steering and suspension second half

Steering components are connected by ________.

Ball and socket joints

Technician A says that steering linkages with zerk fittings should be greased at least every six months. Technician B says that some steering linkage joints are sealed and do not require regular service. Which technician is correct?

Both technicians

Technician A says that the current trend is to use remote power steering fluid reservoirs. Technician B says that using a remote reservoir allows for a more compact power steering pump assembly. Which technician is correct?

Both technicians

Which four wheel steering system is best for highway lane changes?

Same phase steering

The pitman shaft is also called the ________.

Sector

A power steering pressure test is being performed, and the pressure is higher than specifications with the engine running and the steering wheel stationary in the straight ahead position. Technician A says that a restricted high pressure line could be the cause. Technician B says that internal leakage inside the steering gear or rack and pinion unit could be the cause. Which technician is correct?

Technician A only

New tie rods are being installed. Technician A says to tighten the retaining nuts to specification and then loosen, if needed, to align the cotter pin hole. Technician B says to tighten farther to align the cotter key hole. Which technician is correct?

Technician B only

When pressure testing an hydraulic assisted power steering system, the highest pressures were greater that 50 PSI of each other. This indicates a problem with ________.

The flow control valve

Which part in the steering column allows for changes in the angle between the upper and lower shafts?

Universal joint

Electronically controlled variable assist power steering systems vary the amount of boost by ________.

Varying the pump output orifice size

What is the maximum pressure a power steering pump provides during low speed cornering?

1400 psi

Which of the following linkage types may NOT be used with a rack and pinion design?

All of these: Cross steer Haltenberger Parallelogram

Which of the following terms may be used to describe the center link?

All of these: Drag link Relay rod Connecting link

What can cause hard steering on a vehicle equipped with a hydraulic power assisted steering system?

All of these: Slipping power steering pump drive belt Low or contaminated power steering fluid Low tire pressure

Technician A says that vehicle manufacturers use break away steering column mounting brackets to protect the driver in an accident. Technician B says that vehicle manufacturers are required to use collapsible shafts in the steering column. Which Technician is correct?

Both Technicians

What term describes the inward tilt of the steering axis?

Both of these: King pin inclination SAI

A rack and pinion inner tie rod end is often secured by which of these methods??

Both of these: Riveted or pinned Staked

The electrohydraulic power steering pump provides hydraulic power to the steering gear and ________.

Brake booster

Included angle is ________.

Camber + SAI

The circuit to the airbag inflation module is connected from the steering column to the steering wheel through which component?

Clockspring

Recirculating steel balls are used in most conventional steering gears because they ________.

Reduce friction

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

True

High pressure hoses have to be used on the high pressure side of the power steering system because pressures can reach as high as ________.

1500 psi

How much effort is typically required to turn the steering wheel on vehicles with power steering?

2-3.5 lbs.

How much force is generally used to check idler arms?

25 lbs.

The driver rotates the steering wheel one-half of one revolution on a vehicle equipped with a steering gear with a 20:1 gear ratio. How many degrees will the front tires be rotated?

9 degrees

What purpose does the flexible coupling attached to the steering column serve?

Acts as a collapsible part of the steering shaft, Changes direction of movement

If caster is adjustable for a given vehicle, how does the technician adjust it?

All of These: Turning an eccentric cam Changing the length of the strut rod Adding or removing shims

Excessive negative camber will cause which of the following?

All of these: Excessive wheel bearing loading Improper handling Inner tire wear

How are the inner tie rods attached to the rack on a center take-off type rack and pinion steering gear?

Bolted

Technician A says that the steering system changes rotary motion into lateral motion. Technician B says that steering ratio is influenced by the number of teeth on the worm gear. Which technician is correct?

Both Technicians

What statement is true regarding the flow control valve on a power steering pump?

Both of these: It is located at the pump outlet It uses a variable orifice to control pressure

The steering torque sensor in an electric power steering system senses ________.

Both of these: Steering wheel torque Steering wheel direction

Technician A says that a flexible coupling connects the steering shaft to the gear input shaft. Technician B says that the coupling connecting the steering shaft to the gear input shaft may be a universal joint. Which technician is correct?

Both technicians

Technician A says that one advantage of hydraulics compared to a mechanical linkage is that fluid has no fixed shape. Technician B says that hydraulics offer the opportunity to multiply the input force. Which technician is correct?

Both technicians

Technician A says that outer tie rod ends should be replaced in pairs, even if only one is worn. Technician B says that inner tie rod ends should be replaced in pairs, even if only one is worn. Which technician is correct?

Both technicians

Technician A says that the front wheels are able to rotate through 60-80 degrees of rotation. Technician B says that turning the steering wheel all the way left then all the way right is turning the wheel "lock to lock." Which technician is correct?

Both technicians

Technician A says that tie rod ends are used to connect the steering linkage to the steering knuckles. Technician B says that some ball and socket joints are filled with rubber and do not require lubrication. Which technician is correct?

Both technicians

Technician A says that worm bearing preload is also called worm end play. Technician B says that sector lash is also known as gear lash. Which technician is correct?

Both technicians

Two technicians are discussing bump steer. Technician A says that an unlevel steering linkage can be its cause. Technician B says that if the steering wheel moves when the vehicle is bounced up and down, the steering linkage may be bent. Which technician is correct?

Both technicians

Two technicians are discussing electric power steering (EPS) systems. Technician A says that some systems operate on 12 volts. Technician B says that some systems operate on 42 volts, such as on some hybrid electric vehicles. Which technician is correct?

Both technicians

Two technicians are discussing scrub radius. Technician A says that scrub radius cannot be measured. Technician B says that scrub radius cannot be adjusted. Which technician is correct?

Both technicians

Two technicians are discussing the proper procedure for bleeding air from a power steering system. Technician A says that the front wheels of the vehicle should be lifted off the ground before bleeding. Technician B says that the steering wheel should be turned left and right with the engine off during the procedure. Which technician is correct?

Both technicians

Which alignment angle is LEAST likely to cause tire wear?

Caster

What causes a variable ratio steering gear to be able to change the ratio as the steering wheel is turned?

Changing the length of the teeth on the sector gear

What type of motor is used in most electric power steering (EPS) systems?

DC brushless

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

False

What component helps isolate road forces and vibration from the steering shaft?

Flexible coupling

Cross steer linkage is found on ________.

Light trucks and vans

If REAR toe is uneven, the vehicle will pull to the side with the ________ toe-in.

Most

A driver of a vehicle equipped with a rack and pinion steering gear complains that the steering wheel jerks whenever the vehicle is being driven into a curbed driveway. Technician A says that the rack and pinion gears may have too little clearance between the teeth of the gears. Technician B says that a lack of lubrication of the rack and pinion is the most likely cause. Which technician is correct?

Neither Technician

Excessive toe-in will cause tire wear ________.

On the outside shoulder of the tire

What law states that pressure on a confined fluid is transmitted equally in all directions and acts with equal force on equal areas?

Pascal's law

The two rack and pinion steering gear adjustments include ________.

Pinion bearing preload and rack support

The rotation of the steering wheel causes which part to move the actual steering linkage in a conventional steering gear?

Pitman arm

The top of a tire is tilted out when viewed from the front. This is considered to be ________.

Positive camber

What is the name of the flexible coupling that allows two shafts to join and allow plunging?

Pot joint

Integral power steering gears use ________ for lubrication of the unit.

Power steering fluid in the system

Some vehicles are equipped to signal the computer whenever the power steering pressures increase so the idle speed can be increased to prevent stalling during turns at low speeds. What component signals the computer?

Power steering pressure switch

With four wheel steering systems, what term describes the front and rear wheels turning the same direction?

Same phase steering

Which component is NOT a safety requirement for steering column systems?

Sector shaft

What steering component dampens and absorbs sudden motions in the steering linkage?

Steering dampener

Technician A says that RBS type tie rod ends do not require periodic lubrication. Technician B says that the steering gear must be removed to replace outer tie rod ends. Which technician is correct

Technician A only

Technician A says that federal law requires all vehicles to be equipped with collapsible steering columns. Technician B says that a hammer can be used to install a steering wheel onto the steering shaft. Which technician is correct?

Technician A only

Technician A says that some power assist systems use an external cooler for the power steering fluid. Technician B says that all variable assist systems are electrically actuated. Who is correct?

Technician A only

Technician A says that the pitman arm is connected to the steering gear. Technician B says that an idler arm is used with all rack and pinion steering linkages. Which technician is correct?

Technician A only

The steering wheel in a vehicle moves when the body is bounced up and down. Technician A says that bent steering linkage components could be the cause. Technician B says that this is a normal condition. Which technician is correct?

Technician A only

Technician A says that all vehicles from the same manufacturer use the exact same power steering fluid. Technician B says that some fluids may be incompatible with system seals. Which technician is correct?

Technician B only

Technician A says that steering ball socket joints do not need lubrication. Technician B says that its a good idea to lubricate steering stops. Which technician is correct?

Technician B only

Technician A says that the horn is wired in parallel with the horn switch. Technician B says that a relay is commonly used to control horn operation. Which technician is correct?

Technician B only

Technician A says that the inner tie rod end mounts to the end of the rack on all rack and pinion systems. Technician B says that some rack and pinion systems use inner tie rod ends mounted to the center of the rack. Which technician is correct?

Technician B only

Technician A says that torque prevailing nuts can be reused unless damaged. Technician B says that a new cotter key should always be used. Which technician is correct?

Technician B only

Technician A says that variable ratio steering is the same thing as variable assist steering. Technician B says that constant ratio shaft and sector gears are the same size, unlike systems with variable ratio steering. Which technician is correct?

Technician B only

Positive camber means ________.

The top of the tire is tilted outward at the top

Which alignment angle is adjustable on all vehicles?

Toe

Which component connects to the floor of the passenger compartment to isolate road noise, drafts, and dirt?

Toe plate

What input(s) do/does the Magnasteer system use to determine the amount of power steering assist needed?

Wheel speed sensor

Which conventional steering gear adjustment should be the first performed?

Worm bearing preload

What is the MOST likely cause of bump steer?

Worn or oil soaked rack bushings

How much end play is generally acceptable in tie rod ends?

Zero