air suspension DATSUN B110 1973 Service Repair Manual

FRONT
AXLE

FRONT
SUSPENSION

ADJUSTMENT

CONTENTS

ADJUSTMENT
DATA

ADJUSTMENT
OF
WHEEL
ALIGNMENT

ADJUSTMENT
OF
VEHICLE
LEVEL
FA
21

FA
22

FA
22

1

Carry
out

wheel

alignment
on
a
flat
surface
with
tire

air

pressure
adjusted
to
the
normal

pressure

2

Thoroughly
check
all

component
parts
of
the

steering
and

suspension
systems
and

repair
or

replace

AD
JUSTMENT
DATA

I

Wheel

alignment
unladen

Sedan

Coupe

Camber
5
to
2005

Caster
20
to
1050

Toe
in
mm
in
4
to

6

0
16
to
0
24

King
pin
inclination
7055

Steering
angle
In
430

Out
360

Tire
Pressure
Tobe

measured
when
tires
are

cold

kgfcm2
psi

6
00
12
4PR
Front
Rear

For
normal

speed

Under

100
km
h

or
60
MPH

For

high
speed

Over
100
km
h

or
60
MPH

15SSR
12

Option
Front
Rear
1
2
1
2

17
17

1
5
1
5
21
21

I

7
I
7
24
24

Front
Rear

5
00
12
4
6
R
ULT

Unloaded
Option

For
normal

speed

Under
100
km
h
or
60

MPH

For

high
speed

Over
100
km
h
or

60
MPH

Loaded

For
normal

speed

Under
100
km
h

or
60
MPH

FA
21
ADJUSTMENT
OF
TOE
IN

ADJUSTMENT
OF

STEERING
ANGLE
FA
22

FA
22

defective

parts
before

starting
the
wheel

alignment

3
The
camber

and
caster

angles
are

preset
and
cannot

be

adjusted
Adjust
the

toe
in

and
vehicle
level

only

Van

Van

Heavy
duty
spring

45
to
1045
45

to
1045

1005
to

2005
40
to
1040

5
to
7
5
to
7

0
20
to
0

28
0

20
to
0
28

7045
7045

430
430

360
360

1
2

1
2
I
7
I
7

1
5
1
5
21
21

1
2
1
5

17
21

1
5
1
8
21
26

1
2
2
5

17
36

FRONT
AXLE

FRONT
SUSPENSION

joint

Transverse
link

mounting
bolt

Tension
rod

Transverse

link
side

Body
side

Stabilizer
bar

Connecting
rod
and
transverse
link

installation
nut

Connecting
rod
and
stabilizer
bar
installation
nut

Stabilizer
bar

and

body
installation
bolt
2
2
to
3
0

15
9
to
21
7

4
0
to
5
0
28
9
to
36
2

2
2

to
3

0
15
9
to
217

5
5

to
6
5

39
7
to
47
0

0

9
to
1
2
6
5
to
8

7

0
9
to
1
2

6
5

to
8
7

0
9
to
1
2

6
5
to
8
7

TROUBLE
DIAGNOSES
AND
CORRECTION

Condition

Vibration
shock
and

shimmying
of

steering
wheel

Vibmtion
Loose
connection

of
the
ser

ration

parts
and
rubber

coupling
parts

defective
rubber

coupling
and
wear

of

each

part
of

linkage
and
vibration

of

front
wheels

are
in

many
cases
trans

mitted
to
the

steering
wheeL
This
is

very

noticeable
when

travelling
over

rough

road

Shock
When
the
front

wheels
are
travel

ling
over
bumpy
roads
the

play
of
the

steering
linkage
is
transmitted

to
the

steering
wheeL
This
is

especially
notice

able
when

travelling
rough
road

Shimmying
Abnormal
vibrations
of

the

front

suspension
group
and
the
whole

steering
linkage
which
occur
when

a

specific
speed
is
attained
Probable
cause

Improper
air

pressure
of
tire

Unbalance
and
deformation
of

road

wheeL

Unevenly
worn
tire

or
insufficient

tightening

Improperly
adjusted
or
worn

front
wheel

bearing

Faulty
wheel

alignment

Worn

fitting
transverse

link

bushings

Insufficiently

tightened
steering
gear

housing

Wear

of

steering
linkage

Worn

suspension
ball
joint

Excessive
backlash
due
to

improper
ad

justment
of

the
retainer

parts

Worn
column

bearing
weakened
column

bearing

spring
or
loose

clamp

FA

25
Corrective
action

Adjust

Correct
the
unbalance

or

replace

Replace
or

tighten

Adjust
or

tighten

Adjust

Replace

Retighten

Replace
defective

parts

Replace

Adjust
correctly

Check
and

repair
cor

rectly

Vehicle
pulls
to

right
or
left

When

driving
with

hands
off
the

steering

wheel

over
a

flat
road
the
vehicle

gently

swerves
to

right
or

left

Note
A
defective
rear

suspension

may

also
be
the
cause
of
this
trouble

and
therefore

see
also
the

chapter

dealing
with
the
rear

suspension

Instability
of
vehicle

Stiff

steering
wheel

checking
up
procedure

Jack

up
front
wheels

detach
the

steering

gear
and

operate
the

steering
wheel
and

If
it
is

light
check

steering
linkage
and

suspension
groups

If
it
is

heavy
check

steering
gear
and

steering
colunm

groups
CHASSIS

Malfunction
of
shock
absorber
inside
the

strut
or
loose
installation
bolts

Unbalance
of
vehicle

level

Improper
air

pressure
of
tire
or

insuf

ficient

tightening
of

wheel
nuts

Difference
in

height
of

right
and
left
tire

treads

Incorrect

adjustment
or

abrasion
of
front

wheel

bearing

Collapsed
or
twisted
front

spring

Incorrect
wheel

alignment

Incorrect
brake

adjustment
binding

Worn

rubber

bushings
for
transverse
link

and
tension
rod

Deformed

steering
linkage
and

suspension

link

Unbalanced
vehicle

level

Improper
air

pressure
of
tire

Worn

rubber

bushings
for

transverse
link

and
tension

rod

Incorrect
wheel

alignment

Worn
or
deformed

steering
linkage
and

suspension
link

Incorrect

adjustment
of

steering
gear

Deformed
unbalanced
wheel

Improper
air

pressure
of
tire

Insufficient
lubricants
or

mixing
im

purities
in

steering
linkage
or

excessively

worn

steering
linkage

Stiff
or

damaged
suspension
ball

joint
or

lack
of

grease

Worn
or

incorrectly
adjusted
wheel

bearing

Worn

damaged

steering
gear
and

bearing

FA

26
Replace
or

retighten

Correct
the
unbalance

Adjust
or

tighten

Replace
tires

Adjust
or

replace

Replace

Adjust

Adjust

Replace

Replace

Correct
the

unbalance

Adjust

Adjust

Adjust

Replace

Adjust

Correct
or

replace

Adjust

Repl
nish

grease
or

re

place
the

part

Replace

Replace
or

adjust

Replace

FRONT
AXLE
FRONT

SUSPENSION

Incorrectly
adjusted

steering
gear

Deformed

steering
linkage

Incorrect
wheel

alignment

Damaged
strut

upper
end

bearing

Damaged
or
stiff

piston
or

shock
absorber

rod

in
the
strut

Interference
of

steering
column
with
turn

signal
switch

Excessive

steering
wheel

play

Noises

Grating
tire
noise
Incorrectly
adjusted

steering
gear
housing

Worn

steering
linkage

Improperly
fitted

gear
box

Incorrectly
adjusted
wheel

bearing

Worn

transverse
link
and
tension

rod

fitting
bushings

Improper
air

pressure
of
tire

Insufficient

lubricating
oil
and

grease
for

suspension
ball

joint
and

steering
linkage

or
their

breakage

Loose

steering
gear
bolts

linkage
and

suspension

groups

Defective

shock
absorber

inside
the

strut

Defective
wheel

bearing

Worn

steering

linkage

Worn

transverse
link

and
tension
rod

fitting
bushings

Broken

collapsed
coil

spring

Loose
strut

mounting
insulator

tightening

nuts

Improper
air

pressure
of
tire

Incorrect
wheel

alignment

Deformed
knuckle

spindle
and

suspension

linkage

FA
27
Adjust

Replace

Adjust

Replace

Replace

Adjust

Adjust

Replace

Retighlen

Adjust

Replace

Adjust

Replenish
lubrication

oil
and

grease
or

re

place

Retighten

Replace

Replace

Replace

Replace

Replace

Retighten

Adjust

Adjust

Replace

CHASSIS

4

Tighten
he
brake

back

plate
to

housing
nunge
bults

and

nuts
with

a

torque
of
1
5
to
2
0

kg
m
10
8

to
145

ft

Ibl
Check
the
rear

axle
shaft
end

playas
shown
in

Figure
RA
9
The
end

plav
should
be
less
than
U
I
nun

0
0039
in

Fig
RA
9

Checking
axle

shaft
end

play

REAR
SUSPENSION

CONTENTS

DESCRIPTION

REAR
SPRING

Removal

I

nspection
and
repair
RA

5

RA
5

RA
5

RA

5
I
n5tallatlon

REAR
SHOCK
ABSORBER

Replacement

Inspection
RA
6

RA
6

RA
6

RA
6

0
tr

1
1

@

5

@
7

I
Leaf

spring
5

Axle
case
8
Hand
brake
wire

2
Front

mounting
6

Gear
carrier
9
Brake
hose

3
Shackle
7

Torque
arrester
10

Bound

bumper

4
Shock

absorber

Fig
RA
10
Rear

suspension

RA
4

REAR
AXLE
REAR

SUSPENSION

DESCRIPTION

Rear

suspension
consists
of
semi
elliptic

leaf

springs

telescopic
hydraulic
shock
absorbers
and
rubber

bumpers

The
rear

spring
center

pin
is

off
set
110
mm
4
33
in

toward
the
front
from

the
center
of
the

spring
This
is

done
to
reduce

spring
wind

up
and
to
decrease
the

arc

while
the
rear
wheel

swings
through
Thereby
minimizing

the

possibility
of
the
rear

suspension
effecting
vehicle

stability

Iso

clamp
devices
are
used
for

attaching
the

axle

housing
to
the

spring

The
leaf

springs
shock
absorbers
and
rear
axle

housing

are
mounted
on
rubber

bushings
at
each
end
to
minimize

noise
and
vibration
of
the
transmission
to
the
car

body

and

passenger

compartment

REAR
SPRING

Removal

1
Jack

up
the

center
of
the
rear
axle
until
the
wheels

are
clear
from
the

ground
Support
the
rear

end
of
the

frame
on
stands

Fig
RA
l1
Rear

spring
U

bo
ts

2
Disconnect

the
shock

absorber
bottom
end
from
the

spring
lower

seat

3

Support
the
rear
axle

housing
with
a

jack

4
Loosen
the
lock

nuts
of
the

rear

spring
U

bolt
and

remove
the
bolts

spring
seat

location

plates
and
seat

pads
5
Loosen
the
three

fixing
nuts

securing
the

front

bracket
remove
the

front
bracket
from
the

leaf

spring

front

eye
and
car

body
and
lower
the
rear

spring

Fig
RA
12
Rear

spring
front
bracket

6
Remove

upper
and
lower
nuts
of
the

rear
shackle

Fig
RA
13
Shackle

Inspection
and

repair

1
Examine
the

spring
leaves
for
fractures
or

cracks

2
Test

spring
and

compare
with
the

specifications
given

in

Service
Data

and

Specifications
If
the

spring
is

found

defective

replace
with
a

new

assembly

3
Check
the

front

pin
shackle
U
bolts
and

spring
seat

RA
5

CHASSIS

1

I
Front
3

way
connector

I
2

I
Brake

master

cylinder

I

Fig
BR
8
Front
3

way
connector

2
The
brake

hose
rubber
hose
is

used

at
the
front

strut

assembly
unit
and

fear
axle

housing
unit
Remove

the

flare
nut
from
the

brake
tube
and

remove
the
hose

I
r

I

I

l
j

u
l

I

J

II

V

r
1

0

l
I

l

I

I
Brake
hose

I
3

I
Rear
axle

hOUSing

2
Rear
3

way
connector

Fig
BR

9
Brake
hose
and
3

way
connector
around

rear
ax
Ie
housi

g

1
1
Brake
hose

I
2

I
Strut

assembly

Fig
BR
J
0
Brake
hose

around

front
strut

assembly
Inspection

L

Thoroughly
clean
the
brake
tube

and
brake
hose
and

check
them
for

collapsing
crack
scar
and
rust
brake

tube
and
for
weakness

expansion
wear
etc
brake

hose

Replace
if
defective

2
Remove

mud
and
dust

from
the

brake
tube

clip
unit

and
check
the

clip
If
the

clip
covering
vinyl
coating
is

torn

repair

Reinstallation

1
Provide

a
sufficient

space
between
the
brake
lines

and
other

parts
so
that
the
brake
lines

are
not
interfered

with
other

parts
due
to
vibration

during
driving

SHORT
NAIL

DOUBLECLI
S

t

LONG
NAI
L

BRAKE
TUBE

PANEL

CLIP

COATED

WITH

VINYL
BRAKE

TUBE

Fig
BR
l1
Brake

tube
installation

clip

2
When
the
brake
hose

is
disconnected
from
the
3

way

connector
on
the
rear
axle

housing
once
be
sure
to

replace
the

copper
packing
with
a
new
one

3
Be
careful
not
to

warp
or

twist
the
brake
hose
and

particularly
be
careful
not
to

interfere
the
brake
hose
with

tires

and

suspension
components

4

Do
not

tighten
the
brake
line
installation
flare
nut

forcedly
or

excessively

BR
6

WHEEL
AND
TIRE

toe
out
condition
tires

scrape
the
tread

rubber
off
The

wear

of
tread

appears
feathered

edge

Center

This
wear
is

caused

by
overinllation
of
the

tire
The

inllation

pressure
must
be

kept
within
the

specified
limit

Shoulder

The
wear

may
be

caused

by
underinflation
incorrect

wheel
camber
or
continuous

high

speed
driving
on

curves

n

general
the
former
two

are
common
Because
under

I

I

I
I

1

1111

I

r

r
m

1
J
11

tHlla

tJ
I

1
1
1
I

1
Ull

Toe

in
aT
toe

au
t
wear

l
f

I

II

I

I

I

I

Ill

Ill

Underinflation
wear
I

11
01

DIIII

II
1

11111

NIII

13111
inflation
wear

appears
on

both
sides
of
tread
and
on

the

other
hand

camber
wear

causes

only
one
tread

side
For

cornering
tread
wear
the
driver
must

operate
car

slowing

down
on
curves

Uneven

Uneven

wear
is
caused

by
incorrect
camber

or
caster

malfunctioning
suspension
unbalanced
wheel
out
of

round
brake

drum
or
other

mechanical

conditions
To

repair
this
abnormal
wear

correct
the
above

defective

parts

Ii

I

I

I
I

1

i
f

I

I
I

I

I

III

I
I
11

DlIIn
ilia

pml
H

IlLl

11111

Overinflation
wear

1D1I1
d

II

1I111

II
j

J

1
51

I

I

I

1

il
I

I
II

l
f
I
11
11111

I
IIIII

i
1

iI

1111111

Uneven
wear
f

I

I
u

WT004

Fig
WT
1
Abnonnal

tire
wear

Radial

tire

Tires
of
radial

ply
construction

will
revolve
with
less

camber
thrust
force
and
with

greater

cornering
power
on

turns
This
tends
to
cause
local
or

rapid
wear
on
the

treads

with
excessive

toe
in

Exercise

special
care
for
front

wheel

alignment

during
the
life
of
tires
Note
a
Radial

ply
tires

should
not
be
mixed
with

ordinary
tires

since
their
characteristics
differ
from

those
of

ordinary
tires

b
The
same
brand
radial

ply
tires
should
be

installed
on
all
wheels

c

The
tubes

designed
for
radial
tire
should
be
used

exclusively

d

Snow
chain
should
not
be
fitted
because
of

damaging
side
wall

WT3

WHEEL
AND
TIRE

Note
In

replacing
tire
take
extra

care
not
to

damage
tire

bead
rim

flange
and
bead
seat

Do
not

use
tire
irons
to
force
beads

away
from

wheel
rim

flange
that
is

always
use
tire

replace

ment
device
whenever
tire
is
removed

WT005
2
Discard
when

any
of
the

following
trouble
occurs

I
Broken
or

damaged
bead
wire

2

Ply
or
tread

separation

3
Worn
febric

damage
on
tubeless
tire

4
Cracked
or

damaged
side
wall

etc

Fig
WT
4

Wheel
rim
run
out
heck

points

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Condition
Probable
cause
Corrective
action

Wheel
wobbles

Improper
t
re

pressure
Measure
and

adjust
correctly

Damaged
tire

9f
distorted
wheel
rim

Repair
or

replace

UnbalanceiLwheel
Balance

correctly

Loose

wheel
nuts

Retighten

Worn

qr

damaged
wheel

bearing
or
excessive

play
of
wheel

bearing
Correct

play
or

replace

Improper
front
wheel

alignment
Adjust

Worn
or

damaged
ball

joint
and
link

bushing
Replace

Excessive

steering
linkage
play
or
worn

steering
lin

age
Adjust
or

replace

Loose
stcerin

linkage
connection
Retighten
the
nuts
with
the
rated

lightening

torque
or

replace
worn

parts
if

any

Broken

suspension
spring
Replace

Defective
shock
absorber
Replace

Unevenly
or

excessively
worn

tire
Improper
tire
rotation
Conduct
tire
rotation

periodically

Standard

every
10

000
km
6

000
miies

Improper
tire

pressure
Measure
and

adjust
correctly

Unbalanced
wheel
Balance
or

replace

Improperly

adjusled
brake

Readjust
correctly

WT5

Tire
squeals

DATE
CHASSIS

Improper
wheel

alignment

Excessively
distorted
or

improperly
installed

suspension
link

High
speed
on
curves

Sudden
start
and

improper
speeding
due
to

rapid
acceleration

or

improper
brake

appli

cation

Improper
tire

pressure

Improper
front
wheel

alignment

Distorted

knuckle
or

suspension
link
Realign

Repair
correctly
or

replace
if

necessary
or

reinstall

correctly

Reduce

speed

Follow
correct
and

proper
driving
manner

Measure
and

adjust
correctly

Realign
correctly

Repair
or

replace
if

necessary

SERVICE
JOURNAL

OR
BULLETIN

REFERENCE

JOURNAL
or

BULLETIN

No
PAGE
No

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WT
6
SUBJECT