Week #1 - Steering & Alignment (Chapter 25)

Question 1

When diagnosing a steering system using a power steering analyzer, which of the following should be true to obtain accurate results?

a. The steering system hydraulic oil should be cold
b. New steering system hydraulic oil must be used.
c. The steering system hydraulic oil should be above 140°F (60°C).
d. The engine oil should be at operating temperature

Answer 1

c. The steering system hydraulic oil should be above 140°F (60°C)

Question 2

True or False: When performing a front-end alignment, you should check and correct the toe setting first.

Answer 2

False

Question 3

What is the likely result of an out-of-alignment front end on a truck?

a. hard steering
b. directional instability
c. steer tire wear
d. all of the above

Answer 3

d. all of the above

Question 4

How are straight kingpins secured to the steering knuckle?

Answer 4

With a draw key

Question 5

True or False: Newer load-sensing hydraulically controlled power steering systems provide increased flow from the steering pump in response to an increase in steering pressure.

Answer 5

True

Question 6

True or False: In a conventional power steering system, demand for power assistance is opposite to its availability.

Answer 6

True

Question 7

Which of the following alignment angles can be corrected using shims on a leaf spring front end?

a. caster
b. camber
c. turning radius
d. toe

Answer 7

a. caster

Question 8

Which of the following best describes a power-assist steering gear system used on most current trucks?

a. integral hydraulic
b. hydrostatic
c. external air-assist
d. external hydraulic assist

Answer 8

a. intergral hydraulic

Question 9

True or False: When performing a front-end alignment, you should measure toe using a tape and tram gauge, it is necessary to make measurements between the tires at both the front and back at hub height.

Answer 9

True

Question 10

True or False: When inspecting a steering axle, you should use a protractor to check caster setting.

Answer 10

True

Question 11

True or False: When inspecting a steering axle, you should use a dial indicator to check knuckle vertical play.

Answer 11

True

Question 12

What type of hydraulic pump is used on most highway truck power-assist steering gear systems?

Answer 12

Vane

Question 13

Which of the following alignment angles has the potential to cause the most tire wear?

a. camber
b. caster
c. toe
d. Ackerman angle

Answer 13

c. toe

Question 14

Which of the following can be defined as the inward or outward tilt of the tope of the tires when viewed from the front of the vehicle?

a. camber
b. turning radius
c. toe
d. Ackerman angle

Answer 14

a. camber

Question 15

What components connects the Pitman arm to the steering control arm?

Answer 15

The drag link

Question 16

After properly connecting a power steering analyzer into a steering circuit with the engine running, what should happen when the flow control valve on the analyzer is closed?

a. The system pressure goes down
b. The wheels turn off-center
c. The system pressure goes up
d. The gpm gauge reading increases

Answer 16

c The system pressure goes up

Question 17

Which of the following contain ball and socket joints?

a. the steering gear
b. the tie-rod end
c. the Pitman arm
d. the steering knuckle

Answer 17

b. the tie-rod end

Question 18

When adjusting drag link length before installing it, which of the following should be true?

a. The front wheel should be in a true straight-ahead direction
b. The steering wheels should be a full lock on one side
c. The steering gear should be centered
d. both a and b

Answer 18

d. Both a and c

Question 19

Which of the following truck alignment angles can usually only be adjusted by bending the front axle?

a. kingpin inclination
b. toe-in
c. caster
d. camber

Answer 19

d. camber

Question 20

When setting worm shaft preload on a manual worm and sector-type steering gear, what would happen if you reduce the size of the shim pack?

a. The sector shaft seizes
b. The preload increases
c. The preload reduces
d. The pump leaks

Answer 20

b. The preload increases

Question 21

Which of the following assemblies uses U-joints?

a. the tie-rod
b. the drag link
c. the steering wheel
d. the steering column

Answer 21

d. the steering column

Question 22

Which of the following front-end angles is defined as the forward or rearward tilt of the kingpin centerline when viewed from the side of the vehicle?

a. caster
b. kingpin inclination
c. chamber
d. toe

Answer 22

b. kingpin inclination

Question 23

In a truck rack and pinion steering system, which of the following components is directly connected to the Ackerman arms?

a. the rack
b. the power cylinder
c. the Pitman arm
d. the pinion

Answer 23

a. the rack