Deck 15: Wheel Alignment Adjustments

Question 1

This job is performed by the driveshafts, transfer cases, final drives, differentials, and drive axles.

A) The layout of the drive train
B) The torque being delivered to the appropriate wheels
C) The repair of the drivetrain
D) None of the above

Answer 1

B

Question 2

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

A) Solid rear drive layout
B) All-wheel drive lout
C) Front-wheel drive layout
D) Rear-wheel drive layout

Answer 2

D

Question 3

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

A) Four-wheel drive vehicles
B) All-wheel drive vehicles
C) Both A and B
D) Neither A nor B

Answer 3

C

Question 4

The ________ is a splined flange that transmits power to the pinion gear.

A) Driveshaft
B) U-joint flange
C) Independent flange
D) Companion flange

Question 5

The front section of the two-piece type driveshaft is supported at its rear end by a center bearing, called the _______.

A) Center bearing
B) Carrier bearing
C) Holding bearing
D) Support bearing

Question 6

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

A) U-joints
B) Flanges
C) Shims
D) Driveshafts

Question 7

In each revolution of a driveshaft, the velocity of the driveshaft yoke changes every ___ degrees due to the angles that the driveshafts are operating on.

A) 45
B) 60
C) 90
D) 110

Question 8

A double Cardan joint is considered by most technicians to be a _____ under normal driveline angles.

A) CV joint
B) U-joint
C) Both A and B
D) Neither A nor B

Question 9

The angle of the rear axle assembly companion flange should be _______ to the transmission output shaft.

A) 100 degrees
B) Perpendicular
C) 45 degrees
D) Parallel

Question 10

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.

A) A popping noise
B) A jerking movement
C) A growling noise
D) Vibration

Question 11

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

A) CV joints
B) U-joints
C) Both A and B
D) Neither A nor B

Question 12

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

A) Drive axle flange
B) Center shaft
C) Center bearing
D) Wheel stud

Question 13

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

A) Oil change
B) Filter replacement
C) Chassis lubrication
D) All of the above

Question 14

If all differential repairs have been done properly, ______ should be within specifications.

A) Runout
B) End play
C) Both A and B
D) Neither A nor B

Question 15

All of these are drivetrain components EXCEPT:

A) driveshafts.
B) balance shafts.
C) final drives.
D) drive axles.

Question 16

In a conventional rear-wheel drive vehicle, the engine and transmission are mounted:

A) longitudinally at the front.
B) transversely at the front.
C) longitudinally at the rear.
D) transversely at the rear.

Question 17

Vehicles with independent rear suspension have:

A) live rear axles.
B) leaf springs.
C) driveshafts in axle housings.
D) driveshafts with flexible joints on each end.

Question 18

What is the purpose of the slip yoke on the drive shaft?

A) It allows for up-and-down movement of the suspension.
B) It enables the driveshaft to accommodate worn U-joints.
C) It allows for a change of drive shaft angle during turns.
D) It enables the differential to work at different angles.

Question 19

What is the purpose of the ring and pinion in a conventional passenger vehicle?

A) It enables the driver to select different gear ratios.
B) It enables drive shaft torque to be turned 90 degrees.
C) It provides a means for vehicles to operate in front-wheel drive.
D) It splits the drive torque between the front and rear wheels.

Question 20

When two drive shaft yokes are in alignment with each other, they are considered:

A) in harmony.
B) properly mated.
C) in phase.
D) correctly tuned.

Question 21

Using conventional terminology, a rear-wheel drive (RWD) vehicle uses __________ in the rear axle assembly.

A) two drive axles.
B) two half shafts.
C) four drive axles.
D) four half shafts.

Question 22

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

A) axle shaft.
B) output shaft.
C) slip joint.
D) companion flange.

Question 23

To prevent twisting, the maximum length of a drive shaft is considered to be approximately:

A) 36 inches.
B) 41 inches.
C) 56 inches.
D) 72 inches.

Question 24

What is the maximum angle at which a universal joint is capable of properly working?

A) 3 degrees
B) 5 degrees
C) 7 degrees
D) 10 degrees

Question 25

The front section of a two-piece drive shaft is supported at its rear end by a center bearing called a:

A) trundle.
B) carrier bearing.
C) pillow block.
D) flange bearing.

Question 26

The most common type of non-CV universal joint is called the:

A) Hooke's joint.
B) double Cardan joint.
C) slip joint.
D) cap joint.

Question 27

The relationship measured in degrees between the driveshaft and its connected components is called:

A) driveshaft positioning.
B) driveline angularity.
C) drivetrain alignment.
D) driveshaft phasing.

Question 28

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

A) Protractor
B) Dial indicator
C) Vibration analyzer
D) Angle gauge

Question 29

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

A) Tire noise
B) Excessive tire wear
C) Driveshaft looseness
D) Driveline vibration

Question 30

When measuring drive axle flange runout, it is necessary to:

A) remove the CV boot.
B) remove the center support bearing.
C) remove the wheels and brake rotors or drums.
D) remove the drive axle flange.

Question 31

Which of the following should be set first on a unibody vehicle having an adjustable rear independent suspension?

A) Rear wheel camber
B) Caster
C) Wheel setback
D) Toe

Question 32

Choose the correct order of adjusting wheel alignment angles.

A) Camber, caster, and toe
B) Caster, camber, and toe
C) Toe, camber, and caster
D) Camber, toe, and caster

Question 33

What does longitudinally mean in reference to the engine layout?

A) The engine sets sideways.
B) The engine is placed over the rear end.
C) The engine is facing the front of the engine.
D) The engine is facing the rear of the car.

Question 34

Tech A says transverse engines are mounted in the rear of the car. Tech B says some FWD cars have the engine sitting transversely. Who is right?

A) Tech A only
B) Tech B only
C) Both A and B
D) Neither A nor B

Question 35

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

A) It allows for up and down movement of the suspension.
B) It enables the shocks to move up and down.
C) It allows for a change of driveshaft length during turns.
D) It enables the differential to work at different angles.

Question 36

Tech A says that in some AWD vehicles, normally only the front wheels are driven. Tech B says that in some AWD vehicles, all four wheels are driven all of the time. Who is right?

A) Tech A only
B) Tech B only
C) Both A and B
D) Neither A nor B

Question 37

All of the following statements with respect to performing a four-wheel alignment are true, EXCEPT:

A) The alignment machine measures the angles of the wheels compared to one another and the centerline of the vehicle.
B) The alignment machine has the ability to compensate for any runout in the wheel assemblies.
C) All vehicles have adjustable caster and camber.
D) The rear wheels should be adjusted before the front wheels.

Question 38

If the camber line is outside of the SAI line (or they intersect below the road surface), then it has:

A) positive offset.
B) zero scrub radius.
C) negative offset.
D) zero offset.

Question 39

In an RWD vehicle, the rear U-joint connects directly to a(n):

A) axle shaft.
B) output shaft.
C) slip joint.
D) companion flange

Question 40

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

A) the struts absorb road shocks and bumps.
B) there's a continuous change of distance between the output shaft and final drive pinion.
C) the drive shaft angle changes relative to its connections.
D) the final drive pinion nose angle changes when accelerating or braking.