Deck 9: Steering and Suspension Systems

Question 1

Sway bars are designed to increase vehicle lean during turns.

Answer 1

False

Question 2

Two technicians are discussing suspension system operation. Technician A says that sprung weight is usually everything mounted above the axles. Technician B says that engineers try to reduce sprung mass by reducing the weight of the wheels and suspension components. Who is correct?

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

Answer 2

A

Question 3

A TPMS relearn procedure must be run prior to the installation of a new sensor.

Answer 3

False

Question 4

Two technicians are discussing alignment measurements. Technician A says that toe is the difference in distance between the front and rear edges of tires on the same axle. Technician B says that ride height is very important to alignments. Who is correct?

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

Question 5

Which value reflects the percentage of the height of the sidewall to the width of the tire?

A) aspect ratio
B) tread width
C) tire diameter
D) tread density

Question 6

Independent suspensions require both wheels to move at the same time.

Question 7

Newer vehicles offer electronic tire pressure monitors to help drivers maintain the safety of their vehicle.

Question 8

In the radial ply tire, the cords are laid _____ to the tread.

A) 90 degrees
B) parallel
C) 45 degrees
D) 20 degrees

Question 9

What is the last link between the steering wheel and the steering knuckle?

A) The tire rod
B) The power steering pump
C) The center link
D) The pitman arm.

Question 10

Which statement is true of tire balancing?

A) A computerized balancer is required for static balancing.
B) Dynamic balancing is usually done on heavy truck or trailer tires
C) Static balancing is performed by adding a weight equal to the heavy spot on the opposite rim of the wheel
D) In static balancing, the tire is theoretically divided into quarters and each quarter is balanced to the others.

Question 11

The steering knuckle on a rack-and-pinion system is very similar to the parallelogram system.

Question 12

Two technicians are discussing bias ply tires. Technician A says bias ply tires contribute to a smooth ride. Technician B says that bias ply tires are used on larger trucks and trailers today. Who is correct?

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

Question 13

Two technicians are discussing tire treads. Technician A says that straight treads are for large vehicles which require traction for starting and stopping the vehicle. Technician B says that all-weather treads provide good traction on dry or wet roads. Who is correct?

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

Question 14

Coil springs are commonly used on the front of passenger cars and light trucks.

Question 15

Automatic ride control can tailor ride quality and ride height for a vehicle.

Question 16

Two technicians are discussing coil springs. Technician A says that coil springs are installed on semi-trucks. Technician B says that coil springs can be variable rate to handle additional loads. Who is correct?

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

Question 17

The power-steering switch in the pressure line of power-steering systems signals the PCM to lower the engine's idle speed during low-speed conditions.

Question 18

The suspension supports most of the vehicle's weight.

Question 19

MacPherson struts are lighter and more compact than traditional suspension components.

Question 20

Two technicians are discussing wheel alignment. Technician A says that wheels that are out of alignment can affect tire wear. Technician B says that many vehicles require heating and bending of components to align them. Who is correct?

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

Question 21

What type of steering system utilizes a steering gearbox?

Question 22

What is the proper adjustment order for performing an alignment?

Question 23

Two technicians are discussing leaf springs. Technician A says that leaf springs offer a more comfortable ride than standard coil springs. Technician B says that monoleaf springs are typically found on standard passenger cars. Who is correct?

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

Question 24

How are SAI and setback angle issues repaired?

Question 25

What is a TPMS in newer vehicles?

Question 26

What part of the suspension system helps control body lean during turns to help maintain vehicle control?

Question 27

What is the most common type of passenger car tire today?

Question 28

What suspension system component controls spring oscillation?

Question 29

Describe what purpose a TPC number serves.

Question 30

Which statement is true of torsion bars?

A) Torsion bars are short, square, steel bars.
B) Torsion bars are manufactured to twist and return to their original condition.
C) Torsion bars make it difficult to adjust the ride height.
D) Torsion bars are typically less stiff than a coil spring.

Question 31

Which statement is true of control arms?

A) Control arms connect the torsion bars and the vehicle frame.
B) Control arms are mounted with copper bushings.
C) Control arms may be two different lengths on the same wheel position.
D) Leaf springs are normally mounted between the control arms.

Question 32

Describe sprung and unsprung weight.

Question 33

What type of tread is most appropriate for a large over-the-road vehicle?

Question 34

What is the term for a tire moving up into the wheelwell when the wheel hits a high spot like a rock?

Question 35

Shock absorbers _____.

A) support the vehicle weight
B) include a nonextendable cylinder
C) control spring movement and oscillation
D) eliminate side-to-side motion of the vehicle

Question 36

What type of springs are typically used on the front of passenger cars and light trucks?

A) Coil springs
B) Air springs
C) Leaf springs
D) Plastic springs

Question 37

Which arm is connected between the steering gearbox and the center link?

Question 38

What is a vehicle's center of gravity?

Question 39

What is the diagnostic procedure for checking loose steering components?

Question 40

What component replaces a shock absorber and a control arm?