-shafts (axles) one on each side of the transaxle to each of the front wheels.

Which of the following axles uses a single roller bearing between the hub and the outside of the axle housing?

On the _________, there is a single roller bearing between the hub and the outside of the axle housing.

_______ use combinations of driveshafts and half-shafts depending on if the axle shafts are independent or nonindependent.

In the ________ axle, the axle bearing is placed between the axle and the axle housing.

Select one:

It is always good practice to check runout on the drive axle flange when there is a customer concern of vehicle vibration.

Provision is normally made for adjusting the alignment of a two-piece driveshaft assembly by using _______ under the carrier bearing.

Select one:

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.

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.

Name this part?

What service is being performed?

What part is shown here?

What parts is this?

Which of these could be the result of a driveshaft being out of phase?

A(n) __________________ is necessary to measure driveline runout.

A lack of lubrication in a differential will cause the differentials axle bearing to heat up and damage the axle seal.

A clicking noise is heard when a vehicle makes sharp turns. Which of these is the MOST likely cause?

If the center support bearing is equipped with a grease zerk, it should be lubricated whenever a(n) __________ is performed.

Select one:

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:

Inspection of the lug studs should be done in order to look for _____ or thread defects of the lug studs.

Select one:

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:

Brake heat that comes from a dragging brake can cause an axle seal to leak.

Select one:

If the axle shafts are being replaced, it is a good practice to replace the ______.

Select one:

Tech A says that a driveshaft center bearing is used on a vehicle with a short driveshaft. Tech B says that a driveshaft center bearing has a rubber insert that can deteriorate. Who is correct?

Select one:

_______ 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:

Driveline angularity is the relationship of the driveshaft to the component that the driveshaft attaches to, as measured in degrees.

Select one:

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:

The ______ is subject to weather and the same abuses as a U-joint.

Select one:

Name this part?

Name this part?

Name this part?

Name this part

Name these parts?

Name this part?

Name this part?

A transfer case is most often used in a(n):

Newer designs in 4WD pickup trucks and SUVs use constant velocity (CV) joint type front axles.

In a 4-wheel drive vehicle, final drives are found:

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?

______ transmits power to the front and rear drive axles at normal drive speed.

In all-wheel drive vehicles only two of the wheels are normally powered, typically the rear wheels.

The transfer case is a device designed to split the power from the transmission to the ______ when four-wheel drive is selected.

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:

When the transfer case of an all-wheel-drive vehicle is in high range the wheels:

Select one:

The TCM does not have the ability to memorize driver preferences/behaviors.

Select one:

Mechanical shifting controls can wear out over time, and electrical problems may develop due to _____.

Select one:

Vacuum controls have rubber diaphragms in them, heat and moisture can cause them to deteriorate over time.

Select one:

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:

Four-wheel drive vehicles have either automatic locking hubs or manual locking hubs.

Select one:

All of the following are used for shift controls for engaging transfer cases EXCEPT:

Select one:

What part is this?

What is the smaller lever?

Differential pinion gears can be damaged by all of the following EXCEPT:

Vehicle vibrations may result from all of the following EXCEPT:

Seals can develop leaks, which can cause bearings to _________.

On a worn rzeppa joint, the ball bearings roll into and out of the worn spot in the bearing races, making a popping noise.

Lack of lubrication will not usually result in failure of all the differential bearings, requiring a complete overhaul if the low fluid concern is not promptly addressed.

The ___________ is held on by a large nut that also sets the preload for the pinion gear on crush sleeve types.

Technician A says that when disassembling a differential case, it's good practice to first measure ring gear runout. Technician B says that when overhauling a differential, it's good practice to save the crush sleeve for reuse. Who is correct?

The differential ring gear rotates and drives the differential pinion.

The forces on the pinion gear are tremendous in that the driveshaft, which is connected to it, transmits the power to all of the following EXCEPT:

Tech A says when setting pinion bearing preload, the carrier assembly should be bolted into the axle. Tech B says setting pinion bearing preload is necessary to seat the pinion bearings. Who is correct?

Technician A says that in some all-wheel drive (AWD) vehicles, normally only the front wheels are driven. Technician B says that in some AWD vehicles, all four wheels are driven all of the time. Who is correct?

In a 4-wheel drive vehicle, final drives are found:

Select one:

When a vehicle's four-wheel drive is engaged, the drive is transmitted through both front and rear final drive assemblies, and differential action occurs in the _______.

Select one:

Choose the correct statement:

Select one:

______ transmits power to the front and rear drive axles at normal drive speed.

Select one:

In a part-time four-wheel drive vehicle, when two-wheel drive is selected, power is transferred to:

Select one:

While in four-wheel drive, if binding of the drivetrain it could be caused by:

Select one:

What are these?

What is this part?

What is this part?

What is this part?

What are these parts?

What is pictured here?

When installing new differential clutches:

The spacers that were removed from under the differential ring gear carrier bearings will determine backlash when reinstalled.

Ring gear tooth pattern represents

Any excessive differential ring gear runout could be the result of debris caught between the ______________ that was present upon assembly of the unit.

Technician A says that when disassembling a differential case, it's good practice to first measure ring gear runout. Technician B says that when overhauling a differential, it's good practice to save the crush sleeve for reuse. Who is correct?

The differential pinion rotates and drives the differential ring gear.

Which of the following is NOT a possible power transfer option for a driver to select in a vehicle equipped with a transfer case?

Select one:

Using ______ drive prevents excessive tire wear and possible damage to the drivelines or other 4WD drivetrain components.

Select one:

Tech A says that when making a turn, the front wheels travel a greater distance than the rear wheels. Tech B says that in off-road conditions, differences in speed between the front and rear driveshafts can be absorbed through slippage of the tires on the ground. Who is correct?

Select one:

Technician A says that part-time 4WD does not use a transfer case. Technician B says that AWD vehicles can safely drive with all four wheels on pavement. Who is correct?

Select one:

Technician A says that some front differentials are operated by a vacuum motor. Technician B says that some front differentials are operated by electric motors. Who is correct?

Select one:

Each four-wheel drive type of driveshaft has a U-joint at each end to transmit the drive through varying angles.

Select one:

Backlash is the amount of movement between the differential pinion gear teeth & the differential ring gear teeth.

What are the two most common types of limited slip differentials in use?

A vehicle with ______________ will overcome the loss of traction by applying more power to the wheel that is not slipping by applying the brake on the wheel that is slipping.

The ___________________ assembly provides the final gear reduction necessary for drivetrain operation

Preventive maintenance of a final drive assembly, regardless of its design, is important, as these axles are filled with special lubricants that promote long life and maintain quiet operation of the gears.

The clutch-style limited slip differential uses a multi-plate clutch pack between each side gear and the differential case.

Select one:

Technician A says that threaded rings are used to set the carrier bearing preload in some differentials. Technician B says that shims are used to adjust carrier bearing preload in some vehicles. Who is correct?

Most vehicle manufacturers today use a gear-style limited slip differential design rather than the clutch-type design.

Select one:

How many styles of limited slip differentials are mainly in use?

Technician A says that the final drive assembly can be found in the front of the vehicle or the rear of the vehicle. Technician B says that the final drive assembly will be found only in the rear of the vehicle. Who is correct?

Select one:

On all of the final drive assemblies manufactured today, the anti-lock brake system (ABS) wheel speed sensor is incorporated in them.

Technician A says that when a vehicle is going straight, the side gears rotate two times faster than the pinion gears. Technician B says that when a vehicle is going straight, the pinion and side gears are going the same speed. Who is correct?

The outside plate of a clutch style limited slip differential is _______ to provide initial tension on the clutch pack when the two halves of the carrier are assembled.

Select one:

Final drives can be found in _______.

Select one:

In a rear-drive vehicle, the ring gear is bolted to:

Select one:

In all axle designs, threaded adjusting rings engage with threads in the housing and will push against the side bearings of the carrier.

Select one:

Technician A says that the differential assembly allows the tires to travel at different speeds when going around a corner. Technician B says that without the differential, the tires might skip and slide when the vehicle goes around a corner. Who is correct?

Select one:

The most technically accurate description of a differential is that a differential:

Select one:

The gear(s) that directly drive the drive axles is/are:

Select one:

Some axle designs, shims are used to push against the side bearings to adjust _______.

Select one:

Backlash clearance is the amount of clearance between:

Select one:

Name this part?

What is this?

What part is this?

With a(n) _____, drive from the engine is transmitted to a rear axle assembly by a drive (propeller) shaft.

Vehicles with rear- or mid-mounted engines always use a transaxle in the rear of the vehicle and transfer the drive to the road wheels by external drive half-shafts.

Select one:

Transverse front-wheel drive layout designs eliminate the need to transfer power _____ degrees, as with a rear-wheel drive arrangement.

On a three-quarter floating axle vehicle, the axle flange is bolted to the housing and stabilizes the wheel horizontally, while the vehicle's weight is supported by the hub and the bearing.

Torque steer can be caused by:

The purpose of axle seals is to ___________.

A reason to use the two-piece style driveshaft is because the angle of the U-joint may be too great if the driveshaft were just a single piece.

On all of the final drive assemblies manufactured today, the anti-lock brake system (ABS) wheel speed sensor is incorporated in them.

In a rear-drive vehicle, the ring gear is bolted to:

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.

In all states, the law requires an inspection of the brakes that involves removal of the tires to gain access to the brake system at least once a year.

The removal process for drive axle shafts is always the same, whether for integral or removable carriers.

Differential fluid leaks are always caused by a plugged breather or vent tube in the housing, which causes a pressure buildup within the housing.

Limited slip differential _______ can result from clutch parts that are worn; in some cases, changing the limited slip lubricating oil fixes the problem.

Select one:

A contact pattern is made by using some type of ______ to make the pattern stand out.

In a differential, side bearing preload limits the amount of ______ movement that the ring gear can travel, whereas backlash sets the closeness of the ring gear into the pinion gear.

Select one:

Any excessive differential ring gear runout could be the result of debris caught between the ________ that was present upon assembly of the unit.

When installing any type of seal, it's a good practice to:

What is the purpose of the slip yoke on the driveshaft?

All of these are drivetrain components EXCEPT?

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.

All of these apply to vehicles with live solid rear axles EXCEPT:

A(n) __________________ is necessary to measure driveline runout.

Tech A says that a driveshaft center bearing is used on a vehicle with a short driveshaft. Tech B says that a driveshaft center bearing has a rubber insert that can deteriorate. Who is correct?

Select one:

A transfer case is most often used in a(n):

______ transmits power to the front and rear drive axles at normal drive speed.

In all-wheel drive vehicles only two of the wheels are normally powered, typically the rear wheels.

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:

Vacuum controls have rubber diaphragms in them, heat and moisture can cause them to deteriorate over time.

Select one:

Choose the correct statement:

Select one:

All of the following statements are true EXCEPT:

Select one:

In four-wheel drive applications, which of the following components transfers the drive from the transfer case (torque splitter) to the final drive units at the front and rear axle assemblies?

Select one:

Technician A says that all front wheel hubs lock automatically. Technician B says that all front wheel hubs lock manually. Who is correct?

Select one:

Tech A says that when making a turn, the front wheels travel a greater distance than the rear wheels. Tech B says that in off-road conditions, differences in speed between the front and rear driveshafts can be absorbed through slippage of the tires on the ground. Who is correct?

Select one:

Which of these perform the same task of splitting power between the front and rear axles?

Select one:

Tech A says that electric actuators are used for things like engaging 4WD or locking the axles together. Tech B says that sensors send signals directly to electric actuators to cause them to operate. Who is correct?

Select one:

Technician A says that freewheeling hubs disconnect the hubs from the axle shafts. Technician B says that freewheeling hubs disconnect the wheels when steering around corners. Who is correct?

Select one:

Name this part?

Technician A says that part-time 4WD does not use a transfer case. Technician B says that AWD vehicles can safely drive with all four wheels on pavement. Who is correct?

Select one:

Which of the following is a device designed to split the power from the transmission to both the front and the rear drive axles when four-wheel drive is selected?

Select one:

Technician A says that constant-velocity joints are used on some 4WD vehicles. Technician B says that a slip joint is part of a driveshaft. Who is correct?

Select one:

Tech A says that the PCM/TCM compensates for different size tires as long as the tires on the front match each other, and the tires on the rear match each other. Tech B says that many manufacturers require the circumference of ALL tires to be within 0.25" (6.4 mm) of each other. Who is correct?

Select one:

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:

Technician A says that U-joints can make a chirping or squeaking nose when they are going bad. Technician B says that U-joints are typically used on FWD axles to provide torque through all angles of steering. Who is correct?

Select one:

Which type of joint has an inner race, six steel ball bearings, a bearing cage, and an outer race?

Select one:

Tech A says that pinion bearing preload is measured with a dial indicator. Tech B says that pinion bearing preload positions the bearings such that the pinion gear is held firmly in place but still allows smooth rotation of the gear. Who is correct?

Select one:

Tech A says that excessive ring gear runout could be the result of debris caught between the ring gear and the differential case during assembly. Tech B says that excessive ring gear runout could indicate bad bearings on the differential case housing. Who is correct?

Select one:

Tech A says that if a CV boot is torn, it can typically be replaced without replacing the entire joint or shaft. Tech B says that worn CV joints can make a clicking noise when driving while making a tight turn. Who is correct?

Select one:

Vehicles with independent rear suspension have:

Select one:

Driveline angularity is critical to ensure ________ are working at their proper angle.

Select one: