Suspension Final

When a TPMS sensor needs replacement, which of the following is NOT an option? A. Replace with a multiple protocol sensor B. Replace with an OE sensor C. Replace with a programmable aftermarket sensor D. Replace the sensor battery and program it to the vehicle

D. Replace the sensor battery and program it to the vehicle

Positive (+) toe is ________. A. toe plus camber B. toe plus caster C. toe-out D. toe-in

D. toe-in

Leaf springs typically accompany MacPherson strut suspensions. True or False

False

True or False. A sector shaft is used in most rack-and-pinion steering mechanisms.

False

True or False. A vehicle will pull to the side with the most (positive) toe.

False

True or False. You should use a pickle fork or hammer on aluminum parts.

False

What is static balance?

Static balance is the equal distribution of weight around the wheel. Wheels that are statically unbalanced cause a bouncing action called wheel tramp.

Technician A says conventional shock absorbers dampen spring movement. Technician B says conventional shock absorbers absorb shock. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

a. A only

Typically, a self-supporting tire can be driven for 50 miles (80 km) at speeds up to ____________________ mph after it has lost air pressure.

55

What is the purpose of a ball joint?

A ball joint connects the steering knuckle to the control arm, allowing it to pivot on the control arm during steering.

What is the function of a shock absorber?

A shock absorber dampens and stops the motion of the springs after jounce.

Before the strut insert can be removed from a typical MacPherson strut assembly, which operation is necessary to prevent possible personal injury? A. The coil spring should be compressed. B. The brake caliper and/or brake hose should be removed from the housing. C. The lower attaching bolts should be removed. D. The upper strut mounting bolts should be removed.

A. The coil spring should be compressed.

Many manufacturers specify some degree of ________ toe. A. positive B. negative C. zero D. None of these

A. positive

Technician A says that suspension diagnosis and service should begin with a comprehensive test drive. Technician B says that shocks or struts should be replaced in axle pairs. Which technician is correct? A. Technician A only B. Technician B only C. Both technicians A and B D. Neither technician A nor B

C. Both technicians A and B

Excessive positive camber will cause tire wear ________. A. in the middle of the tire B. on both tire edges C. on the outside shoulder of the tire D. on the inside shoulder of the tire

C. on the outside shoulder of the tire

Excessive toe-in will cause tire wear ________. A. on the inside shoulder of the tire B. in the middle of the tire C. on the outside shoulder of the tire D. on both tire edges

C. on the outside shoulder of the tire

Positive camber means ________. A. the front of the tire is pointed inward B. the front of the tire is pointed rearward C. the top of the tire is tilted outward D. the top of the tire is tilted inward

C. the top of the tire is tilted outward

A "witness mark" is a ________. A. type of tool B. type of fastener C. type of identification mark D. mark where two parts have rubbed or touched

D. mark where two parts have rubbed or touched

What is dynamic balance?

Dynamic balance is the equal distribution of weight on each side of the wheel/tire centerline. When the balanced tire spins, there is no tendency for the assembly to move from side to side. Wheels that are dynamically unbalanced can cause wheel shimmy and a wear pattern.

Shock absorbers are always mounted vertically. True or False

False

True orFalse. In a rack-and-pinion steering system, the rack is the steering input and drives the pinion in order to move the wheels.

False

When replacing tires, renew the valve stems only if they are leaking. True or False

False

Describe the major difference between conventional frame construction and unibody construction.

In the conventional body-over-frame construction, the frame is the vehicle's foundation. The body and all major parts of a vehicle are attached to the frame. Unibody construction does not use a separate vehicle frame because the body parts themselves supply the necessary rigidity and strength.

A P225/60 R16 89H tire cannot be driven safely at speeds over 130 mph. True or False

True

A tire filled with nitrogen gas will hold pressure three times longer than if filled with air. True or False

True

Amarid and kevlar tire cords are lighter than steel cords and actually stronger than steel. True or False

True

An asymmetrical tire has a tread design that is different from one side to the other. True or False

True

Most tires used today have built-in tread wear indicators (wear bars) to show when they need replacement. True or False

True

Shock absorbers dampen spring movement rather than absorb shock. True or False

True

Springs carry the weight of the vehicle and absorb shock forces. True or False

True

True or False. A vehicle will pull to the side with the least positive caster.

True

True or False. A vehicle will pull to the side with the most (positive) camber.

True

True or False. If REAR toe is uneven, the vehicle will pull to the side with the most toe-in.

True

True or False. Parallelogram steering arrangements typically use a rack and pinion mechanism.

True

True or False. Semi-independent suspensions are used on the rear of many front-wheel drive cars.

True

True or False. Since 1968, all steering columns have a collapsible feature that allows the column to fold into itself upon impact.

True

True or False. The faster a shock absorber moves, the more resistance it has to the movement.

True

True or False. The worm gear and the pitman gear are components within a recirculating ball steering gearbox.

True

True or False. Tire wear patterns are good indicators of steering and suspension problems.

True

True or False. Torsion bars are directional and are marked either right or left to identify on which side they are to be used.

True

Unusual tire wear patterns can be caused by worn shock absorbers. True or False

True

Technician A says a load-carrying ball joint supports the car's weight and is found on the control arm on which the spring rests. Technician B says all ball joints require periodic lubrication. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

a. A only

Technician A says periodic adjustment of the torsion bars is necessary to maintain the proper ride height. Technician B says torsion bars are interchangeable from side to side. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

a. A only

Technician A says the more aggressive the tread, the more noise it will make. Technician B says softer tires typically make more noise and last longer. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

a. A only

Technician A says torsion bars are used in pickup trucks and SUVs because they can be mounted low. Technician B says one end of the bar is attached to the vehicle frame, and the other end is attached to the steering knuckle. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

a. A only

A typical SLA suspension system has ______. a. an upper short arm and a lower long arm b. two arms of equal length c. a lower short arm and an upper long arm d. None of the answers is correct.

a. an upper short arm and a lower long arm

Rack-and-pinion steering ______. a. is lighter in weight and has fewer components than parallelogram steering b. does not provide as much feel for the road as parallelogram steering c. does not use tie-rods in the same fashion as parallelogram steering d. all answers are correct

a. is lighter in weight and has fewer components than parallelogram steering

Which of the following is NOT rated by the UTQG (Uniform Tire Quality Grading) rating system? a. load capacity b. traction c. temperature resistance d. tread wear

a. load capacity

The only steering linkage parts used in a rack-and-pinion system are the _____. a. tie rods b. center link c. idler arm d. pitman arm

a. tie rods

Which of the following is not part of a MacPherson mount? a. upper ball joint b. ball bearing c. upper spring seat d. rubber core

a. upper ball joint

Rack and pinion steering systems are being discussed. Technician A says they do not require inner tie-rod ends. Technician B says they require two outer tie-rod ends. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

b. B only

Technician A says many modern vehicles are equipped with bias ply or belted-bias ply tires. Technician B says modern vehicles are equipped with radial ply tires. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

b. B only

Technician A says radial tires can be mixed with other types of tires on the same vehicle. Technician B says tires should be replaced with ones of the same or higher speed rating. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

b. B only

On a parallelogram-type steering linkage, the _____ joins the inner and outer tie-rod ends. a. center link b. adjusting sleeve c. pitman link d. drag link

b. adjusting sleeve

Which of the following is not a type of leaf spring? a. monoleaf b. carbon/carbon composite c. multiple leaf d. fiber composite.

b. carbon/carbon composite

Which of the following is NOT part of a parallelogram-type steering linkage? a. center link b. control arm c. idler arm d. pitman arm

b. control arm

Which of the following materials is not used in the body and belts of radial tires? a. fiberglass b. copper mesh c. nylon d. steel mesh

b. copper mesh

Radial and axial tolerances in the ball joints are checked using a _____. a. straightedge b. dial indicator c. dial caliper d. beam-type torque wrench

b. dial indicator

Gas-filled shock absorbers perform better on rough roads because the pressurized gas _____. a. increases the spring rate b. helps prevent fluid aeration c. increases extension resistance d. absorbs heat energy

b. helps prevent fluid aeration

The sway bar link connects the sway bar to the ______. a. frame/unibody b. lower control arm c. steering knuckle d. torsion bar

b. lower control arm

A coil spring that is cylindrical in overall shape and has closely spaced coils at one end and widely space coils at the other end is called a _____ spring. a. barrel b. progressive rate c. torsional reflex d. truncated cone

b. progressive rate

A technician is checking a suspension complaint. He depresses the front bumper a few inches by hand then releases it. When the front bumper is released, it oscillates up and down about three times before coming to rest. What could be the problem? a. worn ball joints b. worn shock absorbers c. worn springs d. worn stabilizer links

b. worn shock absorbers

On a tire with a designation of P205/70R14, the distance between the rim and the top of the tire is ______. a. 70 millimeters (mm) b. 84 millimeters (mm) c. 70 percent of 205 millimeters (mm) d. 205 millimeters (mm)

c. 70 percent of 205 millimeters (mm)

Which statement is false? a. A follower ball joint mounts on the control arm that does not provide a seat for the spring. b. The follower does not get the same stress as the load carrier. c. Follower-type ball joints can rotate right and left, but cannot pivot up and down. d. The follower does not support vehicle weight.

c. Follower-type ball joints can rotate right and left, but cannot pivot up and down.

The profile is another name for a tire's ______. a. load range b. size c. aspect ratio d. bead

c. aspect ratio

Coil spring designs and ratings are being discussed. Technician A says coil springs may have a linear rate. Technician B says coil springs may have a variable rate. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

c. both A and B

Strut designs are being discussed. Technician A says in the conventional MacPherson strut, the coil spring surrounds the upper part of the strut. Technician B says in the modified MacPherson strut, the coil spring is located between the control arm and frame/unibody. Who is correct? a. A only b. B only c. both A and B d. Neither A or B

c. both A and B

Strut designs are being discussed. Technician A says in the conventional MacPherson strut, the coil spring surrounds the upper part of the strut. Technician B says in the modified MacPherson strut, the coil spring is located between the control arm and frame/unibody. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

c. both A and B

Technician A says a special puller is often required to separate a tie-rod end from the steering knuckle. Technician B says a special puller is required to separate the pitman arm from the pitman shaft. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

c. both A and B

Technician A says cars that use unibody construction are lighter than body-on-frame vehicles of comparable size. Technician B says in body-over-frame construction, all major parts of the vehicle are attached to the frame. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

c. both A and B

Technician A says higher aspect ratios provide a softer ride because they deflect more over irregular surfaces and under heavy loads. Technician B says shorter sidewall heights demand stiffer sidewalls. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

c. both A and B

Tire sidewall markings are being discussed. Technician A says maximum load, traction, and wear ratings are indicated. Technician B says maximum inflation pressure, tread plies, and sidewall plies are indicated. Who is correct? a. A only b. B only c. both A and B d. neither A nor B

c. both A and B

What controls the up-and-down movement of a vehicle as it moves down a bumpy road? a. struts b. shock absorbers c. both A and B d. neither A nor B

c. both A and B

The part (most likely to fail) in a parallelogram-type steering system is the ______. a. tie rods b. center link c. idler arm d. pitman arm

c. idler arm

Most information about a car's tires can be found ______. a. under the hood b. above the passenger's visor c. on the tire placard d. above the driver's visor

c. on the tire placard

Nearly all late model vehicles use a single _____ to drive the power steering pump and all other belt-driven components. a. flat drive belt b. V-belt c. serpentine belt d. multilink metal belt

c. serpentine belt

In a rack-and-pinion steering system, what protects the rack from contamination? a. the inner tie-rod socket b. grommets c. the bellows boots d. the outer tie-rod socket

c. the bellows boots

What is the primary purpose of power steering hoses? a. to lubricate the pump b. to relieve pressure c. to transmit pressurized fluid power d. None of the answers is correct.

c. to transmit pressurized fluid power

Which of the following is not part of a MacPherson mount? a. upper spring seat b. ball bearing c. upper ball joint d. rubber core

c. upper ball joint

In a parallelogram steering linkage, one tie-rod end is attached to the wheel's steering arm and the other end is connected to the _____________________.

center link

Identify the three types of springs used in suspension systems.

coil, leaf, and torsion bar.

On a P215/65 R15 89H tire, what is the section width of the tire? a. 6.5 inches b. 65 mm c. 8.9 inches d. 215 mm

d. 215 mm

On a P215/65 R15 89H tire, what is the profile of the tire? a. 215 percent b. 89 percent c. 15 percent d. 65 percent

d. 65 percent

The coil springs of the vehicle ______. a. support the weight of the vehicle b. respond to wheel jounce c. respond to wheel rebound d. All the answers are correct.

d. All the answers are correct.

Which of the following statements about sidewall markings is true? a. Aspect ratio indicates a grading for tread life b. Section width is the distance between the tread and the bead c. Recommended air pressure and safety warnings are indicated d. The tire's maximum safe inflation pressure and load are indicated

d. The tire's maximum safe inflation pressure and load are indicated

All steering systems have a ______. a. linkage b. steering gear c. steering column and wheel d. all answers are correct

d. all answers are correct

Hard steering could be caused by ______. a. inadequately inflated tires b. a loose power steering belt c. restricted power-steering lines or hoses d. all answers are correct

d. all answers are correct

Which of the following is NOT part of a rack-and-pinion steering system? a. pitman arm b. idler arm c. center link d. all answers are correct

d. all answers are correct

Torsion bar suspension is usually found on ______. a. high-performance cars b. luxury cars c. economy cars d. light pickup trucks and SUVs

d. light pickup trucks and SUVs

What component connects the steering gearbox to the steering linkage? a. tie-rod b. steering shaft c. idler arm d. pitman arm

d. pitman arm

The amount of load necessary to deflect the spring 1 inch (25.4 mm) is known as the _____. a. deflection index b. compliance ratio c. load rate d. spring rate

d. spring rate

Which of the following does not require a TPM warning system reset/relearn procedure? a. tire rotation b. sensor replacement c. tire replacement d. tire pressure adjustment

d. tire pressure adjustment

If the center tooth on the sector gear is larger than the teeth on either side, the steering box is a _____-ratio type. a. inverse b. constant c. reverse d. variable

d. variable

The ____________________ arm connects to the frame at the opposite sideof the center link from the pitman arm.

idler

A ____________________ tire has the same handling qualities in either direction of rotation.

nondirectional

The ____________________ arm connects the center link to the steering gear.

pitman

On a parallelogram type steering linkage, ___________________ connect the center link to the steering knuckles.

tie rods