1973 DATSUN B110 length

7

Remove
the

brake
disc

installation
bolt
and
remove

the
brake
disc
from
the

spindle

8
Disassemble

the
wheel

cylinders

Inspection

l
Drums

If

they
show

score
excessive
out
of

round

and
so
forth

reconditioning
by
machining
is

required

Brake
drum
inner

diameter

203
2

mm
8
00

in

Drum

inside
out
of
roundness

Below
0

02
mm
0
0008
in

Max

allowable
drum

inner
diameter

204
5

mm
8
051
in

2

Linings
If
brake
shoe

linings
are

incomp1etedly

seated

soiled
or

greasy
or
deteriorated
due

to
excessive

heating
repair
or

replace
them

If
the

thickness
of
the

lining
is
less

than
1
5

mm
0
0591
in

replace
it

Note
a
If
oil
or

grease
is
found
on

linings
clean

thoroughly
with
carbon
tetrachloride
or

gasoline

b
After

installing
and

bonding
lining
grind
the

lining
face

to
a
diameter

equal
to
the
brake
drum

3

Check
the

adjusting
cams

for
their
smooth

operation

4
Return

springs
If

they
are

considerably
weak

replace
them

Return

spring
dimension

Wire
diameter

x
free

length
turns

3
2

x
118

mm
20
5

0
1260
x
4

65
in

20
5

Load
x

length

55

kg
I21
lb
x
127
1

mm
5

00
in

13
4
0
528

ilL
rnv

0
t
6

hl
03

118

4
65

FREE

LENGTH

UNIT
mm

in

Fig
BR
J
7
Return

spring
BRAKE

5

Check
the
brake
disc

for
distortion

6
Check

the
bore
of
the

wheel

cylinder
for
wear

sign

of
rust
and

damage

If
clearance
between

the

cylinder
and
the

piston

exceeds
0
15

mm
0
0059

in

replace
them

Fig
BR
J
8

Sectional
view

of
front
wheel

cylinder

7
When
the

wheel

cylinder
is

overhauled
it
is

recom

mended
that

cups
be

replaced
even
if

apparently
they
are

in

satisfactory
conditions

Cups
must
be

replaced
if

deformed
due
to

damage
crack
corrosion

smelling

andf
or

aging

Reassembly
and
reinstallation

The
rear

brake
is

reassembled
and
reinstalled
in
reverse

sequence
of

disassembly
and
removal
However
note
the

following
matters

When

assembling
the
wheel

cylinder
be

sure
to

apply

rubber

grease
to
the

piston

cup
and

other
rubber

parts

slightly

2
When

installing
the
wheel

cylinder
to
the
brake

disc

apply
brake

grease
to
the

cylinder
disc
and

adjusting

plate
sliding
surfaces
and
to
the
wheel

cylinder
lever

fulcrum

portion

sufficiently
so
that
the
wheel

cylinder

slides

smoothly

BR
9

BRAKE

Removal
and

disassembly

1
Jack

up
the
rear
side
of
the
vehicle

support
with
a

stand
and
remove
the

wheeL

2
Loosen

the
hand
brake
wire
remove

the
clevis

pin

from
the
rear
wheel

cylinder
lever
and

disconnect
the

hand
brake
wire
Remove
the
return

spring
pull
spring

I
I
k
re

I
I
l

nlinder
lever

I

Fig
BR
40

Removing
hand
brake
wire

3
Remove
the
brake
drum
Remove
the
shoe

retainer

and
return

spring
and

remove
the
brake
shoe

assembly

I
I

I
I
Brake
shoes

Shoe
retainer
Return

spring

Adjuster

Fig
BR
41

Rear
drum

brake

4
Disconnect
the
brake
tube

from
the
wheel

cylinder

5

Remove
the
dust
cover

adjusting
shims

and

plates

The
wheel

cylinder
can
then

be
removed

easily

6
Remove

the

adjuster
assembly
7
Remove
the

flange
bolt
from
the
rear

axle

housing

remove
the
rear
axle

shaft
The
brake
disc
can
then
be

removed

together
with
the
rear

axie
shaft
Refer
to

Section
RA

Fig
BR
42

Removing
brake
disc

Inspection

For
the
rear
brake

inspection
the
instructions

for
front

drum
brake

apply

Return

spring
dimensions

Wire
dia
x
free

length

active

turns
Load
x

length

Cylinder

side
2
0
x
119
2
mm
28

0
0787
x
4

69
in

28
10

6

kg
x
132
7

mm

33

4lb
x
5
22
in

Adjuster

side
2
0
x
69
5

mm
20

0
0787
x
2
736
in

20
8
6

kg
x
76
7

mm

I9
6lb
d

020
in

CYLINDER
SIDE

t
2
0
472

r
lif

r
1
5
58
2

283F

119
2

4
69

FREE

LENGTH

ADJUSTER
SIDE

1210
472

11
0
433

J54J

69
5
2

736

FREE
LENGTH
UNIT
mm
in

Fig
BR
43

BR
17

BRAKE

SERVICE
DATA
AND
SPECIFICATIONS

Brake

pedal

Pedal
free

height

Full

stroke
of

pedal
head

Master

cylinder
mm
in

mm
in
141
5
t2
5
57
to
0787

120
4
72

17
5
11

16

Inner

diameter
of
master

cylinder
mm
in

Allowable
maximum
clearance
between

cylinder
and

piston
mm
in

Wheel

cylinder

Inner
diameter
of
wheel
cylinder

Front
drum

disc

Rear

front
disc

Allowable
maximum

clearance
between

cylinder
and

piston

Brake
drum
and
rotor
disc

Drum

brake
inner
diameter

Rotor

disc
outer
diameter

Rotor
thickness

Drum
inside
out
of
roundness

Max

allowable
drum

inner

diameter

Run
out
of
the

rotor

Max

allowable
rotor

thickness

Lining
dimensions

Front
drum
brake

Lining
width

x
thickness
x

length

Total

braking
area
0
13
0

0051

mm
in

mm
in

mm
in

mm
in
20
6

13
16

48
1
1

894

20

6
13

16

1746
11
16

mm
in
0
18
0

0071

mm
in

mm
in

mm
in

mm
in
203
2
8
00

212
5
837

9
5

03740

Below
0
Q2
0

0008

mm
in

mm
in
204
5

8
051

Below
0
03
0

0012

mm
in
8
4
03307

mm
in

cm2

sq
in
35
x
4
8
x
195
1
378
x
0
1890
x
7
68

273
423

BR

2J

Lining
material

Front

disc
brake

Pad
width
x
thickness
x

length

Total

braking
area

Rear
brake

Lining
width
x
thickness
x

length

Total

braking
area

Tightening
torque

Brake

pedal
fulcrum

pin

Master

cylinder
installation
bolt

Brake
tube
installation

flare
nut

Rear
brake
hose

and
connector

installation
nut

Front
wheel

cylinder
installation
bolt

Brake

warning
switch
installation

bolt

Front

brake
disc
installation

bolt

Caliper
assembly
installation
bolt

Rear
brake

adjuster
installation
bolt

Hand

brake
cable

hanger
strap

installation
bolt

Hand
brake
lever
installation
bolt

Rotor
and
hub

installation
bolt
CHASSIS

mm
in

cm2

sq
in

mm
in

cm2

sq
in

kg
m

ft
1b

kg
m

ft
lb

kg
m

ft
lb

kg
m

ft
lb

kg
m

ft
lb

kg
m
ft
lb

kg
m

ft
lb

kg
m

ft
lb

kg
m

ft
lb

kg
m

ft
lb

kg
m

ft
lb

kg
m

ft
Ib
B40
Akebuno

make

42
5
x
10
3
x
53
I
1
673

x
0
406
x
2
091

90
3
14
0

35

x
4
8
x
195
1
378

x
0

1890
x
7

68

273

42
3

2
0
to
3
0

11
6
to
217

2
1
to
2
9
15
2
to

21
0

1
5
to

1
8

l
0
8
to
13
0

1
5

to
1
8
10
8
to
13
0

a
0
5

to
0
7
3

6
to
5
I

b
1
6
to
2
2

I
1
6
to
15
9

0
32
to
0
44

2
31
to
3
18

2
7
to
3
7

19
5
to

26
8

4
6
to
6
1
33
3
to
44

1

1
6
to
2
2
11
6
to
15

9

0
32

to
0
44

2
31
to
3
18

1
0

to
I
4
7

23
to

10
1

44

to
59
31
8
to
42
7

TROUBLE
DIAGNOSES
AND

CORRECTIONS

Condition

Spongy
pedal
Air
in
brake
lines
Probable

cause

Swollen
hose

due
to
deterioration
or

use
of

poor
quality
brake

fluid

BR
24
Corrective
action

Bleed

thoroughly

Replace
hose

and
bleed
the

system

STEERING

The

jacket
tube
is
of
a
mesh

and
a

part
of

which
is

punched
in
rhombus

forming
an

energy

absorbing
part
of

the

collapsible
steering

Upper
and
lower

guide
tubes
two

guide
tubes

joined

with

polyacetal
resin

are
inserted
into

the
mesh
tube
so

STEERING
POST
CLAMP
that
an

energy
generated

by
collision
can
be
absorbed
as

smoothly
as

possible
with
a
low
load
The

guide
tubes

function
as
a

guide
for

mesh
tube
while
the

mesh
tube

is

collapsed
and

improve

bending
rigidity
of
the

entire

jacket
tube

1

1
Plastic

pin

I
2

I
Clamp

1
3

I
Sliding
block

Fig
ST

19

Steering
post
clamp

The

steering
post
clamp
is
secured

on
the

jacket
tube

with
bolt

08110
81210
and

in
addition
two
aluminum

sliding
blocks
are
set

stationarity
on
the
main

body
with

plastic

pins

Note
For
the
bolt
used
to
install
the

steering

post
clamp

on

the

jacket
tube
do
not
use
bolt

having
a

length

exceeding
the
rated

length
or
otherwise
the
bolt

interferes

the
column
shaft

causing
a
trouble

Tightening
torques
are
as

follows

Steering
post
clamp
Jacket
tube

0
8
to
1
0

kg
m
5
8
to
7
2
ft
lb

Steering
post
clamp

Steering

post
bracket

1
5
to
1
8

kg
m
10
8
to
13
0
ft
Ib

Fig
ST
20

Steering
post

clamp
bolts

ST
11

CHASSIS

The

sliding
block
is
secured
on
the

steering

post

bracket
with

bolts

upper
half
of
the

steering
column
is

supported
on
the

bracket
and
thus
the

steering
post

clamp
is
installed

on
the

body

When
a

large

impact
is

applied
from
the

driver
side
the

plastic

pins
are
cut
off
and

leaving
the

sliding
block
in
the

steering
post
bracket
side
the

clamp
proper
is

disengaged

downward

together
with
the

jacket
tube

For

any
force

applied
from
front
direction
of
the

vehicle
the

steering
post
clamp
sliding
block

does
not

move
rearward
This
construction
is
called
One

way
slide

system
and
with
this
construction

projection
of
the

column
shaft
toward

the
driver
is

prevented
completely

COLUMN
BEARING

b

ciJ
STEERING

WHEEL
SIDE

1
Jacket
tube

2
Washer

3

Snap
ring
4
Column
bush

5
ColurtlO
shaft

Fig
ST
21

Column

bearing
Construction
of
the
column
shaft

upper
bearing
is

as

such
that
both
radial
and
thrust
forces

are
absorbed

DISASSEMBLY

First
remove
the

snap
ring
from
the

upper
surface
of

the

column

bushing
Thereafter

general
instructions
for

ordinary
steering
apply

Inspect
and

adjust
the
sector

shaft
worm
ball

nut
unit

adjust
screw
unit

worm

bearing
and
other
relative

parts

in
accordance
with
the
instructions
for

ordinary
type

steering

INSPECTION

Inspect
the

parts
such
as
column

shaft

jacket
tube
etc

which

are
used

to
absorb

energy
in

accordance
with
the

following
instructions

Check
the
column

shaft

plastic
pin
for
breakdown

2
Check
the

steering
lock
collar

for

warping
and
screw

for
breakdown

3
Measure
tolal

length
of
the

jacket
tube

Replace
if

contracted
However
when

tube

collapse
is
within
3
mm

0

1181
in

adjustmenl
by
means
of

bushing
is
also

possible

4

Check
the

steering
post
clamp
sliding
block
for

tightness

5

Check
the
column
shaft
for

bending
When
the

A
and

B

portions
are

supported
the

bending
should
be
less
than

1
0
mm
0
0394
in

at
the
C

portion

I

l

j
B
H
I

I
lO

J
L
5

0
1969

C
J6

A

UNIT
mm
in

Fig
ST
22
Measurement

of
defective
column

shafr

ST
12

STEERING

REASSEMBLY

Adjust
alignment
and
install
the

worm
shaft
and

jacket
tube
on
the

housing

2

Apply
bearing
grease
to
the
interior

sufficiently
and

screw
the

column

bushing
above
the

rated

position

3

Apply
washer
and

apply
the

snap

ring
to

the

groove

correctly
and

securely

4
Return
the

column

bushing
allowing
the

top
surface

of
the

bushing
coming
into

contact
wi
th
the
lower

surface

of
the
washer

adjust
the

clearance
to
less
than
1
0
mm

0
0394
in
and

adjust
the

bushing
position
correctly
so

that
column
shaft

turning
torque
is
the

rated
value

Note
If

the
clearance
is

too
small
the

steering
becomes

heavy

5
Line

up
the

jacket
tube

upper
end
to
the

groove
on

the
outer

circumference
of
the
column

bushing
and

securely
caulk

two

symmetrical
positions
on
the
circum

ference
When
caulked

securely
make
sure
that
inner

diameter
of
the

jacket
tube
is
27
5
mm

dia
1

083
in

dia

and
that

length
of

caulking
is
4
mm
0
1575
in
j
410
1575

27
5
dia
1

0831

V

UNIT
mm
in

Fig
ST
23

Note

Be
careful
not
to

crack
the
tube

or
deform
the

bushing
while

caulking
Moreover
when
caulked

make
sure
that
outer
diameter
of
the

jacket
tube
is

less
than
31
8
mm
dia
1
252
in
dia

6

When
column

bushing
position
is

found
to
be

improper
after

caulking
recaulk
or

adjust
with
the

following
shim

s

Thickness

mm
in

0

05
0
0020

0
10
0
0039

7
Install
the

sector
shaft

adjust
screw
and
side

cover

in

the
manner
identical
to

ordinary
steering

STEERING
LINKAGE

CONTENTS

REMOVAL

DISASSEMBl
Y

INSPECTION
AND
REPAIR

ASSEMBl
Y
ST
14

ST
14

ST
15

ST
15
INSTAllATION

ACCIDENT

COLLISION

ADJUSTMENT
ST
16

ST
16

ST
16

ST
13

CHASSIS

The

following
tightening
torque
of
nuts

shall
be

adopted

Ball
stud

nut

3
0
to
5
0

kg
m

21
7
to

36
2
ft

lb

Gear
arm
nut

14

kg
m

101
ft
lb

Idler
arm

nut

57
to
6
3

kg
m
41
2

to
45
6

ft
lb

2

Assembly
of

the
idler

assembly
is

accomplished
as

follows

I
Apply
soap
water

on
the

outer
circumference
of

bushing

Press
the

bushing
into
the
idler

arm

carefully
until
the

bushing
protrudes
equally
at
the
both

sides

2

Fit
idler

arm

body
in
the
rubber

bushing

Keep
the

idler
arm
center
line
in

parallel
with
the

chassis
center
line

INSTALLATION

Installation
can
be

accomplished
in
the
reverse

order
of

removal

Pay
attention
to

the

following

points

Set
the

length
of
both
side

rods
to

296
8
mm
11

69

in
It
should
be
done

between
the

ball
stud
centers

2

Check
wheel

alignment
and

if

necessary
adjust
it

ACCIDENT
COLLISION

When
accident
collision
occurs

unfortunately
and

the

vehicle

especially
its
front
unit
is

damaged
conduct

inspection
in

accordance
with
the

following
instruction

Inspect
the

steering
system

particularly
carefully

because
it
is
a

very
important
unit
for

driving

I

Check
both
side

steering
angles
for
correct
balance

2

With
the
tires

positioned
at
neutral

steering
wheel
bar
for

correct

position
check
the
l
3

Operate
the

steering
system
and
check

it
for

sliding

noise

4

Check
the

operation
for
smoothness

l
5
Check
the

side
rod
and
cross

rod
for

bending

6
Check
the

gear
arm

for
crack

7
Check

the

gear
housing
tiglltening
bolt
for
slackness

and

installation
boss

for
crack

8

Check
the

sector
shaft
serration

for

twisting

9

Check
the
sector

gear
for

crack

10

Check
the

ball
screw

for

pitting

II

Check
the

column
shaft
for

bending
crack
and

sliding
scar

12

Check
the

jacket
tube
for

bending

13
Check
the

steering
post
clamp
for

existance
of

column
offset

14
Check
the

side
member

gear
housing
installation
unit

for
deformation

IS

Check
the

portion
of

the

steering
post
bracket

installed
on

the

steering
post
clamp
for
correct

installation

AD
JUSTMENT

I

Toe
in

The

procedure
of

toe
in

adjustment
is
outlined
in

section

FRONT
AXLE
AND
FRONT
SUSPENSION

2

Steering
angle

Under
the

specified
load
4

passengers
adjust
the

stopper
bolt
of

the
knuckle
arm
so
that
the
inner
wheel

has
an

angle
of
430

Note

Specified
steering
angle
of
wheel
is
430
for
inner

wheel
and
36005
for
outer

wheel

ST
16