torque DATSUN B110 1973 Service Manual PDF

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

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

STEERING

ASSEMBLY
AND

AD
JUSTMENT

Tightening
torque
1
5
to
2
5

kg
m

110
8
to
18
1

ft
lb

II

1
r
I
II

U
J

Standard
shim
O
5mm
0

0197
in

1

Press
in
oil
seal

into
the

housing
Tightening
torque
1
7

to
2
8

kg
m
12
3

to
20
2
ft
Ib

Tightening
torque
2
0

to
3
0

kg
m

14
5
to

21
7
ft
Ib

Clearance

of

adjusting
screw

to
sector
shaft
0
05

mm

0
0020
in

L

Apply
grease
here

I
when

assembling

Pitman
arm

Tightening
torque
14kg
rn

101
ft
Ib

Fig
ST

9
Sectional
view

of
steering
gear

Note

Apply
chassis

grease
to
the
oil
seal

lip
before

assembling

2
Insert

the
column

assembly
into
the

column

jacket

completely
and
install

them
with
worm

bearing
shims

to

the

gear
housing
by
four

flange
fixing
bolts
Tightening

torque
is
1
5
to
2
5

kg
m

10
8
to
18

1

ft
lb

3

If

replacement
of
column

bearing
assembly
is
nece
r

sary
a
new

bearing
assembly
should
be
filled
with

bearing

grease
and
then
cemented
to

the
column

ST
5

I

CHASSIS

4

Adjust
the

preload
of
the
worm

bearing
by
selecting

the
thickness

of
he

worm

bearing
shim
five
kinds
0
05

to
0
20

mm
0
0020
to
0

0079
in
so
that
the
initial

torque
of
the

steering
wheel
is
2
0

to
5
0

kg
cm
27
8

to

694
in
oz
without
sector
shaft

J

Fig
ST
10

Measuring
initial

tunring
torque

Note

Apply
oil
on
the
worm

bearings
The

turning

torque
wheel
in
motion
should
be
100
to
250

gr

13
5
to
8

8
oz
at
20
em
7
874
in
radius
of
the

steering
wheel
As
to
the
standard
number
of
worm

bearing
shims
refer
to
the

following
table

Worm

bearing
shim

Thickness
mm
in

0
05
0
0020

0
07
0
0028

0
08
0
0031

0
10
0
0039

0
20
0
0079

5

Sector
shaft
lash

adjuster
end
clearance
Assemble

lash

adjuster
with

shim
in

the
slot
of
the

sector
shaft
end

Measure

clearance
0
05
mm
0

0020
in

To
obtain
this
clearance

five
various

thickness
shims

are
available
Adjusting
screw
shim

Thickness
mm

in

1
515
to
1
535
0
0596

to
0
0604

1
545

to
1
565
0

0608
to
0
0616

1
575
to
1
595
0
0620
to
0

0628

1

605
to
1

625
0
0632
to
0

0640

1
63510
1
655

0
0644
to
0
0652

Fig
ST
J
J

Checking
lash

adjuster
end
clearance

6
Assemble
the
sector

shaft
into

the

gear
housing

I
Rotate

worm

column

by
hand
unlil

ball
nut
is
in
the

center
of
its
travel
so
that
the

center
tooth

of

sector
shaft

enters
into

the
center

tooth

space
of

ball

nut

2

With

new

gasket
in

place
push
the

sector
shaft

cover
with
sector

shaft
in

place

After

making
sure
that

there
is
some

lash
between
the

rack
and

sector
teeth

tighten
side
cover

bolts

Tightening
torque
is
I
7
to
2

8

kg
m

I2
3
to
20
2

ft

lb

Note

Apply
oil
on
the
sector

shaft

3

Lock
the

adjust
screw
with

the

adjusting
screw
nut

temporarily

4
Move

the
sector
shaft

several
times
from
the

side
of

the

gear
arm
and
make

sure
it

turns

smoothly

5
Connect
the

gear
arm
to

the
sector
shaft
When

fitting
the

gear
arm

the

aligning
marks
on
the

gear
arm

and
sector

shaft
should
be

matched

correctly

ST

6

CHASSIS

The

construction
of
the

steering
column
is

as
such
that

the
lower
shaft

is
fitted
into
the

upper
tube
when
a

compressing
force
is

applied
to
the
lower

shaft

r

I

1
V

f

7
Steering
torque
is
transmitted

by
the
lower
shaft

and

upper
tube
The
lower
shaft

adopts
a

special
shape
a

circle
with
two

straight
cut

edges
and
the

upper
tube

interior
is

tightly
fitted

against
the

lower
shaft
exterior

toward
the

entire
area
In
addition
four

plastic
pins

completely
eliminate

gap
between
the
lower

shaft
exterior

and

upper
tube
interior

I

I
Jacket
lube

2
Shaft

stopper

I
3

I
Column
coUar

4

Column
shaft

When
a

compressing
force
is

applied
the
above

described

plastic
pins
are
cut
and
the
lower

shaft
is

fitted

into

the

upper
tube

When
the
lower

shaft
is

once
fitted

into

the

upper
tube
the

shaft
end

spreads
and
the
lower

shaft
cannot
be
withdrawn
unless
an

extremely
high
load

is

applied
Fig
ST
1
7

Shaft
stopper

Moreover

for
rearward
column
shaft

projection
the

collar
for

steering
lock
installed
on
the
shaft

runs

against

stoppers
in
three

places
on
the

jacket
tube
which
allows

the
column
shaft

fitting
and
thus
reaIWard

projection
is

prevented

Note
In
no
event
should
an

impact
or

large
power
be

applied
to
the
shaft

with
a
hammer
or
other
matter

during
disassembly
or

reassembly
The

column
shaft
lower
end
and

upper
end

are

supported

respectively
by
two

worm

hearings
and
a

colwnn

bushing

JACKET
TUBE

w
1

U
II
I

II

I

r

liJl
I
I
D

I
1

1
Mesh
tube

I
2
Jacket

tube

Fig
ST
18

Jacket
tube

ST
10

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

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

STEERING

SERVICE
DATA
AND

SPECIFICATIONS

Type

Gear
ratio

Steering
wheel
diameter

Oil

capacity

Steering
angle
inner
wheel

outer
wheel

Play
steering
wheel

Standard

thickness
of
worrn

bearing
shims

Initial

turning
torque
of

column

assembly

Clearance
of

adjusting
screw
to

sector

shaft

Length
of

side
rod

Tightening

torque

Steering
wheel
lock

nut

Steering
post
clamp
to

steering

post
bracket
bolls

Collapsible

Steering
column
hole

cover
bolts

Column
to

gear
housing
bolts

Side
cover
to

gear
housing
bolts

Adjusting
screw

lock
nut

Sector
shaft
to

pitman
arm
nut

Gear

housing
to
side
main

bar

bolts
and

nuts

Idler
arm
nut
Recirculating
ball

type

mm
in

L

US

pt
Imp
pt
15
I
I

400
157

0
24

I
2
3
8

430

360

mm
in
20
to
25

0
787
to
0
984

mm
in
0
5
0
0197

kg
em
in
oz
2
0

to
5
0

27
8
to
69
4

mrn
in

mm
in
0
05
0

0020

296
8

11
69

kg
m

ft
lb
3
0

to
3
5
217
to
25
3

kg
m
ft
lb

kg
m
ft
Ib

kg
m

ft
lb

kg
m

ft
lb

kg
m
ft
lb

kg
m
ft
lb

kg
m

ft
lb
0
8

to
1
0
5

8
to
7
2

1
5

to
1
8
10
8

to
13

0
8
to
1
0
5

8
to
7
2

1
5
to
2
5

10
8
to

18
1

I
7
to
2
8

12
3
to
20
2

2
0
to
3
0

14
5

to
21

7

14
101

kg
m
ft
lb

kg
m

ft
lb
1
9
to

2
6

13
7

to
18
8

57

to
6
3

41
2
to
45

6

Idler
arm
to
side
main

bar
bolts
and

nuts

kg
m
ft
Ib

Ball

stud
nuts

kg
m
ft
lb

Side
rod
bar

lock
nuts

kg
m
ft
lb
1
9

to
2
6
13
7

to
18
8

3
0

to
5
0
21
7

to
36
2

8
0

to
10
0
57
8
to
72
3

ST
17

CHASSIS

TROUBLE

DIAGNOSES
AND

CORRECTIONS

Condition

Heavy
steering

Loose

steering

PuU
to
one

side

Steering
shock
Probable
cause

Low
tire

pressure

Incorrect

front
wheel

alignment

Lack
of

lubricant

Firm

sticking
of

the
ball

joint
and
strut

bearing

Improper
adjustment
and

damage
of

steering

gear
housing

Hard

locking
of

column

bearing

Incorrect
front

wheel

bearing
adjustment

Loose

steering
linkage
connections

Loose

steering
gear
housing

mounting

Incorrect

adjustment
of

adjust
nut

Incorrect
tire

pressure

Incorrect
front
wheel

alignment

Incorrect

front
wheel

bearing
adjustment

Unequal
brake

adjustment

Weak
front

suspension
units

Deformation
or

improper
fitting
of
sus

pension

Incorrect
front
wheel

alignment

Loose
front
wheel

bearings

Loose

steering
linkage
connection
and

trans

verse
link

Incorrect

adjustment
of

ball
nut

Wheels

out
of

balance

ST
18
Corrective

action

Inflate

tires
to

recommended

pressure

Adjust
to

specifications

Lubricate

steering
gear
and
ball

joints
or

replace
worn
ball

joint

Replace

Adjust
or

replace
according
to
instructions

Lubricate
with

bearing

grease

Adjust
or

replace
as

required

Inspect
replace
worn

parts
if

any
and

tighten
nuts
to
recommended

torque

Tighten
mounting
bolts

to

proper
torque

Adjust
according
to

instructions

Inflate
to
recommended

pressure

Inspect
and

correct
front
wheel

alignment

Adjust
bearings
according
to

instructions

Adjust
brakes

Replace

Check
correct
or

replace

Inspect
and
correct
front
wheel

alignment

Adjust
bearings

Inspect
replace
worn

parts
if

any
and

tighten
nuts
to

proper
torque

Adjust
steering
gear
according
to

in

structions

Inspect
and
correct
wheel

balance