Deck 116: Steering Columns and Gears

Question 1

The circuit to the airbag inflation module is connected from the steering column to the steering wheel through which component?

A)Clockspring (coil)
B)Hall-effect switch
C)Slip ring and carbon brushes
D)Magnetic field sensor

Answer 1

Clockspring (coil)

Question 2

Which part in the steering column allows for changes in the angle between the upper and lower shafts?

A)Universal joint
B)Flexible coupling
C)Column cover
D)Collapsible section

Answer 2

Universal joint

Question 3

The rotation of the steering wheel causes which part to move the actual steering linkage in a conventional steering gear?

A)Worm gear
B)Sector shaft
C)Pitman arm
D)Gear nut

Answer 3

Pitman arm

Question 4

The pitman shaft is also called the ________.

A)Sector
B)Input
C)Spline
D)Worm

Question 5

The driver rotates the steering wheel one-half of one revolution on a vehicle equipped with a steering gear with a 20:1 gear ratio. How many degrees will the front tires be rotated?

A)0.1 degrees
B)90 degrees
C)9 degrees
D)11.1 degrees

Question 6

What causes a variable ratio steering gear to be able to change the ratio as the steering wheel is turned?

A)Using a variable length pitman arm
B)Changing the length of the teeth on the sector gear
C)Changing the number of teeth on the worm gear
D)Using two or three different sector gears depending on design

Question 7

Recirculating steel balls are used in most conventional steering gears because they ________.

A)Provide for a variable ratio
B)Keep the steering wheel centered
C)Help provide feedback to the driver regarding the road surface
D)Reduce friction

Question 8

Which conventional steering gear adjustment should be the first performed?

A)Gear mesh adjustment
B)Worm bearing preload
C)Sector shaft end play
D)Tolerance adjustment

Question 9

The two rack and pinion steering gear adjustments include ________.

A)Stub shaft endplay and sector shaft preload
B)Worm bearing preload and tolerance adjustment
C)Sector shaft and stub shaft preload
D)Pinion bearing preload and rack support

Question 10

A driver of a vehicle equipped with a rack and pinion steering gear complains that the steering wheel jerks whenever the vehicle is being driven into a curbed driveway. Technician A says that the rack and pinion gears may have too little clearance between the teeth of the gears. Technician B says that a lack of lubrication of the rack and pinion is the most likely cause. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 11

Technician A says that the horn is wired in parallel with the horn switch. Technician B says that a relay is commonly used to control horn operation. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 12

Which gas is used to fill the airbag during airbag deployment?

A)Nitrogen
B)Hydrogen sulfide
C)Sulfur dioxide
D)Nitrous oxide

Question 13

Technician A says that a flexible coupling connects the steering shaft to the gear input shaft. Technician B says that the coupling connecting the steering shaft to the gear input shaft may be a universal joint. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 14

Technician A says that federal law requires all vehicles to be equipped with collapsible steering columns. Technician B says that a hammer can be used to install a steering wheel onto the steering shaft. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 15

Which component is NOT a safety requirement for steering column systems?

A)Collapsible column
B)Sector shaft
C)Knee bolster
D)All of these are correct

Question 16

Which component connects to the floor of the passenger compartment to isolate road noise, drafts, and dirt?

A)Stub shaft
B)Toe plate
C)Breakaway bracket
D)Knee bolster

Question 17

Technician A says that worm bearing preload is also called worm end play. Technician B says that sector lash is also known as gear lash. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 18

What purpose does the flexible coupling attached to the steering column serve?

A)Acts as a collapsible part of the steering shaft
B)Changes direction of movement
C)Both A and B
D)Neither A nor B

Question 19

What is the name of the flexible coupling that allows two shafts to join and allow plunging?

A)Pot joint
B)Plunge joint
C)U-joint
D)None of these

Question 20

What component helps isolate road forces and vibration from the steering shaft?

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

Question 21

Technician A says that vehicle manufacturers use break away steering column mounting brackets to protect the driver in an accident. Technician B says that vehicle manufacturers are required to use collapsible shafts in the steering column. Which Technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 22

What component locks the steering wheel in place when the driver removes the key?

A)Interplate
B)Lock plate
C)Both A and B
D)Neither A nor B

Question 23

Technician A says that the steering system changes rotary motion into lateral motion. Technician B says that steering ratio is influenced by the number of teeth on the worm gear. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 24

Technician A says that the front wheels are able to rotate through 60-80 degrees of rotation. Technician B says that turning the steering wheel all the way left then all the way right is turning the wheel "lock to lock." Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 25

Technician A says that variable ratio steering is the same thing as variable assist steering. Technician B says that constant ratio shaft and sector gears are the same size, unlike systems with variable ratio steering. Which technician is correct?

A)Technician A only
B)Technician B only
C)Both technicians A and B
D)Neither technician A nor B

Question 26

On a variable ratio sector shaft, the center gear tooth is ________ than the side gear teeth.

A)Smaller
B)Larger

Question 27

In this drawing, what components move when the worm shaft is rotated?

A)Ball nut
B)Sector shaft
C)Both A and B
D)Neither A nor B

Question 28

What adjustment is being made in this illustration?

A)Wormshaft endplay
B)Ball return ramps
C)Overcenter adjustment
D)Wormshaft preload

Question 29

What is the purpose of the adjuster nut in this drawing?

A)To set gear preload
B)To set steering gear end-play
C)To change rack oil
D)None of these