Suspension And Steering - All Modules Self Test

Front 1

One advantage of an air suspension is that:

A ) ride height is controlled automatically.
B ) it is cheaper to build and maintain.
C ) tire imbalance ceases to be a problem.
D ) all of the above.

Back 1

A ) ride height is controlled automatically.

Front 2

The vehicle thrust line is determined by the:

A ) rear toe.
B ) tracking.
C ) turning radius.
D ) front toe.

Back 2

B ) tracking.

Front 3

The invisible line drawn through the centre of the upper and lower ball joints on a conventional steering vehicle is known as the:

A ) steering axis.
B ) datum line.
C ) reference line.
D ) line of caster.

Back 3

A ) steering axis.

Front 4

The rack bearing adjustment on a rack and pinion power steering gear provides:

A ) worm bearing preload.
B ) sector shaft end play.
C ) high spot adjustment.
D ) rack to pinion mesh adjustment.

Back 4

D ) rack to pinion mesh adjustment.

Front 5

After washing tapered roller bearings with solvent:

A ) spin them dry with compressed air.
B ) compressed air should not be used.
C ) wipe them dry with a shop towel.
D ) blow them dry without spinning.

Back 5

D ) blow them dry without spinning.

Front 6

The function of the frame is to:

A ) support the suspension components.
B ) protect the occupants.
C ) keep the wheels in their proper positions.
D ) perform all of the above.

Back 6

D ) perform all of the above.

Front 7

Poor power steering assist during cold operation is caused by:

A ) low power steering fluid level.
B ) internal wear in the steering gear.
C ) internal wear in the power steering pump.
D ) a loose power steering pump belt.

Back 7

B ) internal wear in the steering gear.

Front 8

When the body of a vehicle continues to bounce after going through a dip, it probably needs:

A ) new springs.
B ) less tire pressure.
C ) new stabilizer bushings.
D ) new shock absorbers.

Back 8

D ) new shock absorbers.

Front 9

Bump steer is caused by unequal:

A ) camber change.
B ) toe change.
C ) caster change.
D ) tie rod adjustment.

Back 9

B ) toe change.

Front 10

After adjusting toe, tie rods must be positioned correctly before tightening the adjusters in order to:

A ) prevent tires from rubbing.
B ) allow the tie rods to rotate 30° in their sockets.
C ) minimize tire wear.
D ) properly fit into the tie rod guides.

Back 10

B ) allow the tie rods to rotate 30° in their sockets.

Front 11

The spool valve is centred in the valve body when:

A ) no steering effort is being applied.
B ) turning a corner.
C ) driving straight ahead.
D ) both a) and c).

Back 11

D ) both a) and c).

Front 12

Wear indicator load carrying ball joints should be:

A ) checked only on a frame contact hoist.
B ) unloaded before inspection.
C ) inspected with ball joints loaded.
D ) be checked by pry bar and ball joint inspection gauge.

Back 12

C ) inspected with ball joints loaded.

Front 13

A vehicle drives with the steering wheel off-centre. Inspection reveals a skewed rear axle. The proper repair procedure is to:

A ) replace the damaged rear suspension components.
B ) cut off one of the rear spring mounts and weld it in the proper position.
C ) remove and replace the steering wheel in the straight-ahead position.
D ) not repair anything unless the wheels are rubbing.

Back 13

A ) replace the damaged rear suspension components.

Front 14

The rear toe must be adjusted before the front toe because:

A ) rear toe determines the position of the front wheels when driving straight ahead.
B ) the rear toe is more important.
C ) the car is always driven on the alignment rack front first.
D ) all of the above.

Back 14

A ) rear toe determines the position of the front wheels when driving straight ahead.

Front 15

Increased load at the rear of a vehicle causes caster to:

A ) increase toward (+).
B ) stay the same.
C ) increase toward (-).
D ) increase on one wheel and decrease on the other.

Back 15

A ) increase toward (+).

Front 16

Technician A says a tire is designed to absorb road shock. Technician B says the grip created between the tire and road is called traction. Which technician is correct?

A ) Technician A only
B ) Technician B only
C ) both technicians
D ) neither technician

Back 16

C ) both technicians

Front 17

A vehicle pulls slightly to the left at all times. The cause could be:

A ) excessive toe-in (+).
B ) excessive toe-out (-).
C ) low tire pressure on both front wheels.
D ) unevenly adjusted caster.

Back 17

D ) unevenly adjusted caster.

Front 18

A ball joint that receives the force from the coil spring or torsion bar is called a:

A ) follower type.
B ) self loading type.
C ) load carrier type.
D ) preload type.

Back 18

C ) load carrier type.

Front 19

High pressure develops in the power steering system when the:

A ) directional control valve is centred.
B ) flow control valve is open.
C ) flow control valve is closed.
D ) pressure relief valve is open.

Back 19

C ) flow control valve is closed.

Front 20

Incorrect turning radius may cause:

A ) tire squeal.
B ) tire wear.
C ) both a) and b).
D ) neither a) or b).

Back 20

C ) both a) and b).

Front 21

The front of the car raises when the wheels are turned in either direction from centre. The probable cause is;

A ) uneven caster.
B ) camber out of range.
C ) SAI.
D ) seized ball joint.

Back 21

C ) SAI.

Front 22

Most power steering systems are:

A ) linkage type.
B ) non-integral.
C ) integral.
D ) electric powered.

Back 22

C ) integral.

Front 23

The final adjustment made on a manual recirculating ball and nut steering gear is:

A ) worm bearing preload.
B ) sector shaft endplay.
C ) high spot adjustment.
D ) sector bearing preload.

Back 23

C ) high spot adjustment.

Front 24

During your pre-alignment visual inspection you notice that the vehicle tends to lean to the left. The probable cause would be:

A ) a leaking shock absorber.
B ) excessive negative camber.
C ) a broken spring.
D ) all or any of the above.

Back 24

C ) a broken spring.

Front 25

When adjusting a recirculating ball type power steering gear, seating the adjuster plug and backing it off a prescribed amount provides:

A ) thrust bearing adjustment.
B ) rack bearing adjustment.
C ) high spot adjustment.
D ) sector shaft end play adjustment.

Back 25

A ) thrust bearing adjustment.

Front 26

The endplay of adjustable tapered roller wheel bearings should be maintained between:

A ) 0.0254 to 0.127 mm (0.001 to 0.005 in).
B ) 0.127 to 0.178 mm (0.005 to 0.007 in).
C ) 0.178 to 0.254 mm (0.007 to 0.010 in).
D ) 0.254 to 0.381 mm (0.010 to 0.015 in).

Back 26

A ) 0.0254 to 0.127 mm (0.001 to 0.005 in).

Front 27

Power steering gears should be overhauled:

A ) if the steering system provides no assist.
B ) only after ruling out other possibilities.
C ) every time the pump is serviced.
D ) if the system is noisy.

Back 27

B ) only after ruling out other possibilities.

Front 28

The thrust line should be the same as, or at least parallel to the:

A ) geometric centre line.
B ) vehicle centre line.
C ) both a) and b).
D ) neither a) or b).

Back 28

C ) both a) and b).

Front 29

The thrust line is corrected when adjusting:

A ) rear camber.
B ) rear caster.
C ) rear toe.
D ) none of the above.

Back 29

C ) rear toe.

Front 30

Wander and weave may be caused by:

A ) a loose steering gear adjustment.
B ) a tight steering gear adjustment.
C ) either a) or b).
D ) neither a) nor b).

Back 30

C ) either a) or b).

Front 31

Over-inflation of tires tends to increase:

A ) the traction of the tire.
B ) tire operating temperature.
C ) wear on the shoulders of the tread.
D ) wear in the centre of the tread.

Back 31

D ) wear in the centre of the tread.

Front 32

Sector shaft end play is controlled by:

A ) the thickness of a shim.
B ) sector shaft bearing preload.
C ) a factory endplay setting.
D ) the sector bearing adjuster plug.

Back 32

A ) the thickness of a shim.

Front 33

Technician A says the hub, drum, or rotor must be constantly rotating when a bearing adjusting nut is being torqued. Technician B says after a bearing adjusting nut has been initially torqued, the nut is tightened to the next cotter pin hole. Which technician is correct?

A ) Technician A only
B ) Technician B only
C ) both technicians
D ) neither technician

Back 33

A ) Technician A only

Front 34

When no steering effort is being applied to the steering wheel:

A ) the flow control valve is always closed.
B ) fluid pressure is high in the system.
C ) the pressure relief valve is open.
D ) fluid flows freely through the system.

Back 34

D ) fluid flows freely through the system.

Front 35

If the thrust line is off to the right the vehicle will:

A ) pull to the left.
B ) pull to the side with the shortest wheel base.
C ) dog track.
D ) all of the above.

Back 35

D ) all of the above.

Front 36

Adding or subtracting shims on an upper control arm to move the upper ball joint inward will increase:

A ) positive camber.
B ) positive caster.
C ) negative caster.
D ) negative camber.

Back 36

D ) negative camber.

Front 37

Which of the following conditions could result from a tire operating at lower than recommended air pressure?

A ) reduced traction
B ) increased operating temperature
C ) decreased operating temperature
D ) accelerated wear at the centre of the tread

Back 37

B ) increased operating temperature

Front 38

Technician A says non-serviceable wheel bearings are used mainly with FWD vehicles. Technician B says the inside wheel bearing used with adjustable bearings is larger than the outer one because the inside bearing supports more of the vehicle mass. Which technician is correct?

A ) Technician A only
B ) Technician B only
C ) both technicians
D ) neither technician

Back 38

C ) both technicians

Front 39

Camber is measured by comparing the wheel angle to:

A ) true vertical.
B ) caster.
C ) geometric centre line.
D ) thrust line.

Back 39

A ) true vertical.

Front 40

A tire is worn with a sharp feathering wear pattern toward the inside of the tire. The most likely cause is:

A ) insufficient tire pressure.
B ) excessive tire pressure.
C ) high speed cornering.
D ) incorrect toe setting.

Back 40

D ) incorrect toe setting.

Front 41

When road testing a vehicle for alignment:

A ) drive on a variety of road surfaces.
B ) drive as fast as possible.
C ) never drive over 30 km/h.
D ) avoid all rough roads.

Back 41

A ) drive on a variety of road surfaces.

Front 42

The endplay on a front wheel drive wheel bearing is 1.2 mm (0.050 in). The correct service procedure is to:

A ) replace the bearing assembly.
B ) spin the wheel up to 40 mph to check for noise.
C ) leave the bearing; no service is required.
D ) tighten the axle nut until endplay is reduced.

Back 42

A ) replace the bearing assembly.

Front 43

Active suspensions make instantaneous adjustments to the suspension in response to changes in:

A ) acceleration and deceleration.
B ) steering inputs.
C ) body roll and G forces.
D ) any of the above.

Back 43

D ) any of the above.

Front 44

Dynamic imbalance causes:

A ) side to side tire movement.
B ) up and down tire movement.
C ) tire tread cupping.
D ) vehicle wander and weave.

Back 44

A ) side to side tire movement.

Front 45

On an integral power steering system, the power piston is located on the:

A ) steering linkage.
B ) sector shaft.
C ) rack piston.
D ) stub shaft.

Back 45

C ) rack piston.

Front 46

The lower ball joint on a SLA suspension with the spring on the lower control arm is:

A ) a load carrier.
B ) a follower.
C ) always compression loaded.
D ) inspected for wear by lifting under the frame of the vehicle.

Back 46

A ) a load carrier.

Front 47

The following readings are found on a vehicle with strut suspension with adjustable camber at the spindle mounts. Camber specification is 1/4º.

Left Camber 1 1/4° Right Camber - 3/4°

Left SAI 12 1/2° Right SAI 14 1/2°

Which of these is the correct repair?

A ) Adjust both camber adjustments.
B ) Move the cradle right.
C ) Replace the left control arm.
D ) Move the cradle left.

Back 47

D ) Move the cradle left.

(Camber incorrect and opposite)

Front 48

The following readings are found on a vehicle with strut suspension and caster adjustable with a strut rod adjustment.

Left Camber 2 1/4° Right Camber 1/4°

Setback + 1 1/4°

Which of these is the correct repair?

A ) Adjust left caster more positive.
B ) Move the cradle rearward on the right.
C ) Replace the right strut.
D ) Adjust right caster more positive.

Back 48

D ) Adjust right caster more positive.

Front 49

Incorrect turning radius is most likely the result of:

A ) improper toe-in.
B ) improper toe-out.
C ) excessive tie rod movement.
D ) a bent steering arm.

Back 49

D ) a bent steering arm.

Front 50

While road testing a vehicle, you feel a pull to the left on the steering wheel during heavy braking, accompanied by a loud clunk. The most likely problem is:

A ) worn control arm bushings.
B ) too much positive camber on the right.
C ) weak shock absorbers.
D ) too much positive caster on the left.

Back 50

A ) worn control arm bushings.

Front 51

A steering system that uses a small drive gear and a flat gear acting directly on the tie rods is called:

A ) rack and pinion steering.
B ) manual steering.
C ) direct drive steering.
D ) pinion gear steering.

Back 51

A ) rack and pinion steering.

Front 52

Moving the top of the MacPherson strut rearward will cause the:

A ) caster to move more positive.
B ) camber to move more negative.
C ) caster to move more negative.
D ) camber to move more positive.

Back 52

A ) caster to move more positive.

Front 53

A damaged or bent frame can cause:

A ) poor handling.
B ) suspension component wear.
C ) the steering wheel to be positioned off-centre.
D ) any of the above.

Back 53

D ) any of the above.

Front 54

In a recirculating ball type steering gearbox, the teeth on the sector shaft are meshed with the:

A ) input gear.
B ) ball nut teeth.
C ) steering shaft gear.
D ) worm shaft gear.

Back 54

B ) ball nut teeth.

Front 55

The force or weight required to deflect a spring one inch is called:

A ) spring rate.
B ) spring weight.
C ) unsprung weight.
D ) spring rebound.

Back 55

A ) spring rate.

Front 56

A binding condition is felt when the steering wheel is turned through the centre position. Which adjustment is probably wrong?

A ) cross shaft end play
B ) worm shaft end play
C ) worm bearing preload
D ) high spot adjustment

Back 56

D ) high spot adjustment

Front 57

Included angle is defined as:

A ) including caster and camber together.
B ) SAI, camber and caster together.
C ) steering axis inclination and camber.
D ) point of intersection, true vertical and camber.

Back 57

C ) steering axis inclination and camber.

Front 58

The most common steering gear used in cars is:

A ) worm and sector.
B ) rack and pinion.
C ) recirculating ball and nut.
D ) cam and lever.

Back 58

B ) rack and pinion.

Front 59

Outer tie rod ends are most accurately checked for wear by using:

A ) a tie rod deflection tool.
B ) a pry bar.
C ) pliers to squeeze the joint.
D ) the dry park check for lateral movement.

Back 59

D ) the dry park check for lateral movement.

Front 60

The camber specification for a vehicle is 0° + 1/2° in one manual. Another manual lists the camber specification for the same vehicle as (-) 1/2° to (+) 1/2°. This means:

A ) one of the publishers has made an error.
B ) both specifications mean the same.
C ) camber specifications do not matter on this vehicle.
D ) you can only go by original equipment manufacturer specifications.

Back 60

B ) both specifications mean the same.

Front 61

If one front wheel is positioned rearward from the other, the vehicle is said to have:

A ) a diamond frame.
B ) setback.
C ) a swayed frame.
D ) a swung axle.

Back 61

B ) setback.

Front 62

The steering wheel should be locked in the straight-ahead position before disconnecting the steering column from the steering gear to prevent:

A ) damage to the air bag clock spring or contact coil.
B ) the steering linkage from getting off-centre.
C ) collapse of the steering shaft.
D ) deployment of the air bag.

Back 62

A ) damage to the air bag clock spring or contact coil.

Front 63

What type of angle is caster?

A ) load bearing
B ) directional control
C ) tire wearing
D ) guide or following

Back 63

B ) directional control

Front 64

Manual recirculating ball and nut steering gear adjustments can be checked in the vehicle when the:

A ) pitman arm is removed.
B ) steering shaft is removed.
C ) steering wheel is removed.
D ) worm bearing adjuster is removed.

Back 64

A ) pitman arm is removed.

Front 65

The valve attached to the stub shaft on an integral power steering gear is called the

A ) flow control valve.
B ) pressure relief valve.
C ) steering assist valve.
D ) directional control valve.

Back 65

D ) directional control valve.

Front 66

The purpose of the toe angle is to:

A ) maximize tire life.
B ) compensate for any deflection in the steering linkage.
C ) both a) and b).
D ) neither a) or b).

Back 66

C ) both a) and b).

Front 67

The most common type of frame used in modern cars is the:

A ) ladder frame.
B ) cross frame.
C ) perimeter frame.
D ) unibody.

Back 67

D ) unibody.

Front 68

Road testing a vehicle reveals a clunking sound when braking. This may be evidence of:

A ) incorrect toe adjustment.
B ) incorrect caster adjustment.
C ) incorrect camber adjustment.
D ) loose suspension components.

Back 68

D ) loose suspension components.

Front 69

The camber specification for a particular vehicle is 0.75° ± 0.25° . The camber range is:

A ) 0.5° to 0.75°
B ) 0.5° to 1.0°
C ) 0.75° to 1.0°
D ) 0.75° to 1.25°

Back 69

B ) 0.5° to 1.0°

Front 70

Before installing new conventional hydraulic shock absorbers, they must be:

A ) extended right side up and compressed in inverted position 3 to 4 times.
B ) cycled horizontally at least 5 times.
C ) extended in inverted position and compressed right side up 3 to 4 times.
D ) purged horizontally.

Back 70

A ) extended right side up and compressed in inverted position 3 to 4 times.

Front 71

If an excessively worn ball joint is found during your pre-alignment inspection:

A ) replace both ball joints.
B ) replace it before attempting an alignment.
C ) add 1/4° more camber to that wheel to compensate.
D ) perform the alignment and inform the customer.

Back 71

B ) replace it before attempting an alignment.

Front 72

A vehicle exhibits noticeable bump steer when driving through a dip in the road. The most probable cause is:

A ) uneven mounting of the steering rack or linkage.
B ) uneven caster.
C ) uneven camber.
D ) excessive toe-in.

Back 72

A ) uneven mounting of the steering rack or linkage.

Front 73

The MacPherson strut suspension:

A ) is an all new design.
B ) eliminates the use of upper control arms.
C ) is not repairable.
D ) is only used on foreign cars.

Back 73

B ) eliminates the use of upper control arms.

Front 74

During control arm bushing installation:

A ) it is always necessary to spot weld the replacement bushing.
B ) it is best to use an oversize bushing as a replacement.
C ) care must be taken not to distort the control arm.
D ) positioning of the bushing is not important.

Back 74

C ) care must be taken not to distort the control arm.

Front 75

Inspection of a rack and pinion steering gear reveals four uniform grooves around the inside of the valve housing bore. This condition is caused by:

A ) excessive pump pressure.
B ) abrasive wear between the seals and the housing.
C ) moisture in the fluid.
D ) excessive tight turning.

Back 75

B ) abrasive wear between the seals and the housing.

Front 76

Wheel runout is measured using a:

A ) ruler.
B ) dial indicator.
C ) tire gauge.
D ) torque wrench.

Back 76

B ) dial indicator.

Front 77

In a rack and pinion power steering gear, the gear teeth are lubricated by:

A ) power steering fluid.
B ) applying lubricant during assembly.
C ) filling the gear with lubricant after assembly.
D ) permanently lubricated components.

Back 77

B ) applying lubricant during assembly.

Front 78

Poor power assist can be caused by:

A ) an over-tightened pump belt.
B ) overfilling the fluid reservoir.
C ) a faulty flow control valve.
D ) loose sector shaft bearings.

Back 78

C ) a faulty flow control valve.

Front 79

Ride height should only be measured with the vehicle on a flat surface after:

A ) adjusting rear camber and toe.
B ) correcting tire inflation.
C ) changing ball joints.
D ) adjusting caster.

Back 79

B ) correcting tire inflation.

Front 80

During an alignment procedure you find the turning radius on the right side to be out of specification by 3°. To correct this you should:

A ) adjust the toe-in to 1/16 in.
B ) adjust both front tie rods equally.
C ) adjust the front wheels to match the thrust line.
D ) replace the bent steering arm.

Back 80

D ) replace the bent steering arm.

Front 81

A customer brings a vehicle in for an alignment complaining it pulls left. The first thing you should do is:

A ) compensate the sensors.
B ) verify the customer complaint.
C ) centre the vehicle on the alignment rack.
D ) check the ball joints.

Back 81

B ) verify the customer complaint.

Front 82

Power steering pumps operate by:

A ) high centrifugal force.
B ) pistons moving through cylinders.
C ) changing the volumes of fluid cavities.
D ) flexible fins on a rotating impeller.

Back 82

C ) changing the volumes of fluid cavities.

Front 83

Automatic ride control systems use computers to:

A ) maintain vehicle ride height.
B ) firm up the springs under certain driving conditions.
C ) tighten steering feel at high speed.
D ) adjust shock absorbers to driving conditions.

Back 83

D ) adjust shock absorbers to driving conditions.

Front 84

The basic working principle of a hydraulic shock absorber is based on:

A ) hydraulic fluid compressed in a cylinder.
B ) hydraulic fluid forced through an orifice.
C ) sliding friction on a piston.
D ) air forced through a piston.

Back 84

B ) hydraulic fluid forced through an orifice.

Front 85

Mechanic's wire can be used on multi-function switch wiring to:

A ) short out the switch during disassembly.
B ) secure the harness to the steering column.
C ) test for positioning in the connector.
D ) guide the wires through passages in the steering column.

Back 85

D ) guide the wires through passages in the steering column.

Front 86

When performing a wheel alignment the order of adjustment is:

A ) rear camber and toe, front caster, SAI, turning radius and toe.
B ) rear camber, rear toe, front and rear thrust line, caster, camber and toe.
C ) rear camber, rear turning radius, toe, front caster, front camber and toe.
D ) none of the above.

Back 86

D ) none of the above.

Front 87

Technician A says the drop centre part of a rim prevents a tire from rolling off the rim if the tire becomes deflated. Technician B claims this is the function of the safety bead. Which technician is correct?

A ) Technician A only
B ) Technician B only
C ) both technicians
D ) neither technician

Back 87

B ) Technician B only

Front 88

Tie rods are positioned to closely match the travel of the lower control arms to:

A ) prevent damage while driving over rocky roads.
B ) prevent excessive changes in toe due to normal suspension travel.
C ) allow the vehicle to be driven a short distance, if the tie rod should break.
D ) prevent binding between the control arms and the tie rods.

Back 88

B ) prevent excessive changes in toe due to normal suspension travel.

Front 89

When power steering fluid turns black or grey, it is usually a sign of a worn:

A ) power steering pump.
B ) directional control valve bore.
C ) power piston bore.
D ) inner rack seal.

Back 89

B ) directional control valve bore.

Front 90

Excessive toe-out causes:

A ) a pull to the right.
B ) a pull to the left.
C ) scuffing wear from outside to inside.
D ) scuffing wear from inside to outside.

Back 90

D ) scuffing wear from inside to outside.

Front 91

The caster specification for a specific vehicle with power steering is - 1/4° to 1 1/4°. The caster should be set to:

A ) - 1/4°
B ) 1 1/4°
C ) 3/4°
D ) 1/2°

Back 91

D ) 1/2°

Front 92

The direction the vehicle will travel in is determined by the:

A ) thrust line.
B ) vehicle centre line.
C ) geometric centre line.
D ) all of the above.

Back 92

D ) all of the above.

Front 93

Many power steering pumps are:

A ) vane type.
B ) electrically driven.
C ) low pressure pumps.
D ) cam driven.

Back 93

A ) vane type.

Front 94

The following readings are found on a vehicle with SLA suspension.

Left Camber 1/4° Right Camber 1 3/4°

Left SAI 7 1/2° Right SAI 6°

Which of these is the most likely repair?

A ) Adjust the right camber.
B ) Replace the right spindle.
C ) Replace the left control arm.
D ) Replace the left spindle.

Back 94

A ) Adjust the right camber.

(Included Angles are the same, therefore no bent parts)

Front 95

Incorrect toe setting may cause:

A ) a pull to the side that is most positive.
B ) instability at high speeds.
C ) rapid tire wear.
D ) a pull to the side that is most negative.

Back 95

C ) rapid tire wear.

Front 96

Two technicians are discussing manual steering. Technician A says steering gears convert rotary motion to linear motion. Technician B says manual steering gears produce a ratio, or mechanical advantage. Which technician is correct?

A ) Technician A
B ) Technician B
C ) both technicians
D ) neither technician

Back 96

C ) both technicians

Front 97

Which of the following statements are true for a tire marked P215/65R15?

A ) The width of the tire is 65% of its height.
B ) The tire is intended for passenger vehicles.
C ) The tire is 215 cm in diameter.
D ) All of the above statements are true.

Back 97

B ) The tire is intended for passenger vehicles.

Front 98

Seized upper strut mount bearings could cause:

A ) bump steer.
B ) torque steer.
C ) memory steer.
D ) low-speed shimmy.

Back 98

C ) memory steer.

Front 99

The following readings are found on a vehicle with SLA suspension.

Left Camber 1/4° Right Camber - 1 3/4°

Left SAI 7 1/2° Right SAI 7 1/2°

Which of these is the correct repair?

A ) Adjust the right camber.
B ) Replace the right spindle.
C ) Replace the left control arm.
D ) Replace the left spindle.

Back 99

B ) Replace the right spindle.

Front 100

The clock spring provides a:

A ) hard-wired connection to the actuator.
B ) time delay for the air bag system.
C ) return device to collapse the air bag after deployment.
D ) timed triggering device for the air bag.

Back 100

A ) hard-wired connection to the actuator.

Front 101

If the wheel on a vehicle leans inward at the top, the angle produced is called:

A ) positive camber.
B ) negative camber.
C ) positive caster.
D ) negative caster.

Back 101

B ) negative camber.

Front 102

Power steering pressure is highest when:

A ) driving at high speed.
B ) parking.
C ) driving straight ahead.
D ) driving around curves.

Back 102

B ) parking.

Front 103

Careful measurement of camber, SAI and included angle reveals a bent control arm. Which of these is the correct repair procedure?

A ) Adjust camber to compensate for the bend.
B ) Replace the control arm.
C ) Straighten the control arm by heating and hammering it straight.
D ) Adjust caster to compensate for the bent control arm.

Back 103

B ) Replace the control arm.

Front 104

When mounting wheels on a vehicle, tighten the wheel lug nuts:

A ) as much as possible.
B ) only after driving a few kilometres.
C ) gradually and in sequence to the specified torque.
D ) with an impact wrench.

Back 104

C ) gradually and in sequence to the specified torque.

Front 105

When pressure testing a power steering system, the test pressure during hard turns in both directions is 1380 kPa (200 psi), but the maximum pressure developed with the tester valve closed is 9200 kPa (1330 psi). Of the following, the most likely cause is a problem with the:

A ) inlet check valve.
B ) pressure relief valve.
C ) directional control valve.
D ) flow control valve.

Back 105

C ) directional control valve.

Front 106

Front wheel bearings on a front-wheel drive vehicle:

A ) have no specified adjustment procedure.
B ) are adjusted by tightening the spindle nut.
C ) are serviced the same as rear-wheel drive wheel bearings.
D ) require periodic adjustment of the spindle nut.

Back 106

A ) have no specified adjustment procedure.

Front 107

The unibody is considered especially safe because it:

A ) was designed by Volvo.
B ) forms a cage-like safety cell for the occupants.
C ) is the most rigid frame type.
D ) always uses air bags.

Back 107

B ) forms a cage-like safety cell for the occupants.

Front 108

The main reference for measuring vertical distortion in a frame or unitized body is called the:

A ) thrust line.
B ) datum line.
C ) thrust true line.
D ) true horizontal.

Back 108

B ) datum line.

Front 109

When the upper strut mounts on a MacPherson strut vehicle are tilted forward of the lower ball joints, the vehicle will have:

A ) positive camber.
B ) negative camber.
C ) positive caster.
D ) negative caster

Back 109

D ) negative caster

Front 110

Frame twist or sag:

A ) cannot be diagnosed without specialized equipment.
B ) always causes the steering wheel to be positioned off-centre.
C ) can cause poor fit of body panels.
D ) can be accurately measured with a tracking bar.

Back 110

C ) can cause poor fit of body panels.

Front 111

A car with even caster and 1/2° camber on the left and 3/4° on the right will:

A ) pull left by 1/4°
B ) pull right by 1/4°
C ) drive straight because of the road crown.
D ) none of the above.

Back 111

B ) pull right by 1/4°

Front 112

The last angle to be adjusted when performing a wheel alignment is:

A ) toe.
B ) front caster.
C ) rear camber.
D ) SAI.

Back 112

A ) toe.

Front 113

Front wheel toe change during jounce and rebound is normal providing the change is:

A ) the same on each side.
B ) positive on jounce and negative on rebound.
C ) opposite on each side.
D ) less than 1/4º.

Back 113

A ) the same on each side.

Front 114

The most important step to remember when performing a wheel alignment is:

A ) make sure the alignment rack is level.
B ) follow the caster-camber selection rules.
C ) each step is important and valuable.
D ) road test the vehicle when you are finished.

Back 114

C ) each step is important and valuable.

Front 115

Caster will tend to lean the car into a turn if it is set:

A ) with shims.
B ) toward the front.
C ) positive.
D ) negative.

Back 115

D ) negative.

Front 116

Adding a shim at the top between the rear spindle and axle will cause the:

A ) camber to move more positive.
B ) camber to move more negative.
C ) toe to move more negative.
D ) toe to move more positive.

Back 116

A ) camber to move more positive.

Front 117

The last adjustment made on a wheel alignment is:

A ) rear camber.
B ) rear toe.
C ) front camber.
D ) front toe.

Back 117

D ) front toe.

Front 118

The air bag system must be disarmed:

A ) only if the air bag system is being serviced.
B ) any time the steering column is serviced.
C ) after removing the actuator.
D ) when the battery is replaced.

Back 118

B ) any time the steering column is serviced.

Front 119

Excessive positive caster can cause:

A ) body roll, tire wear and pulling.
B ) road shock, sensitive steering and bump steer.
C ) road shock, heavy steering and shimmy.
D ) shimmy, wander and weave.

Back 119

C ) road shock, heavy steering and shimmy.

Front 120

When reassembling the directional control valve on a recirculating ball type power steering gear, the:

A ) spool valve is indexed to the worm shaft.
B ) worm shaft is indexed to the stub shaft.
C ) stub shaft is indexed to the spool valve.
D ) stub shaft is indexed to the worm shaft.

Back 120

C ) stub shaft is indexed to the spool valve.

Front 121

Lengthening a front-mounted strut rod will increase:

A ) positive camber.
B ) positive caster.
C ) negative camber.
D ) negative caster.

Back 121

D ) negative caster.

Front 122

A pull condition persists after the front tires are replaced and wheel alignment has been corrected. The next logical step is to:

A ) replace the rear tires.
B ) inflate all tires to 50 psi.
C ) balance the wheels.
D ) switch the front tires from right to left.

Back 122

D ) switch the front tires from right to left.

Front 123

When installing a slotted nut on a tie rod end or ball joint:

A ) do not use a cotter pin if the hole does not align with the slot.
B ) always torque the nut to 90 ft. lbs. before installing a cotter pin.
C ) torque the nut to specifications and then back off the nut to align the slots with the hole.
D ) torque the nut to minimum specifications and then tighten further until the slots and the hole are aligned.

Back 123

D ) torque the nut to minimum specifications and then tighten further until the slots and the hole are aligned.

Front 124

A vehicle pulls slightly to the left at all times. The reason for this could be:

A ) low tire pressure on the left front tire.
B ) uneven camber.
C ) uneven caster.
D ) any of the above.

Back 124

D ) any of the above.

Front 125

Tapered roller type wheel bearings should be packed:

A ) only by machine:
B ) until all spaces between rollers are filled.
C ) with only NGLI #1 grease.
D ) while still wet with solvent.

Back 125

B ) until all spaces between rollers are filled.

Front 126

In order to accurately check an idler arm:

A ) grasp the centre link near the idler and push up and pull down.
B ) clamp the pivot point with slip joint pliers to check for internal looseness.
C ) measure for clearance between frame and idler arm.
D ) pry up and down on the idler arm with a pry bar.

Back 126

A ) grasp the centre link near the idler and push up and pull down.

Front 127

When replacing the passenger side inner socket assembly of a rack and pinion steering assembly , both inner bellows need to be removed because:

A ) removal of the bellows and transfer tube provides more clearance.
B ) this allows the use of a wrench on the flat teeth of the rack to prevent rotation and damage to gear teeth.
C ) this provides access to the inner rack seal which should be replaced, along with the inner socket assembly.
D ) both bellows should always be replaced.

Back 127

B ) this allows the use of a wrench on the flat teeth of the rack to prevent rotation and damage to gear teeth.

Front 128

Shorting bars in the connectors for the air bag system:

A ) short out the actuator circuit during deployment.
B ) close the actuator circuit when the system is armed.
C ) open the actuator circuit when the system is disarmed.
D ) short out the actuator circuit when the connector is disconnected.

Back 128

D ) short out the actuator circuit when the connector is disconnected.

Front 129

Positive displacement means that the pump:

A ) delivers the same volume per revolution.
B ) always delivers the same pressure.
C ) delivers more pressure at higher speed.
D ) always delivers the same flow.

Back 129

A ) delivers the same volume per revolution.

Front 130

The following readings are found on a vehicle with strut suspension with non-adjustable camber.

Left Camber 2 1/4° Right Camber 1/4°

Left SAI 12 1/2° Right SAI 14 1/2°

Which of these is the correct repair?

A ) Adjust left camber.
B ) Move the cradle right.
C ) Replace the left control arm.
D ) Move the cradle left.

Back 130

C ) Replace the left control arm.

Front 131

When servicing a rack and pinion power steering gear, the rack must be centred before disassembly because:

A ) the steering wheel centre position must match the centre position of the rack.
B ) the high spot must match the centre position of the steering wheel.
C ) rack bearing adjustment is always made in the centre position.
D ) the pinion cannot be reinstalled unless the rack is centred.

Back 131

A ) the steering wheel centre position must match the centre position of the rack

Front 132

Technician A says cupped tires can be caused by worn or defective shock absorbers. Technician B says wheels or tires with a static imbalance can cause tire cupping. Which technician is correct?

A ) Technician A only
B ) Technician B only
C ) both technicians
D ) neither technician

Back 132

C ) both technicians

Front 133

Any time the air bag actuator is removed from the vehicle, it must be:

A ) deployed in a controlled manner.
B ) carried with the trim cover held toward your body.
C ) stored so accidental deployment does not pose a hazard.
D ) replaced with a new one.

Back 133

C ) stored so accidental deployment does not pose a hazard.

Front 134

The main purpose of the steering linkage is to:

A ) accurately relay steering commands.
B ) support the steering arms.
C ) restrict the horizontal motion of the control arm.
D ) guide the vertical motion of the control arm.

Back 134

A ) accurately relay steering commands.

Front 135

Inspection of a steering column support reveals breakaway capsules that are shifted in their brackets. The proper service procedure is:

A ) to use larger washers on the fasteners.
B ) to tap the capsules back in place.
C ) no service is required. The capsules shift back on their own.
D ) to replace the steering column support.

Back 135

D ) to replace the steering column support.

Front 136

The two pieces of collapsible steering shafts are held together by:

A ) injected plastic.
B ) steel shear pins.
C ) bolts and nuts.
D ) springs.

Back 136

A ) injected plastic.

Front 137

A stabilizer (anti-sway) bar is attached to a car lower control arms in order to:

A ) control suspension movement and body roll.
B ) increase the car load carrying capacity.
C ) provide a softer ride over uneven road surfaces.
D ) allow for easier ride height adjustment.

Back 137

A ) control suspension movement and body roll.

Front 138

A bent steering arm should be:

A ) replaced.
B ) heated and straightened.
C ) bent while cold.
D ) shimmed no more than 6.35 mm (0.250 in).

Back 138

A ) replaced.

Front 139

During a road test, the steering wheel shakes from side to side at higher speeds. Technician A says this could be caused by front wheels not being statically balanced. Technician B says this could be caused by front wheels not being dynamically balanced. Which technician is correct?

A ) Technician A only
B ) Technician B only
C ) both technicians
D ) neither technician

Back 139

B ) Technician B only

Front 140

When the vehicle is in motion, ideally the toe setting should be:

A ) the same front to rear.
B ) zero (0°).
C ) slightly in.
D ) slightly out.

Back 140

B ) zero (0°)

Front 141

Two primary members of the parallelogram steering linkage are the:

A ) idler and pitman arms.
B ) idler arm and centre link.
C ) idler and steering arms.
D ) idler arm and spindle.

Back 141

A ) idler and pitman arms.

Front 142

Air bag wiring and connectors are commonly colour coded:

A ) red or green.
B ) yellow or orange.
C ) black or white.
D ) blue or purple.

Back 142

B ) yellow or orange.

Front 143

A power steering system makes a buzzing sound at all times. The problem is most likely caused by:

A ) a loose power steering pump belt.
B ) air in the system.
C ) excessive pressure in the system.
D ) a defective steering gear.

Back 143

B ) air in the system.

Front 144

Applying up and down force by hand on the steering centre link is one method of locating excessive wear in the:

A ) steering gear.
B ) steering linkage.
C ) steering column.
D ) ball joints.

Back 144

B ) steering linkage.

Front 145

High pressure develops in the power steering system any time:

A ) the flow is restricted.
B ) pressure relief valve is open.
C ) the flow control valve is open.
D ) either b) or c).

Back 145

A ) the flow is restricted.

Front 146

If turning radius specs are not published:

A ) it is not necessary to measure it.
B ) measurements should be the same side to side.
C ) the vehicle may not have turning radius.
D ) use specs from a similar vehicle.

Back 146

B ) measurements should be the same side to side.

Front 147

Which of the following is an allowable front-to-rear mix of different types of tires?

A ) bias-belted front; bias-ply rear
B ) radial-ply front; bias-belted rear
C ) bias-belted front; radial-ply rear
D ) none of the above

Back 147

D ) none of the above

Front 148

The first step in diagnosing a squealing noise coming from the power steering pump during parking manoeuvres is to:

A ) test the system for pressure.
B ) replace the power steering pump.
C ) check the belt condition and tension.
D ) check the fluid level.

Back 148

C ) check the belt condition and tension.

Front 149

When performing an alignment, which angle do you adjust first?

A ) front caster
B ) front camber
C ) front toe
D ) rear toe

Back 149

D ) rear toe

Front 150

When camber is zero (0°), SAI:

A ) and included angle will be zero (0°) also.
B ) and included angle will be the same.
C ) will be positive.
D ) will be negative.

Back 150

B ) and included angle will be the same.

Front 151

Excessive camber may cause:

A ) tire wear.
B ) tire feathering.
C ) both a) and b).
D ) neither a) or b).

Back 151

C ) both a) and b).

Front 152

Couplings on the steering shaft:

A ) are never serviceable.
B ) support and locate the steering column in the vehicle.
C ) help to isolate the steering wheel from road noise and shock.
D ) provide a non-flexible connection between the steering gear and the steering shaft.

Back 152

C ) help to isolate the steering wheel from road noise and shock.

Front 153

The ladder frame is:

A ) the most common frame.
B ) the safest of all frames.
C ) often built using channel construction.
D ) used on all trucks and RWD cars.

Back 153

C ) often built using channel construction.

Front 154

When measuring SAI you must also consider:

A ) the inward or outward tilt of the wheel.
B ) caster.
C ) positive camber.
D ) negative camber.

Back 154

A ) the inward or outward tilt of the wheel.

Front 155

Uneven side to side camber may cause:

A ) tire wear.
B ) excessive body roll.
C ) hard steering.
D ) the car to pull.

Back 155

D ) the car to pull.

Front 156

Turning radius is determined by:

A ) the amount of toe-out on turns.
B ) the steering axis.
C ) how sharp a turn the car can make.
D ) the angle of the steering arms.

Back 156

D ) the angle of the steering arms.

Front 157

When measuring turning radius, if the outside wheel is turned in 20°, the inside wheel should turn:

A ) the same to avoid tire wear.
B ) more.
C ) less.
D ) out 181/2°.

Back 157

B ) more.

Front 158

Stub-frames are located on:

A ) both front and rear of some vehicles.
B ) the front only.
C ) the rear only .
D ) perimeter frames only.

Back 158

A ) both front and rear of some vehicles.

Front 159

A low curb height measurement on the left side of a vehicle is most likely caused by a:

A ) broken or sagged right front spring.
B ) broken or sagged left front spring.
C ) leaking left front strut.
D ) worn out left rear shock absorber.

Back 159

B ) broken or sagged left front spring.

Front 160

Most steering column components:

A ) can be repaired or overhauled in the service shop.
B ) are replaced as an assembly.
C ) must be replaced every time they are removed.
D ) cannot be accessed in the vehicle.

Back 160

B ) are replaced as an assembly.

Front 161

The air bag light comes on when the vehicle is started, but goes out after a few seconds. The service procedure required is:

A ) to check for a loose connection at the yellow connector at the base of the steering column.
B ) no service is required. This is a normal self-test function.
C ) to replace the air bag fuse.
D ) to rearm the actuator.

Back 161

B ) no service is required. This is a normal self-test function.

Front 162

The inward tilt of the steering axis (viewed from the front) is called:

A ) negative camber.
B ) positive camber.
C ) negative SAI.
D ) steering axis inclination

Back 162

D ) steering axis inclination.

Front 163

While inspecting manual recirculating ball and nut steering parts, a technician notices small machining grooves along the length of the sector shaft gear teeth. To place the sector shaft in service, the technician should:

A ) sand or grind the teeth smooth.
B ) replace the sector shaft.
C ) replace the sector shaft and the ball nut.
D ) use the sector shaft; it is okay.

Back 163

D ) use the sector shaft; it is okay.

Front 164

On a rear wheel drive vehicle equipped with a solid axle and coil springs, the differential assembly is:

A ) sprung weight.
B ) unsprung weight.
C ) neither a) nor b).
D ) both a) and b).

Back 164

B ) unsprung weight.

Front 165

A power steering gear leaking internally produces:

A ) squealing noises at the pump.
B ) unequal assist pressures.
C ) excessively high system pressures.
D ) excessive heat build-up in the fluid.

Back 165

B ) unequal assist pressures.