Alignment Theory

Question 1

mos alignment diagbosis is _____^

Answer 1

system based diagnosis

Question 2

pull can be defined as ?

Answer 2

a tug in the steering either left or right while driving on a straight road

Question 3

what can cause a vehicle to pull?

Answer 3

worn/ damaged suspension and steering componets

Question 4

roads that are constructed with a slight angle to allow water drainage is known as whats?

Answer 4

Road Crown

Question 5

how can you observe a lead or drift?

Answer 5

by lifting hands ofd steering wheel and observing the drift on a straight road

Question 6

A mild pull that does not cause a force on the steering wheel is known as?

Answer 6

lead or drift

Question 7

when testing for lead or drift what precaution shoulld be taken?

Answer 7

make sure road is free of traffix

Question 8

what is wander

Answer 8

a condition where constant steering wheel conrrections must be made to to maintain a straight line

Question 9

what are the two most likely cause of wander in a vehicle?

Answer 9

worn suspension and steering components

and incorrect or unequal alingment

Question 10

stiff steering and slow return to centre is commonly caused by what?

Answer 10

leaks, low pressure in tires and lack or power steering

Question 11

tramp and shimmy is most likely caused by what?

Answer 11

unbalnced tires or defective tires and wheels

Question 12

tech a says wheel alignment will correct tramp and shimmy.
tech b says alignment will not correct tram or shimmy virbration. who is correct?

Answer 12

tech b

Question 13

camber or caster is measured in what?

Answer 13

degrees

Question 14

define what camber is

Answer 14

inward or outward tilt of the wheel when viewed from the front or rear

Question 15

if the top of the tire is tilted out then the camber is negative or positive?

Answer 15

positive

Question 16

if the top of the tire is tilted in then the camber is positive or negative?

Answer 16

negative

Question 17

if the wheel is true vertices then camber is how much degrees?

Answer 17

0

Question 18

many front wheel drive vehicles that used sealed wheel bearing specify _______ camber

Answer 18

negative

Question 19

a symptom of camber will be?

Answer 19

vehicle pulls to the side with the most positive camber

Question 20

excess positive camber can cause wear in waht area of the tire?

Answer 20

outside edge

Question 21

excess negative camber can cause wear on what location of the tire

Answer 21

inside edge

Question 22

negative camber creates a pulling force towards the inside or outside of the vehicle?

Answer 22

inside

Question 23

if camber angles are different from one side to the other where will the vehicle pull?

Answer 23

the side with the most camber

Question 24

tech a says excess camber can cause wear to wheel bearings. tech b says positive camber is desired because it puts more load on larger inner wheel bearing

Answer 24

both

Question 25

excess negative camber can contribute to _______ failure

Answer 25

outer wheel bearing

Question 26

camber is adjustable on all vehicles true or false

Answer 26

false

Question 27

camber should be _____ on boys sides

Answer 27

equal

Question 28

caster is measured in _____^

Answer 28

degrees or fractions of degrees

Question 29

Tech a says caster is the forward or rearward tilt of the steering axis in reference to a vertical line as viewed from the side of a vehicle. Tech B says caster is the forward or rearward tilt of the steering axis in reference to a horizontal line as viewed from the side of a vehicle. who is correct.

Answer 29

tech a

Question 30

zero caster means what?

Answer 30

the steering axis is straight up on 0 degrees

Question 31

on an SLA type suspension the upper pivot is the ______ and the lower pivot is the _______

Answer 31

upper ball joint lower ball joint

Question 32

why is negative caster is seldom used on today's vehicles why?

Answer 32

because it makes vehicle unstable at highway speeds

Question 33

positive caster is present when the upper suspension pivot is _______ the lower pivot point

Answer 33

behind

Question 34

is caster a tire wearing angle?

Answer 34

no

Question 35

positive caster causes _____in camber during a _____ this condition is called ______

Answer 35

changes , turn, camber roll

Question 36

caster is more used for _______

Answer 36

stability

Question 37

the degree of caster helps with steering wheel ________ after a turn

Answer 37

returnability

Question 38

if caster is excessively positive the vehicle will be ______

Answer 38

very stable

Question 39

tech a says steering effort increases with positive caster. tech b say steering effort decreases with positive caster

Answer 39

tech a

Question 40

vehicles with as many as 11 degrees postive caster usually use a _________ to control shimmy at ______ speeds

Answer 40

steering damper, high

Question 41

if caster is negative what will happen?

Answer 41

unstable vehicle and wander

Question 42

can caster cause excessive pull if so which direction will the pull be experienced on?

Answer 42

yes, the side with the least positive caster

Question 43

caster is adjustable on all vehicles true/false

Answer 43

false

Question 44

if caster is adjustable how is it adjusted?

Answer 44

moving upper or lower pivot points forward or backward.

Question 45

caster should be _____ on both sides

Answer 45

equal

Question 46

toe is measured in?

Answer 46

degrees or fractions of an inch

Question 47

toe is the _____ in ______ between ghe front and rear of the tire

Answer 47

difference, distance

Question 48

as viewed from the top of the vehicle zero toe means that both wheel are what?

Answer 48

parallel on the same axle

Question 49

toe angle is always split between the ________ wheel

Answer 49

two front wheels

Question 50

positive toe is called

Answer 50

toe in

Question 51

negative toe is called

Answer 51

toe out

Question 52

the purpose of adjusting toe setting is to provide maximum ______ with _________ tire wear

Answer 52

stability, minimum

Question 53

incorrect toe is a major cause of what?

Answer 53

excessive tire wear

Question 54

excessive tow can cause what type of wear on tires

Answer 54

feathering

Question 55

toe can also cause wear on the tire in what area

Answer 55

outer edges inner edges

Question 56

incorrect front toe causes a pull condition true or false?

Answer 56

false

Question 57

diagnola wear on a front tire of a front wheel drive vehicle is caused by

Answer 57

incorrect toe ok rear wheels of a front wheel vehicle

Question 58

front toe adjustment is made by correctly adjusting what?

Answer 58

the rod sleeve

Question 59

many manufacturers recommend what for the front wheels natural tendency to spread out.

Answer 59

toe in

Question 60

wear on tie rod ends and other steering linkage part causes what?

Answer 60

toe out