Deck 21: Chassis Service and Wheel Alignment

Question 1

A suspension system is a special tool for squeezing the spring coils to reduce their height.

Answer 1

False

Question 2

Power steering uses hydraulic or electric energy to reduce the amount of effort required to turn the steering wheel.

Answer 2

True

Question 3

The major parts of a modern suspension system include all of the following EXCEPT:

A) the clutch
B) the shock absorbers
C) the control arm
D) the ball joints

Answer 3

A

Question 4

Toe is the difference in the distance between the front and rear of the left- and right-hand wheels.

Question 5

____ prevent minor engine vibrations and noise from being transferred into the body.

A) Casters
B) Calipers
C) Motor mounts
D) Shock absorbers

Question 6

Sheared plastic pins on a collapsible steering shaft are easy to detect with a visual inspection.

Question 7

On the typical 4WD vehicle, a transfer case is used to send power to the front and rear axles.

Question 8

A steering effort check involves measuring how far the steering wheel can be rotated without causing front wheel or tire movement.

Question 9

Negative camber means the top of the wheel is tilted out when viewed from the front.

Question 10

The drivetrain typically includes all of the assemblies that send power to the drive wheels, except the engine.

Question 11

All of the following are basic parts of a typical internal combustion piston engine EXCEPT:

A) the engine block
B) the engine piston
C) the engine valves
D) the drive shaft

Question 12

While having a discussion, Technician A says that a popping or clicking noise when turning an axle indicates inadequate lubrication in the inner or CV joint.Technician B says that it indicates excessive play in the inboard joint.Who is correct?

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

Question 13

A rear axle assembly is a unit within the drive axle assembly that uses gears to allow different amounts of torque (turning force) to be applied to each drive wheel while the vehicle is making a turn.

Question 14

The electric-assist power steering motors can be located on the rack and pinion or on the subframe.

Question 15

Twin I-beam axles allow each front wheel to absorb bumps and road irregularities independently, while providing sturdy, simple construction.

Question 16

Bolts that are tightened with any additional tightening angle are considered one-time use fasteners.

Question 17

A ____ is a device used to couple and uncouple engine power to a manual transmission or transaxle.

A) drive shaft
B) clutch
C) differential
D) CV axle

Question 18

The ____, either a worm or rack-and-pinion type, changes the wheel rotation into side movement for turning the wheels.

A) drive shaft
B) steering gearbox
C) suspension system
D) transaxle

Question 19

There are two basic types of CV-joint applications found on RWD unibody vehicles: independent rear suspension and solid axle housing.

Question 20

A ____ is a long tube that transfers power from the transmission to the rear axle assembly.

A) drive shaft
B) clutch
C) differential
D) CV axle

Question 21

All-wheel drive models usually send power to all four wheels ____.

A) intermittently
B) continuously
C) on-demand
D) sequentially

Question 22

The ____________________ provides energy to move the vehicle and power all of its accessories.

Question 23

The ____ controls the engine's operating temperature by controlling coolant flow through the system.

A) transmission
B) drive shaft
C) thermostat
D) transaxle

Question 24

____ is the angle represented by the vertical tilt of the wheels inward or outward when viewed from the front of the vehicle.

A) Camber
B) Caliper
C) Jounce
D) Caster

Question 25

Which of the following statements is LEAST-Likely true?

A) R134a refrigerant is compatible with R12 refrigerant.
B) R134a was designed to run in 1994 model year and newer vehicles.
C) The release of R12 into the atmosphere is prohibited by current environmental regulations.
D) R1234yf was chosen as the replacement for R134a.

Question 26

Technician A says that to remove a rack and pinion you must remove the outer tie rods from the steering knuckles.Technician B says that the clock spring can be severed if the steering wheel rotates excessively.Who is correct?

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

Question 27

The ____________________ includes all of the parts that produce and transfer power to the drive wheels to propel the vehicle.

Question 28

While having a discussion, Technician A says that antilock brake wheel speed sensors may be mounted in the steering knuckle.Technician B says that antilock wheels speed sensors may be an integral part of the wheel bearing assembly.Who is correct?

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

Question 29

_________ oils do not conduct electricity, which also makes them suitable for use in electric compressors like those found on hybrid vehicles.

A) mineral
B) PAG
C) POE
D) ESTER

Question 30

A ____ is used to remove a steering wheel from its shaft.

A) caliper
B) rotor
C) wheel puller
D) jounce

Question 31

In collision repair, ____ involves adjusting the vehicle's tires so that they roll properly over the road surface.

A) A/C recharging
B) wheel alignment
C) wheel pulling
D) powertrain removal

Question 32

The term MOST-Likely used to describe the distance between the centerline of the ball joints and the centerline of the tire at the point where the tire contacts the road surface is:

A) scrub radius
B) rebound
C) jounce
D) caliper

Question 33

_________ was chosen as the replacement for R134a in new model light-duty vehicles.

A) R-12
B) R-1234yf
C) R-134a
D) R-402

Question 34

The part that consists of a cast-iron drum bolted to the vehicle axle is MOST-Likely:

A) the brake shoe assembly
B) the drum brake assembly
C) the drive shaft
D) the transaxle

Question 35

____ is used to prevent freeze-up in cold weather and to lubricate moving parts.

A) Caster
B) Antifreeze
C) Oil
D) Torque

Question 36

____ is the angle of the steering axis of a wheel from true vertical, as viewed from the side of the vehicle.

A) Camber
B) Caliper
C) Jounce
D) Caster

Question 37

____ is the motion caused by a wheel going over a bump and compressing the spring.

A) Rebound
B) Runout
C) Jounce
D) Camber

Question 38

Which of the following is LEAST-Likely a component of a typical disc brake?

A) a grease cap
B) lug studs
C) a brake pad
D) an adapter

Question 39

While having a discussion, Technician A says that looseness in the ball sockets causes steering play.Technician B says that if you can wiggle the tires sideways during an inspection, the tie-rod ends are worn or damaged and should be replaced.Who is correct?

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

Question 40

____ uses a small pinion gear attached to the steering column and the rack gear in the steering gear housing.

A) Rack-and-pinion steering
B) Steering axis inclination
C) Caster
D) Camber

Question 41

Briefly discuss the fundamental parts of a fuel supply system.

Question 42

What guidelines must be strictly adhered to when working on emission control systems?

Question 43

What is the difference between positive caster and negative caster?

Question 44

The _________________________ allows the wheels and tires to move up and down over road irregularities with minimal vibration entering the passenger compartment.

Question 45

Following a collision, what condition would warrant a vehicle getting an alignment?

Question 46

_________________________ are dampening devices that absorb spring oscillations (bouncing) to smooth the vehicle's ride quality.

Question 47

A(n) ______________________________ is used with the turning radius gauge to measure caster and camber in degrees.