suspension DATSUN PICK-UP 1977 User Guide

SHOCK
ABSORBER

REMOVAL
AND

INSTAUATION

1
Raise
vehicle
on
a
hoist
or
stands

2
Remove

wheel

3
Hold
the

upper
stem
of
shock

absorber
and

remove
outs
washer

and

rubber
bushing

4

Remove
bolt
from
the
lower
end

of
shock
absorber

FA232

Fig
FA

13
Shock
absorber

S
Retain

lower
rubber

bushing
in

position
install
the

lower
end
of
shock

absorber
to
the
bracket
of
lower
link

and

torque
the
bolt

to
3

1

to
4

1

kg
m

23
to
30
ft
lb

Note
Insert
the
bolt
from
the
front

side
of
vehicle

6
Install
the

upper
end
of
shock

absorber
to

body
bracket
and

tighten

lock

n
Jt
to
the

specifjcations

Tightening
torque

1

6
to
2

2

kg
m
121016
ft
lb

INSPECTION

I

Check
shock
absorber
for
visible

defects
and
oil

leaks
Place
shock

absorber

vertically
in

a
vise
and
hand

stroke
shock
absorber

as
outlined
be

low

Extend
and

compress
shock
ab

sorber

as
faI

as

possible
travelling
as

long
as

possible

If
smooth

hydraulic
resistance
is

not

present
in

bqth
Iirection
replace

absorber

2

Replace
rubber

bushing
if
crack

or
deterioration
is
detected
Front
Axle
Front

Suspension

Specifications
for

shock
absorber

Model

Item

Piston
stroke

mm
in

Damping
force

kg
lb

0
3

m
sec
0

98
ft
sec

j

Rebound

Compression

STABILIZER

REMOVAL

AND

INSTAUATION

I

Raise
vehicle
on
a

hoist
or
stands

2

Remove
wheel

3
Loosen

secUring
nut
at
the
lower

link
side
of

stabilizer

4

Remove
bolt

securing
stabilizer

mounting
bracket

to
chassis
frame

Install
stabilizer
in

the
reverse
se

quence
to
removal

noting
the
follow

ing
instructions

S
Attach
stabilizer

mounting
brack

et
to
chassis
frame

tightening
bolt
to

1
6
to
2
2

kg
m
12

to
16
ft

lb

torque

6
Install
stabilizer
lower
link
side

to

connecting
rod
and

tighten
nut
to
the

specifications
as
shown

in

Figure

FA
14
Then

torque
lock

nut
toJ
6

to

2
2

kg
m
12
to

16
ft
lb

F

A233

Fig
FA
14
Stabilizer
detail

INSPECTION

Check

stabilizer
for
deformation

FA
S
All
models

110
4
3

76
168

38
84

and
rubber

bushings
for

crack
wear

and
deterioration

Replace
if
ne

cessary

TENSION
POD

REMOVAL
AND

INSTALLATION

I

Raise
vehicle
on

a
hoist

or
stands

2
Remove

wheel

3

Remove
nuts

CD
from

both
ends

of
tension

rod

4

Remove
bracket
bolt

@
from
the

front
end
of
tension
rod
and
remove

tension
rod

with
bracket

CD

@

f
A234

Fig
FA
15
Ten
ion
rod

Install
tension

rod
in

reverse
00

qunce
to
removal

noting
the

following

instructions

s

Install
tension

rod
at
rear
end

tighten
nut
to

make
the

distance
of

rubber

bushing
to
be
33
4
mm
1
315

in
and

torque
lock
nut
to
1

6
to
2
2

kg
m
12

to
16
ft
lb

6

Install
tension
rod
bracket

to

chassis

frame
bracket
and

torque
nut

to
1

6
to
2
2

kg
m

12
to
16
ft
lb

When

two
rubber

bushings
are
dif

ferent
in
size

arrange
adjusting
nut

Standard
dimension
is
11
0
mOl
0
433

in

as
shown
in

Figure
FA

16

Torque

lock
nut

to
1
6
to
2
2

kg
m

12
to
16

ft
lb

Il
0

11

0
0
433

t

lP

33
4
1
315

I

11
0

0
433
1
0
11
0

0

433

Adjusting
nut

Y
i

w

36
6
l
441

Unit
mm

in

FA235

Fig
FA
16
Tension
rod
detail

INSPECTION

I

Check
tension

rod
for
bend
and

the

thread
for

faulty
condition

Repair

or

replace
as

required

2

Check

bushing
rubber
for
wear

and
deterioration

Replace
if
neces

sary

TORSION

BAR

SPRING

REMOVAL
AND

INSTALLATION

Removal

1
Raise
vehicle
on
a
hoist
or
stands

2
Remove
wheel

3
Loosen
nuts
at

spring
anchor

bolt
Front
Axle
Front

Suspension

4
Remove
dust

cover
at
the
rear

end

of
torsion
bar

spring
and

detach

snap

ring

S
Withdraw
torsion
bar

spring
rear

ward

after

pulling
ou
t
anchor
arm

realWard

I

nstallalation

Install
torsion
bar

spring
in
the

reverse

sequence
of

removal

noting

the

following
instructions

I

Coat

grease
on
the
serrations
of

torsion
bar

spring
and
install
it

to

torque
arm

Note
Be

sure
to
install

right
and
left

torsion
bar

springs
correctly
They

can

be
identified
with
R

Right

and
L

Left
marked
on
the
end

surface

2
Install

anchor
arm
and

tighten

adjusting
nut
to

obtain
A
dimen

sion
See

Figure
F
A
17

When
anchor

arm
is

properly
adjusted
to
A

specification
upper
link
should
be
in

contact
with

rebound

bumper
rubber

See

Figure
FA
18
Install

snap
ring
and

dust
cover

Temporarily
tighten

adjust

ing
nut
until
B

specification
is

reached

I

I

I

FA236

Fig
FA
17

Installing
anchor
arm

Specifications
for
torsion
bar

spring

Diameter
x

length
mOl

in

Torsional

rigidity

kg
m

deg
ft
lb

deg

FA
9
Anchor
arm

setting
post
ion
A

ISt02Smm

0
59
to

0
98
in

Temporary
tightening
distance
B

60
to
70

mOl

2
36
to
2

76
in

UjPPje
Rebound

bumper

rubber

j

4W

Fig
FA

18

Setting
procedure

Notes

3
A

and
8

specifications
are

only
the

preliminary
rough
settings

directions
for

performing
the
final

adjustment
that

determines
the
ride

height
are
found
on

page
F
A
II

under

Adjustment

b
Discard
old

snap
ring
after

re

moving
it

Replace
with
new

one

during
reinstallation

3
Install
wheel
and

lower
vehicle

Adjust
vehicle

posture
at
curb

weight

full
fuel

tank
no

passengers
refer

ring
to

Adjustment

4

Torque
lock
nut
to
3
1
to
4
1

kg
m
22
to
30

ft
lb

INSPECTION

Check
torsion
bar

spring
for
wear

twist
etc
When

adjusting
vehicle

posture
replace
torsion
bar

spring

with
a
new
one
if
the

specified
height

can
not

be
obtained

All
models

21

9
x
830
0
862
x

32
68

3
74
27
I

UPPER
AND
LOWER

LINKS

REMOVAL
AND

INSTALLATION

Removal

I
Raise

vehicle
on
a
hoist
or

stands

2
Remove
wheel
and

brake
drum

as

an

assembly

3
Remove
wheel
hub
Refer
to
see

tion
Front
Axle

4

Loosen
bolts

retaining
brake
disc

to
knuckle

spindle
and

remove
brake

disc

5
Remove

knuckle
arm
torsion
bar

spimgJ
stabilizer
shock

absorber
and

tension

rod
in

t
ili
order

referring
the

related
sections

6
Remove

upper
fulcrum
bolt
se

curing
knuckle

spindle
support
to

upper
link

assembly
and
disassemble

them

7
Remove

upper
link

bushings
from

knuckle

spindle
support

8

Remove
screw
bushings
from

both
ends
of
lower
link
fulcrum

pin

9
Loosen
nut
at
lower

portion
of

knuckle

spindle
support
from
inside

and

pull
out
cotter

pin
retaining
ful

crum

pin

10
Pull

out
fulcrum

pin
with

drift

and
remove
knuckle

spindle

support

with
knuckle

spindle
from
lower
link

Then
detach
dust

cover

FA237

Fig
FA

19

Removing
fulcrum
pin

II

Remove
bolts

retaining
upper

link

spindle
and
remove

upper
link

spindle
with
camber

adjusting
shims

from

body
bracket
FrClnt

Axle
Front

Suspension

FA238

Fig
FA

20

Removing
upper
link

spindle

12
Remove
nut

retaining
lower
link

spindle
and
remove

lower
link

spindle

Remove
lower
link

with

torque
arm

from

mounting
bracket

13

Using
Transverse
Unk

Bushing

Replacer
ST36070000
to

lower
link

bushing
tap
it

with
a

hammer
and

drive

out
lower

link

bushing
from

bracket

F

A239

Fig
FA

21

Removing
lower
link

bushing

InstallatIon

Install

upper
and

lower
links
in

the

reverse

sequence
to
removal

noting

the

following
instructions

I

When
the

collar

inside
of

lower

link

mounting
bracket
and

bushing

outside

are
rusted

remove
rust
with

emery

paper

2

Fit
lower
link

bushing
into
lower

link

mounting
bracket

using
Trans

verse
Link

Bushing
Replacer

ST36070000
When

tapping
the
frift

with
a
hammer
be
careful

to
hit
the

drift

squarely

3

Secure
lower
link
to
lower
link

bushing
with
lower
link

spindle
and

torque
nut
to
74

to
8
0

kg
m
54

to

S8
ft
Ib

1

4
1n
4
Install

upper
link

spindle
to

upper

link

mounting
bracket
with

used

camber

adjusting
shims
and
bolts

Torque
bolt
to
7

0
to
9
0

kg
m
SI

to
6S
ft

lb

S

Install
dust
seat
to

the
lower
end

of

j
nuckle

spindle
support

6
Coat

grease
on
the
thread
of

fulcrum

pin
and
line

up
the

notch
of

fulcrum

pin
with

knuckle

spindle

sup

port
for

inserting
cotter

pin
Fit

fulcrum

pin
to

spindle
support
with
a

soft
hammer
Secure
cotter

pin
and

torque
lock
nut
to
0
8

to
1
1

kg
m

S
8

to
8
0
ft
lb

7

Coat

grease
to
the
tIuead

portion

of

screw

bushing
inside

liberally
Posi

tion

knuckle

spindle
support
at
the

center
of
lower
link
and
secure
screw

bushings
temporarily
by
hand
Mter

ascertaining
the
dimensions
become

correct
as
shown
in

Figure
F
A

22

torque
screw

bushings
to
20
to
30

kg
m

I4S
to
217
ft
lb

3

9
05
to

11
05

36
5
9
05
to
11
05

0
3563
to
0
4350

1
431
0
3563
to

0
4350

FA240

Fig
FA
22
In

tailing
IICrew
bu

hing

8

Replace
filler

plug
with

grease

nipple
and

pack
grease
until

grease

comes
out
from
dust
cover
Reinstall

filler

plug

9

Upon
installation
make
sure
that

fulcrum

pin

operates
smoothly
with

the

following
torque

Operating
torque

Less
than
0
5

kg
m
3
6
ft
lb

10
Install

upper
link

bushing
to

knuckle

spindle
support

I
I
Install
knuckle

spindle
support

to

upper
link
insert
fulcrum
bolt
and

torque
nut
to
3
9

to
S
3

kg
m
28
to

38
ft
lb

Note
When

installing
fulcrum

pin

insert
it

from
rearward

of
vehicle

12

Install

tension
rod
shock
ab

sorber

I
stabilizer
torsion

bar

spring

and

knuckle
arm

referring
to
the

related

paragraphs

13

Install
brake
disc

to
knuckle

spindle
and

torque
securing
bolt
to
4
2

to
5

0

kg
m
30

to
36
ft
Ib

14

Install
wheel
and
brake

drum
as

an

assembly
and

torque
knuckle

spin

dle

nut
to
8
0

to
9
0

kg
m
58
to
65

ft
Ib

DISASSEMBLY

AND

ASSEMBLY

Upper
link

I

Detach

upper
link

spindle
from

upper
links
and

remove

clamp
dust

cover
and
dust
seal
Secure

upper
link

in
a
vise
and

loosen
screw

bushing

Assemble
link

spindle
in
reverse

sequence
to

disassembling
noting
the

following
instructions

2

Torque
screw

bushing
on

upper

link
to
3S
to

55

kg
m
253
to

398

ft
Ib

Install
new
dust
seal
and
dust

cover
and
secure
them
with

clamp

3

Coat

grease
to

screw

bushing
in

side
and
the
thread

portion
of

upper

link

spindle

liberally
Screw
front
and

rear
links
to

upper
link

spindle
in
the

same

length
so
as
to
obtain

the

speci

fied

figures
as
shown
in

Figure
FA

23

Unit
mm
in

I

44

6
1
156
FA2

Upper
link

and

upper
link

spindle
Fig
FA
23
Front
Axle
Front

Suspension

4

Make
sure
to

operate
upper
link

spindle
smoothly
after

installation

5

Replace
filler

plug
with

grease

nipple
and

pack
grease
until

grease

comes
out
from

dust
cover

Reinstall
f1ller

plug

Lower
link

When

installing
torque
arm
on

lower
link

tighten
it

to
the

following

specifications

Serration
boss

1
8

to
2

6

kg
m

13
to

19
ft

Ib

Arm

head

2
7

to
3
7

kg
m

20
to

27
ft
tb

INSPECTION

Upper
link

spindle
fulcrum

pin

and
screw

bushing

Apply
screw

bushing
to

upper
link

spindle
or
fulcrum

pin
and
measure

axial
end

play
between

them

When
the
end

play
exceeds
0
35

mm
0

0138
in

replace

upper
link

spindle
or
fulcrum

pin
together
with

screw

bushings

Condition

Vehicle

empty
no

payload

Vehicle
loaded

Notes

a
Vehicle

empty
no

payload
consists

of
the

following
conditions

I
Full

tank
of

gasoline
radiator

f1lled
and

engine
oil
level
full

2

Spare
tire
wheel

jack
and

jack

handle
in

design
position

b
Vehicle
loaded
consists
of
the
fol

lowing
conditions

For
all
models
2

persons
and
SIlO

leg
I
103lb

payload

FA
Check
the
screw
of

upper
link

spindle
fulcrum

pin
and
screw
bush

ing
and

repair
or

replace
if

necessary

Note

Discard
dust
cover
and

dust
seal

when
disassembled

ADJUSTMENT

VEHICLE
POSTURE

Vehicle

posture
may
be
incorrect

due

to
weakened

spring
or

other

faulty

condition
The

following
procedures

are

necessary
when

adjustment
is

Ie

quired

That
is

the
vehicle

posture
can
be

adjusted
by

obtaining
only
the

speci

fied
H

dimension

changing
the

length
of
anchor
bolt

I

Raise
front
of
vehicle

on
stands

2

Adjust
H

dimension
with

turn

ing
nut

adjusting
anchor
bolt
H

dimension

changes
approximately
3
5

mm
0

J38
in

vertically
when

adjust

nut
is
turned

one

complete
turn

3
To

make
the
best

vehicle

posture

H
dimension
must
be
in
the
follow

ing
range

H

dimension
mOl

in

All
models

79
to

84
3

11
to
3
31

54
5
2

15

o
i

Fig
FA

24
FA242

Dimension

for
standard

vehicle

postl4re

WHEEL
ALIGNMENT

Correct
front
wheel

alignment

attains

proper
vehicle

handling
charac

teristics
and
the
least

steering
effort

with
a
minimum
amount
of
tire
wear

Before

adjusting
front
wheel

align

ment
make
sure
to

carry
out
a

pre

liminary
inspection
of
the
front
end

parts
for
the

following
conditions

1
Tire

pressure
and

balance

2
Wheel

bearings
and
nuts

3

Steering

gear
play

4

Steering
gear

housing
at
frame

S

Steering
linkage
and
connections

6
Shock
absorber
action

When

using
the

equipment
for
front

wheel

alignment
inspection
follow
the

inst

c
tions
furnished

with
the

equip

ment
Furthennore
the

inspection

should
be
made
with
the

vehicle
level

and
at

curb

weight

Camber
and

caster

Measure
camber
and
caster

and

adjust
them
in

accordance
with

the

following
procedures
if

necessary

Both
camber
and
caster

are
ad

justed
by
increasing
and

decreasing

thickness

of

adjust
shim

inserted
be

tween

upper
link

spindle
and

upper

link

mounting
bracket

To

adjust
caster

make
a

difference

between

thickness
of
front

and
rear

shims

By

adding
a
shim

I
mm
0

039

in

at
front
side

caster
will
be
de

creased

by
33

At
the

same
time

camber

will
also
be

decreased

by
6
S

To

adjust
camber
add
or
remove
an

equal
amount
of

shims
to
front

and

rear
sides

By

adding
a

pack
of
shims
I

mOl
0
039
in

thick
at
both

sides

camber

will

be
decreased

by
13

Shims

are
available
in
I

mm
0
039

in
2

mOl
0
079
in
and
4

mOl
0
157

in

thickness
Front
Axle
Front

Suspension

FA243

Fig
FA

25

Adjustingcamberand

cCJ
ter

Notes

a
Do
not
make
difference

between

front

and
rear
shims

in
thickness

beyond
2
mm

0
079
in
on
a

upper

link

spindle

b

Umit
shim
thickness
for

anyone

stack
within
6

nun
0

236
in

c
Do
not

use
shims
for

anyone
stack

more
the
2

sheets

Toe
in

Measure
toe
in

and

adjust
if
neces

sary
For

adjustment
carry
out
the

follOWIng
procedures

Turn

steering
wheel
to

straight

ahead

position
with
front
wheels
in

the
same

position
Then
check

steer

ing
gear
straight
ahead

position

Loosen
lock
nuts

@
left
hand

thread
and

ID
right
hand
thread

and
turn
cross
rod

CD
to

adjust
toe
in

Turn

cross
rod
to
forward

direction
as

shown

by
arrow
and
toe
in
is

reduced
When

cross
rod
is
turned
to

opposite

side
toe
in
is
increased

After

correct
toe
in
is

obtained

tighten
lock
nut

to
8

0
to
10

0

kg
m

S8
to

72
ft
Ib

r
J

r

CD

0

HI

r
I

e

f

FA244

Fig
FA

26

Adju6ting
toe
in

STEERING
ANGLE

Check

steering
angle
and
use
the

follow

ng
procedures
if

necessary

Loosen
lock
nut
at

stopper
bolt
and

adjust
steering
angle
with

stopper
bolt

Mter

obtaining
correct

steering

angle

secure
lock
nut

firmly

FA245

Fig
FA

27

Adjusting
steering
angle

Model
Item

All

models

mOl
in
1
2
to
3
0
079
to

0
118

Toe
in

degree
2

10
to
16

Camber

lOIS
Io

Caster
10SO

4S

I
60IS

Kingpin
inc

inal10n

I
Inner
wheel

360
10

Steering
angle

I
Outer
wheel

310
10

1
The

extreme
front
and

rear
of
the
tire

center

Unladen

2
The
total

angle
of

the
both
tires

FA
12

Front
Axle
Front

Suspension

SERVICE
DATA
AND
SPECIFICATIONS

King
pin

Clearance
limit
between
the

king
pin

and

bushing
mm
in
0
15
0
0059

Bushing
inner
diameter
when
fitted

mm
in
20
010
to
20
035

0
7878
to
0
7888

Clearance
between
the
knuckle

spindle

support
and

spindle
mm
in
less
than

0
1

0
004

Wheel

bearing

Tightening
torque
kg
m
ft
Ib
3
0
to
3
S

22
to
2S

Spindle
nut

returning

angle
40
to
700

Wheel

bearing
rotation

starting
torque

When

both

bearing
and
seal
are

new

kg
em
in
Ib
less
than
IS
13

0

When

readjusted
kg
em
in

lb
less
than
7

6
1

At
the
hub

bolt

When

both

bearing
and
seal
are
new

kg
lb
less
than
2
1
4

6

When

readjusted
kg
lb
less
than
1
0
2
2

Suspension
link

Upper
link

sliding
resistance
kg
m
ft
Ib
less
than
O
S
3

6

Lower
link

sliding
resistance

kg
m
ft
lb
less
than
O
S
3
6

lightening
torque

kg
m
ft
Ib

Brake
hose

connecting
nut
1
9
to
2
S
14

to
18

Wheel

bearing
lock

nu
t
3
0
to
3
5
22
to
2S

Brake
disc
fIXing
bolt
4

2
to
S
O
30

to
36

Knuckle
arm

fixing
bolt
10
3
to
12
1
74

to
88

King
pin
lock
bolt
2
1
to
2
S

IS
to
18

Torque
arm

Arm
end
2
7
to
3
7

20
to
27

Serration
boss
1
8
to
2
6

13
to
19

Lower
link

spindle
nut
74

to
8
0
S4

to
58

Upper
link
screw

bushing
24

to
35

174
to
2S3

Upper
link

spindle
bolt

fIXing
to
bracket
7
to
9
51

to
6S

Cotter

pin
lock
nut
0
8

to
l
l
5
8
to
8
0

Lower
link
screw

bushing
25
to
32

181
to
231

Fulcrum
bolt
3
9
to
S
3
28
to
38

Tension
rod

Lock
nut
1
6
to
2
2
12
to
16

Bracket
bolt
1
6
to
2
2
12

to
16

Shock
absorber

Lock
nut

of
the

upper
end
1
6
to
2
2

12
to
16

Lower
end
3
1
to
4
1

22
to
30

Stabilizer

Bracket
bolt
1
6

to
2
2
12
to
16

Lock
nut
of
the

anchor
bolt
3
1

to
4
1

22
to

30

Bumper
rubber
bolt
0
8
to
l
l
5
8
to
8
0

FA

13

Front
Axle
Front

Suspension

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Condition

Vibration
shock
and

shimmy

ing
of

steering
wheeL

Vehicle

pulls
to
right
or
left
Probable
cause

Vibration
Too

much
backlash
of

steering

gear
wear

of
each

part
of

linkage
and
vibration
of
front

wheels
are
in

many
cases
transmitted
to
the

steering
wheel
This
is

Very
much
noticeable
when

traveJling
over
bad
roads
and
at

higher

speeds

Shock
When

the
front
wheels
are

travelling
over

bumpy
roads
the

play
of
the

steering
linkage
is

transmitted
to
the

steering
wheel
This
is

especially

noticeable
when

travelling
rough
road

Shimmy
Abnormal
vibrations
of
the
front

suspen

sion

group
and
the
whole

steering

linkage
which

occur
when

a

specific
speed
is
attained

Improper
air

pressure
of
tire

Unbalance
and
deformation
of
roadwheel

Unevenly
worn
tire
or

insufficient
tightening

Improperly
adjusted
or

worn
front
wheel

bearing

Faulty
wheel

alignment

Worn
or
loose

suspension
link
screw

bushing

Damaged
idler
arm

Insufficiently

tightened
steering
gear
housing

Worn

steering
linkage

Improper
steering
gear
adjustment
insufficient
back

lash

Faulty
shock
absorber
or
loose
installation

Unbalanced
vehicle

posture

When

driving
with
hands
off
the

steering
wheel

on
a

fiat
road
the
vehicle

gently
swerves
to

right
or

left

Note
A

faulty
rear

suspension
may
also
be
the
cause

of
this
condition
and
therefore
see
also
the

chapter
dealing
with
the
rear

suspension

Improper
air

pressure
of
tire

or
insufficient

tightening

of
wheel
nu
ts

Difference
in

height
of

right
and
left
tire
treads

Incorrect

adjustment
or
abrasion
of
front
wheel

bearing

Weakened
front
torsion

spring
or
deviation
from

standard

specification

Improper
wheel

alignment

Worn

or
loose

suspension
link

screw

bushing

FA
14
Corrective
action

Adjust

Correct
the
unbalance

or
re

place

Replace
or
tighten

Adjust
or

replace

Adjust

Replace

Replace

TIghten

Replace
ball

joint

Adjust

Replace
or

tighten

Adjust

Adjust
or

tighten

Replace
tires

Adjust
or

replace

Replace

Readjust

Replace

Condition

Vehicle

puBes
to

right
or
left

Instability
of
vehicle

Stiff

steeirng
wheel

Excessive

steering
wheel

play

Noise
Front
Axle

Front

Suspension

Probable
cause

Deformed
of

steering

linkage
and

suspension
link

Unbalanced

vehicle
level

Improper
air

pressure
of
tire

Worn
or

loose

suspension
link
screw

bushing

Incorrect
wheel

alignment

Worn
or
deformed

steering

linkage
and

suspension

link

Incorrect

adjustment
of

steering
gear

Deformed
unbalanced
wheel

Check

and
correct
in
the

following
manner

Jack

up
front

wheels
detach
the

steering
gear
and

operate
the

steering
wheel
and

a

If
it
is

light
check

steering
linkage
and

suspension

groups

b
If
it
is

heavy
check

steering

gear
and

steering

column

groups

Improper
air

pressure
of
tire

Insufficient
lubricants
or

mixing
impurities
in

steering

linkage
or

excessively
worn

steering

linkage

Insufficient
lubricant
in

gear
box
or
contaminated

lubricant

Unsmooth

king
pin
damaged
part
Or
insufficient

lubrication

Worn

or

incorrectly
adjusted
wheel

bearing

Worn

damaged

steering
gear
and

bearing

Incorrectly
adjusted

steering
gear

Deformed

steering
linkage

Incorrect
wheel

alignment

Interference
of

steering
column
with
turn

signal

switch

Incorrectly
adjusted
steering
gear

Worn

steering
linkage
idler

arm

Improperly
fitted
of

gear
box

Incorrectly
adjusted
wheel

bearing

Worn
or
loose

suspension
link

screw
bushing

Improper
air

pressure
of
tire

Insufficient

lubricating
oil
and

grease
for

suspension

link
screw

bushing
and

steering
linkage
or
their

breakage

FA

15
Corrective
action

Replace

Correct

the
unbalance

Adjust

Replace

Adjust

Replace

Adjust

Correct

or

replace

Adjust

Replenish
grease
or

replace

the

part

Add

or

replace
gear
oil

Replace

Replace
or

adjust

Replace

Adjust

Replace

Adjust

Adjust

Adjust

Replace

Retighten

Adjust

Replace

Adjust

Replenish
lubricating
oil
and

grease
or

replace

Condition

Noise

Grating
tire
noise

Jumping
of

disc
wheeL

Excessively
or

partially
worn

tire
Front
Axle
Front

Suspension

Probable
cause

Loose

steering
gear
bolts

linkage
and

suspension

groups

Faulty
shock
absorber

Damaged
wheel

bearing

Worn

steering
linkage
and

steering
gear

Worn
of
loose

suspension
link
screw

bushing

Improper
air

pressure
of
lire

Incorrect
wheel

alignment

Deformed
knuckle

spindle
and

suspension
linkage

Rough
driving

Improper
air

pressure
of
tire

Unbalanced
wheels

Faulty
shock
absorber

Worn
tire

Deformed
wheel
rim

Improper
air

pressure
of
tire

Incorrect
wheel

alignment

Damaged
wheel

bearing

Incorrect
brake

adjustment

Improper
tire

shifting
rotation

Rough
and

improper
wiving
manner

FA
16
Corrective
action

Retighten

Replace

Replace

Replace

Replace

Adjust

Adjust

Replace

Avoid

rough
driving

Adjust

Adjust

Replace

Replace

Replace

Adjust

Adjust

Replace

Adjust

Adjust

Drive
more

gently

No
Tool
number

tool

name

ST35380000

King
pin
bush

drift

2

HTS6802000

King

pin
bush

reamer
Front
Axle
Front

Suspension

SPECIAL
SERVICE
TOOL

22
2

dia

0
874

SE234

FA
17
Description

Unit

mOl

in

This
tool
is

used
to
drive
out

king

pin
bushing

This
tool
is

used
to
correct

king
pin
bushing
For

use

on

620

620
Reference

page
or

Figure
No

Page
FA
4

Page
FA
S