Deck 65: Steering Fundamentals

Question 1

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

Answer 1

steering ratio

Question 2

5)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.

Answer 2

True

Question 3

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

Answer 3

parallelogram

Question 4

14)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 5

15)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 6

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

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

Question 7

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

Question 8

6)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 9

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

Question 10

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 11

12)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 12

13)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.

Question 13

11)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 14

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

Question 15

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

Question 16

3)A locknut retains the steering wheel to the shaft.

Question 17

10)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 18

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

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

Question 19

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

Question 20

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

Question 21

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

Question 22

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

Question 23

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

Question 24

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

Question 25

25)What happens to the electronic control unit when some active front-steering systems electronically change the steering gear ratio?