Deck 65: Steering Fundamentals

Question 1

A locknut retains the steering wheel to the shaft.

Answer 1

True

Question 2

A tilt release lever compresses the spring to release tension on the ratchet when steering wheel position adjustment is desired.

Answer 2

True

Question 3

All of the following statements are true EXCEPT:

A)power steering allows a vehicle to be easily steered at low speeds.
B)on many late-model vehicles, the speed of the vehicle determines how much power assist is given.
C)maximum power assist occurs at 150 rpm (fast idle) while the vehicle is at rest.
D)General Motors' electronic variable assist steering system, Magnasteer, has a rotary actuator attached to the input shaft of the hydraulically powered rack and pinion steering gear.

Answer 3

C

Question 4

The two common automotive steering gear types are the conventional recirculating ball and nut steering gear and the ____________________ steering.

Question 5

Which of the following is LEAST-Likely a component of the steering system?

A)Steering gear
B)Steering linkage
C)Steering column
D)Steering axle

Question 6

Tie-rod ends are attached to ball joints at the front wheels.

Question 7

The ____ refers to the amount of steering wheel rotation.

A)lock to lock
B)steering ratio
C)toe-out-on-turns
D)turn ratio

Question 8

The part that MOST-Likely connects the steering linkage parts is the:

A)jam nut
B)clock spring
C)ball socket
D)cradle

Question 9

When the transmission shift selector is located in the steering column, a slotted lock plate attached to the upper steering shaft is engaged with a lever to lock the steering wheel when the shift lever is in park and the ignition switch is off.

Question 10

All of the following statements are true EXCEPT:

A)a pump that is driven by a belt from the crankshaft supplies hydraulic power to assist steering effort.
B)most power steering is hydraulic, with pressure supplied from the crankshaft by a belt-driven pump.
C)steering assist is needed most when the car is stopped or nearly stopped.
D)the power steering pump develops more unneeded flow at lower engine rpm and vehicle speeds.

Question 11

Some steering linkages use a(n) ____________________, a horizontally mounted shock absorber, to minimize the effect of road shocks to the steering wheel.

Question 12

On a rack and pinion steering system, the end of the steering shaft has a pinion gear that meshes with the sector gear.

Question 13

While having a discussion, Technician A says that BMW's active steering system uses a planetary gearset between the steering wheel and the steering gear. The input is the planetary carrier and the output is the sun gear. Technician B says that the input is the sun gear and the output is the planetary carrier. Who is correct?

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

Question 14

The part that MOST-Likely includes a short section of shaft beneath the steering wheel connected to the steering column using gears or a universal joint is the:

A)belt pulley
B)tilt column
C)shear pin
D)tilt release lever

Question 15

Which of the following statements is LEAST-Likely true?

A)On the pivot lever gear box, a small, sensitive torsion bar twists in response to steering effort.
B)Integral units can be either recirculating ball or rack and pinion.
C)Power steering systems are either rack and pinion or conventional recirculating ball and nut with a hydraulic control system added.
D)To sense and control power steering assist, gearboxes use either a pivot lever or a torsion bar acting on a spool valve.

Question 16

The steering gear is connected to the wheels by the ____.

A)steering linkage
B)jam nut
C)spool valve
D)control valve

Question 17

A recirculating ball gear on a passenger car usually has ____________________ steering linkage.

Question 18

Turning the wheel all the way from one lock to the other is called ____________________.

Question 19

While having a discussion, Technician A says that electronically controlled steering gears can be "steer-by-wire" with no mechanical connection. Technician B says that they can be mechanically connected using an electrohydraulic steering gear. Who is correct?

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

Question 20

The ____________________ is determined by the number of teeth on the driving gear compared to the number of teeth on the driven gear.

Question 21

What has prevented electronically controlled steering "steer-by-wire" systems from gaining a foothold in the automotive industry?

Question 22

What is the purpose of the flow control valve in the power steering pump?

Question 23

What is the difference between a "fast" steering ratio and slower steering ratios?

Question 24

What is implied by the term 15:1 steering ratio?

Question 25

List three types of power steering pumps that have been used on cars.