DATSUN B110 1973 Service Owners Manual

FRONT
AXLE

FRONT
SUSPENSION

Reinstalla

tion

First
check

rubber

parts
such
as
tension

rod
mount

ing
bushing
stabilizer
bar

bushing
etc

for
deterioration

crack
and
other

defective
conditions
and

replace
as

required

2

Reinstall
the
front

axle
and

suspension
assembly
in

reverse

sequence
of

removal

noting
the

following
matters

1

Tighten
the

transverse
link

mounting
bolts
and

stabilizer

bar

body
side
installation

bolt
to
the
raled

tightening
torque
under

the
unladen
vehicle

2
Install

the
stabilizer

bar
so
that

the
white

paint

identification
mark

on
the

stabilizer
bar
is

faced
to
the

left
side

of
the

vehicle

Tighten
the

stabilizer

connecting

rod
with

tightening
torque
from
0
9
to

1
2

kg
m
6
5
to

8

7
ft
lb

through
bushings
The
same

tightening

torque

0

9
to
1
2

kg
m
6
5

to
8
7

ft
Ib
also

applies
the
frame

side

installation
bolt

Two

types
of

transverse
link
side

installation
bolts

length
below
neck
35

mm
1
378
in
and
25

mm
0

984

in
are
used
and
for
both

types
the

tightening

torque
is

2
2

to
3
0

kg
m

15
9
to
217
ft
lb

WH
ITFPAI
Nli

F

OR
IDENjIFICATION

H

Fig
FA

13

Identification
mark
on
stabilizer
I
J
1

Rubber
hush

2

Washer

3

Stabilizer
con

necting
rod

4

Transverse
link

5
Washer

6

Stabilizer
bar

Fig
FA
14

Stabilizer

connecting
rod

bushing
layout

3
Install
the
tension

rod
so
that
LH
mark

on
the

tension
rod

is
faced
to

left
side
of
the
vehicle
and
R

H

mark
is

to

right
as

shown
in

Figure
FA
IS
Make

sure
that

the

body
side

bushing
is
in
the

correct

position
and

tighten
the
tension
rod

securely
with

tightening
torque

from

5
5
to

6
5

kg
m

39
7

to
47
0

ft
lb

ii
j

iY

l

fj

i

f

i

Of
1

0

Fig
FA
15

Mark
on
the
end

of
tension

rod

il

1

Washer

2

Rubber
bush

3
Frame

4

Collar

5
Tension
rod

Fig
FA
16

Tension
rod

body
side

bushing
layout

FA

5

CHASSIS

Tightening

torque
of

front

suspension
cross
member

and

body
is
3
2
to
4
0

kg
m
23

1
to
28

9
ft

Ib

5

Tightening
torque
of
bolt

used
to

secure
the

upper

portion
of
the
strut

assembly
on
the

body
is
1
6
to
2
1

kg
m
11
6
to
15
2ft

lb

FRONT
AXLE

Removal

I

Jack

up
the
vehicle
remove
the
wheel
and

discon

nect
the
brake
hose
at

the
strut
outer

casing
bracket

unit

For
details
see
Removal
of
front
axle
and

suspension

assembly

2
Remove
the
brake

caliper
installation
bolts
and

remove
the

caliper
assembly
Disc

type
brake

3

Remove
the
brake
druOL

Drum

type
brake

4
Remove
the
hub

cap
with
a
flal

headed
screwdriver

or
other

proper
tool
and
hammer
Be

sure
to

tap
lightly

5

Remove
cotter

pin
from

the
wheel

bearing
lock
nut

and
remove

the
lock
nut

6

With

the
wheel

bearing
washer

and
wheel

bearing

installed
on

the
wheel
hub

remove
the

wheel
hub
from

the

spindle

In
the

case
of
a
disc

type
brake
the

wheel
hub

may
be

removed

with
the
disc
rotor
installed

on
the
wheel

hub

Fig
FA
17

Removing
wheel
hub
7
Remove

the
return

spring
and
brake
shoes
remove

brake
disc

assembly
installation
bolts

and
remove
the

brake
disc

assembly
from
the

spindle
Drum

type
brake

Fig
FA
IS

Removing
brake
disc
a
ssembly

8

Remove
baffle

plate
set
screws
and
remove

the

baffle

plate
Disc

type
brake

Fig
FA
19

Removingbaffleplate

9

Utilizing
two

grooves
inside
the
wheel
hub

tap
and

remove

the
wheel

bearing
outer
race
from
the
hub

Fig
FA
20

Removing
wheel

bearing
outer
race

FA
6

FRONT
AXLE
FRONT
SUSPENSION

10
Remove

four
brake
disc

fitting
bolts
and

remove

the
brake

disc
rotor
from
the
wheel
hub

assembly
Disc

type
b
rake
Inspection

1
Grease

seal

I

ycQ

r

A
1
r

j

t

I
I

i
I
When

grease
leakage
is
delected

during

disassembly

replace

2

Replace
the

grease
seal
with
a
new
one
if

worn
or

cracked

Fig
FA
21

Removing
brake
disc
rotor
2
Wheel

bearing

Remove
used

grease
from
the
wheel

bearing
with

solvent
and

inspect
the

bearing
for

operating
condition

from
the

rotation

operating
sound
and

appearance
The

outer

race

may
be
checked

for
the
condition
of

rolling

surface
with
the

race
installed
on
the
wheel
hub

Visual

serviceability
judgement
standard
for
the

wheel

bearing
is
indicated

in
the

following
table

Visual

Serviceability
Judg
ment
Standard
for
Wheel

Bearing

INNER
RACE
SURFACE

OUTER
RACE
FITTED

SURFACE

COLLAR

SURFACE

OUTER
RACE

SURFACE

INNER

RACE
FITTED

ROLLER
ROLLING

SURFACE

SURFACE

SMALL

COLLAR
INNER

RACE

LARGE
COLLAR

ROLLER

SUPPORTER

OUTER
RACE

FA
7

Judgemenr

Flaking

Fig
a
b

Crack

Fig
c
d

Seizure

Scratch

Recess
or
wear

made

by
pressing

or

striking

Fig
e
f

g

Wear

Biting

Fretting
CHASSIS

Unserviceable

May
be

used
when
minor

Rust

should
be

removed
with

1
0

emery
paper
X

6

Race
and
roller

oo

c

u

o
C
U

x

x

x

6

6

6

6

6
x

x

6

6

6

6

6
o

0

0
Cause

Shortened
service
life

due
to

rolling
fatigue
However
this

symptom
occurs
before
the
service

life
The

following
causes
are

considered

Abnormal
load
overload

Improper
handling
or

installing

x
Excessive

tighrening

Excessive

gap
and
a
considerable

shock
received
from
the

outside

Rapid
hear

generation
on
the

race
due
to

creep

Bitten

supporter
with

seizing
rollers

Abnormal
thrust
load

Tapped
with

a
hammer
while

removing

x
In
the
most
cases
seizure
occurs
as

result
of

grown
discoloring
or

flaking

6
Shock
is

given
carelessly
during
installation

Bit

foreign
matter

6
Careless
installation
removal
or
other

rough
handling
scar
due

to

striking

Recess
made

by
foreign
matter

6
Poor
lubricant

quality
or

deteriorated
lubricant

Intrusion
of
dust
Fitted
surface
is
worn

remarkably

Wear
due
to
excessive

preliminary
pressure

6

Excessive

preliminary
pressure
or

faulty
lubrication

6
The
fitted

part
is
discolored
to
brown
ur

black

The
fitted

part
is

discolored
to
brown
or
black

Fretting
corrosion
rust

on
fitted

part
means
fine
relative

slip

on
metal
contact

surface

FA
8

Judgement

Components

Rust

Fig
h

Discoloring
FRONT
AXLE
AND
FRONT
SUSPENSION

x

f
Unserviceable

May
be
used
when
minor

Rust

should
be
removed
with
0

emery

paper

Race

and
roller

00

u

o

o
Ou

u

The
wheel

bearing
is

serviceable
if
discolor

ing
can
be
removed

with
solvent
or

by

polishing

r
c

1
1

Ie

r
r

iJ
a
Inner
race

flaking

d

Cracked
roller

J

I

11

Ji

l
L
i

I

11

J

g
Recess
on
roller
o

0

0

CIl
Cause

Temperature
increase

during
operation
lowers
when
the

bearing

stops
moisture

inside
the

bearing
is

condensed

becoming
fine

drips
and
the

grease
is
moistened

The

bearing
has
been

placed
in
a

highly
moistened

place
for
a

long
period
of
time

Intrusion
of
moisture
chemicals
etc
or
the

bearing
is
touched

with
bare
hand
and
no

rustproof
action
has
been
taken

Slight
discoloring
may
look
like
oxidized

oil
stain

due
to

grease

In

the
most

cases
this
occurs
when

preliminary
pressure
is
too

high

b
Roller

flaking
c

Cracked

inner
race

I

lJ

f

t
j

e

Recess
on
inner
race

f
Recess
on
outer
race

cc

h
Rust

on
outer

race
FADD7

FA
9

CHASSIS

Reinstallation

Reinstall
the

wheel

bearing
in

reverse

sequence
of

removal

2

Install
the

bearing
outer
race

by
the

use
of

a
froot

wheel

bearing
drift

special
tool

ST353
10000

Fig
FA
22

Installing

bearing
outer

race

3
Fill

the
wheel
hub
and

hub

cap
with
multi

purpose

grease
MIL

G2108
or
10924

up
to

the

portion
indicated

by
asterisk
in

Figure
F
A
23

l
I

L

I

I
P

p

r

Fig
FA
23

Greasing

points
of
hub

assembly

4
Fill
the

spaces
between
wheel

bearing
rollers
and

grease
seal

lip
pocket
with

multi

purpose

grease
suf

ficiently

FA

10
Fig
FA
24

Filling
spaces
betweetJ
wheel

bearing
rollers

with

grease

5

Apply
multi

purpose
grease
to
the

spindle
shaft
and

threaded

portions
wheel

bearing
washer
and
wheel

bearing
lock
nut

surfaces

slightly

6
Install
the

wheei

bearing
and

grease
seal

on
the
wheel

hub
and
install

them
on
the

spindle

Note
In

order
to

provide
the

bearing
with
a

proper

prepressure
and
to
extend
the

bearing
service
life

install
the

wheel

bearing
grease
seal
washer
and

lock
nut

carefully
so
that
no
dust
and

foreign

matters
stick

on

grease
applied
to
them

Wheel

bearing

adjustment

I

Tighten
the
wheel

bearing
lock
nut
to
2
2
to
2
4

kg
m

15
9
to

174
ft
lb

tightening
torque

Fig
FA
25

Tightening
wheel

bearing
lock
nut

2

Turn
the
wheel
hub
a
few

turns
both
clockwise
and

counterclockwise
to
settle
down
the

bearing
and

retighten
the

wheel

bearing
lock
nut
to
the
same

tightening

torque

3
Return
the
wheel

bearing
lock
nut
in

range
from
400

to
700
and

coincide
it
with

cotter

pin
hole
on
the

spindle

FRONT
AXLE

FRONT
SUSPENSION

t
t

Fig
FA
26

Returning
wheel

bearing
lock
nut

4
Turn
the
wheel
hub
a
few
turns
both
clockwise
and

counterclockwise

again
to
allow
the

bearing
breaking
in

measure

bearing
rotation

starting
torque

apply
a
cotter

pin
to
secure
the
nut
if
the
measured

starting

torque
is

within
the
rated
value
and
install
the
hub

cap

hub

cap

Wheel

bearing
rotation

starting

torque

9
0

kg
cm
7
8

in
1b

4
0

kg
cm
3
4
7

in
1b

At
the

hub
bolt

1
57

kg
3
461b

New

bearing

0
7

kg
1

54lb
Used

bearing

No
slackness

should
exist

toward
the
axis
direction
New

bearing

Used

bearing

J

o
i
@
j
Be

sure
to
remove
the

brake

pad
Disc

type
brake

Correctly
measure

starting
force
toward

tangential

direction

against
the
hub

bolt

Fig
FA

27

Measuring
wheel

bearing
ro
ation

starting
torque

STRUT
ASSEMBLY

The

strut

assembly

consisting
of
a

strut
outer

casing

with

spindle
forms
a

cylinder
between
the

piston
rod

guide
and

bottom
valve

The

inner

components
are

precisely
assembled
and
no

dirt
and

foreign
matter

intrusions
are

permitted
The

components
such

as

piston
rod

piston
rod

guide
cylinder

and

bottom
valve
are

handled

together
as

an

assembly

When

replacing
them
be

sure
to

replace
the
inner

components
as

an

assembly

1

2

3

4

5

6

7

8

9

10
Front

spring

Bound

bumper

Piston
rod

self

locking
nut

Washer

Strut

mounting
insulator

Strut

mounting
bearing

Oil
seal

Upper
spring
seat

Dust
cover

Strut

assembly

Fig
FA
28
Strut

assembly
components

FA
l1

fl

i
i

I

1

I

I
i

2

4

L

thi7

lrr

I

1

1

Piston
rod

2
Gland

packing

3
Piston
rod

guide

4

Cylinder
CHASSIS

ESSION

5
Rebound
stopper

6
Piston

7
Bottom
valve

Fig
FA
29
Cross
sectional
view

of
strut
assembly

and
shock
absorber

operation
Disassembly

Disassemble
and
reassemble
the
strut
assembly
in
a

clean

place
so
that
the
inner

components
are

protected

from
dirt
and
other

foreign
matters

Jack

up
the
vehicle
remove
the
wheel
and
remove

the
stabilizer
bar
and
tension
rod

from
the
transverse
link

Loosen
the
knuckle
arm

fIxing
bolts
and

separate
the

strut

assembly
from
the

ball
joint
Loosen
the
self

locking

nuts
on
the

upper
portion
of
the
strut
and
remove
the

strut

assembly
See
the
Removal
of
Front
Axle
and

Suspension
Assembly
above
for
details

Fig
FA
JO

Removitlg
ktluckle
arm

fixitlg
bolt

FA
12

FRONT
AXLE
FRONT
SUSPENSION

Fig
FA
31

Removing
front
strut

assembly

2
InstaU
a
strut
attachment

special
tool

ST35650000

00
the
strut
outer

casing
with
a

piece
of
cloth

applied

between
the
strut

assembly
and

outer

casing
and
secure

the

strut

assembly
in
a
vise

J

1

i

kj

ST35650000

W

lL

bi

Fig
FA
32

Securing
strut

assembly
in

a
vise

3
1nstaU

a
coil

spring

compressor
special
tool

ST35650000
on
the

spring
compress
the

spring
up
to

such
an

extent
that

the
strut

mounting
insulator
can
be

readily
turned

by
hand
and
remove
the

piston
rod

self

locking
nut
used
to
hold
down
the

spring

Note
When

loosening
the
self

locking
nut

use
a
screw

driver
as
a
shitter
Moreover
when

loosening
the

self

locking
nut
used
to
hold
down
the

spring

install
a
nut
on
the
bolt
used
to
install
the

strut
on

the

body
and

apply
the
saewdrivOI
to
the
nut
so

that
the
thread
of
the
bolt
is
not

damaged
r
U
jlD

L1

19

71
it

fr

Fig
FA
33

Removing
piston
rod

self
locking
nut

4
Remove
the
strut

mounting
insulator
strut

mounting

bearing
oil
seal

upper
spring
seat
and
dust

cover

5
Remove
the

spring
with
the
coil

spring
compressor

special
tool
ST35650000
installed
on
the

spring
from

the

strut
Remove
the
bound

bamrer
from
the

piston
rod

6

Depress
the

piston
rod
down
to
the
bottom

and

remove
the

gland
packing
with

a

gland

packing
wrench

special
tool
ST35500000

I

ST35500000

Fig
FA
34

Remvoing
gland
packing

Note
Before

removing
the

gland
packing
remove
mud

and
other

foreign
matters
from
the

gland
packing

and
strut

assembly

7
Remove
the
O

ring
from
the

upper
portion
of
the

piston
rod

guide

FA
13

CHASSIS

Fig
FA
35

Removing
O

ring

8

Separate
the

piston
rod

and

cyiinder

assembly

upward
from
the

strut
tube

slowly
and

carefully

M

Fig
FA
36

Removing
piston
rod
and

cylinder
assembly

Note
Do
not

remove
the

piston
rod
and

guide
from
the

cylinder
They
are

precisely
assembled
and
thus

should
be
handled
as
an

assembly

9
Drain

damping
oil

from
the

cylinder
and
strut
outer

casing
into
a

clean
container

Note
This

procedure
should
be

strictly
observed
because

shock

absorber

perlormance
is

directly
affected

by

the

amount
of

damping
oil
When

refilling
measure

amount
of

damping
oil

correctly

FA

14
Inspection

Be

sure
to

replace
the

gland
packing
O

ring
and

damping
oil

with
new

ones
whenever
the
strut

assetnb1y
is

disassembled

2

Wash
all
disassembled

parts
except
for
nonmetal

parts
with

gasoline
or

thinner
and

remove
dirt
and

other

foreign
matters
with

compressed
air

3

Clean
the
nonmetal

parts
with

compressed
air

Strut

outer

casing

Replace
if

deformed

cracked
or

damaged

Spindle

Check
the

spindle
especially
carefully
for

hair
crack
on

the

base
and

damaged
threaded

portion
Replace
the

strut

assembly
if

faulty
condition
exists

Strut

mounting
insulator

Replace
if
rubber

and
metal

joint
is
melted

or
cracked

Replace
the

rubber

parts
if

they
are
deteriorated

Front

spring

Replace
if

weakened
or

cracked

Specifications
for

spring

Free

length
338
t
10
mm

13
3

t
0
394
in

203
t
5
mm

7

99
t
0
1969
in

200

kg
441Ib
Installed

height
load

Strut

mounting

bearing

Replace
if
unusual
sound

occurs

during
rotation
or

slackness
toward

the
axis
direction
is
excessive

When

installing
the

strut

mounting
bearing
be
sure
to

fill
it

with
mul1i

purpose
grease
MIL
G
2108
or

10924