ECU DATSUN B110 1973 Service User Guide

CHASSIS

Mureover
excessive
sleeve

yoke
spline
ta
transmission

main

spline
lash
and

wear
of
both

front
and

rear
universal

joints
will

cause
vibrations

affecting
riding
comfort

REMOVAL

Disconnect

the

flange
yoke
and
the

pinion
flange
by

removing
bolts

at
the
rear
end
of
the

propeller
shaft

In

this
case
draw
out
the
sleeve

yoke
from
the
end

of

transmission

holding
the

disconnected
rear
end

of
the

propeller
shaft

Fig
PD
2

Removing
pmpeller
shaft

Before

disassembling
put
match

mark
on
all

com

ponents
of
shaft
so
that

they
are
reassembled
in
the

former

position
and
that
the

propeller
shaft
balance

may

not
be

deviated

DISASSEMBLY

Primarily
do

not
disassemble
the

propeller
shaft
since

it
has

been
balanced
as
an

assembly

When

disassembly
is

unavoidable
for

necessary
repair

the

following
instructions

apply

1

Remove

snap
rings
from
the

yoke
and
raise
the

propeller
shaft

2
Remove

snap
rings
used
to

secure
the

journal

bearings
in
the

yoke
flange
with
a

pair
of

pliers

If

the

snap
rings
cannot
be

snapped
out
of
the

groove

tap
the
end

of
the

bearing
with
a

wooden
mallet

slightly

This
will
relieve
the

pressure
from
the

snap
ring

3

Slightly
remove
the

journal
bearing
end

until
the

opposite
bearing
is

pushed
out
of
the

yoke
flange
Turn
over
and

secure
the

assembly
in
a
vise
Drive
the

first

spider
bearing
back
out

of
its

lug
by
tapping
the

projected

end

of
the

spider

4
Use
a
brass

drift
with
a

flat
face

5
Wash
and
clean
the

bearing
and

shaft
with

cleaning

solvent

1

W

SNAP
RING

V
I
1Iiff

BEARING

ASSEMBLY

JOURNA

V

Fig
PD
3

Exploded
view

of
universal

joint

INSPECTION

Check
all

parts
and

repair
or

replace
if
defective
When

replacing
the

journal
unit
be
sure
to

replace
as

an

assembly

Replace
if
the

journal
pin
exterior
is

damaged
or

scarred

2

Replace
if
the

yoke
hole
is
worn
or

damaged

3

Replace
if
the

snap
ring
is

damaged
or
deformed

4

Replace
if
the

bearing
needle
roller
is

damaged
or

worn

5

Replace
both
sleeve

yoke
and
main
shaft
if
the
sleeve

yoke
and
main
shaft

spline
are

damaged
or
worn

6

Replace
if
the

propeller
shaft
tube
surface
is
cracked

or
Indented

ASSEMBLY

The

propeller
shaft
is

reassembled
in

reverse

sequence

of

disassembly

Install
the

spider
on
the

yoke
flange

PD
2

PROPELLER
SHAFT
DIFFERENTIAL
CARRIER

Insert
the

journal
into
the

yoke
flange
Tap
the

journal

bearing
into
the

yoke
flange
using
a
brass

drift
smaller

than
the
hole
in
the

yoke
Tap
the
other

bearing
into
the

opposite
end
of
the

yoke
flange
until
the

bearing
is
in
line

with
the

snap
ring
grooves

With

a

pair
of

pliers
install
the

snap
rings
on
both
ends

of
the

yoke
flange

Insert
the

flange
assembly
in
the
sleeve

yoke

Place
the
other

yoke
bearing
into
the

opposite
end
of

the

yoke
and

tap
this

bearing
into
the

yoke
until
the

bearing
is
in
line
with
the

snap
ring
grooves
Install
the

snap
rings
on
both
ends
of
the

yoke
When
all

parts
are

assembled

check
the

spider
and

surroundings
for

tightness

When
the
clearance
is
excessive

adjust
with

over
size

snap
rings
as
follows

Snap
ring
over
size

Thickness
Color

mrn
in
identification

I
46
0
0575
White

I
48
0
0583
Yellow

1
50
0
0591
Red

1
52
0
0598
Green

1
54
0
0606
Blue
1
56
0

0614

1
58
0
0622

SERVICE
DATA
AND

SPECIFICATIONS

Distance
between

joints
mm

in

Tube
outer
diameter
x
thickness

mm
in

Sleeve

yoke
specification

Outer
dia
x
inner
dia
x

pitch

mm
in
Brown

No
mark

I

189
46
8

68

9
x
1
6

2
713
x
0
0630

Involute

spline

20
x
80

x
I

0
787

x
3
150

x

0
0394

Permissible
unbalance

gr
cm
in
oz

rpm
15
0
2
4
000

Allowable
max

swinging

torque
of

spider
journal
10
9

kg
cm
in
lb

Propeller
shaft

run
out
mm
in

Tightening

torque
of

companion
flange
nuts

kg
m
ft
Ib

TROUBLE
DIAGNOSES
AND
CORRECTIONS

Condition
Probable
cause

Noise
and

vibration
Distorted

propeller
shaft

Unbalanced

propeller
shaft
Corrective
action
less
than
0
6
0

024

2
0
to
2
7

I4
to
20

Using
exclusively
an
arbor

press
restraighten

If
distortion
is
excessive

replace
propeller

shaft

Check
for
balance
If
unbalance
exceeds
the

limit

replace
it

Recorrect

Replace
the
sleeve

yoke

Replace
the

journal

Replace
with

correct

snap
ring

Retighten
nuts
to

the

specified
torque
Incorrectly
positioned
flange
yoke

Excessive

spline
lash

Worn
or

damaged

journal

Inconect

snap
rings

Loose
nuts

securing
the

flange
yoke
to
the

companion
flange

PD
3

FRONT
AXLE
FRONT
SUSPENSION

FRONT
AXLE
AND

SUSPENSION
ASSEMBLY

Removal

1
Jack

up
the

vehicle
and

support
the
vehicle
with

stands
See
the
Section
GL

2
Remove
the

hub
nuts
and
remOve
the
wheel

3
Remove
the

splash
board

4
Loosen
the
brake
tube

connecting
nut
remove
the

brake
hose

locking
spring
withdraw
the

plate
and
remOve

the
brake
hose
from
the
strul

assembly
bracket

Fig
FA
3

Detaching
brake
hose

Note
Be
careful
not
to
allow
dust
entering
the
brake

hose

5
Remove
the

stabilizer
from
the
body

Fig
FA
4

Removing
stabilizer
6
Remove
cotter

pin
from
the
side
rod
socket
ball

joint

of
the

steering
remove
the
castle
nut
and
separate
the

side
rod
socket
from
the
knuckle
arm

Fig
F
A
5

Removing
side
socket

from
knuckle
arm

7

Loosen
the
tension

rod
securing
bolts
and
nuts
and

remove
the
tension
rod

Fig
F
A
6

RemotJing
tension
rod

FA
3

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

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

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

FRONT
AXLE

FRONT
SUSPENSION

I

f

f

ij

Reassembly
Fig
FA
37

Greasing
strut

mounting
bearing

Be

careful
not
to

drop
or
scratch

part
since
all

parts
are

precision
finished
When

reassembling
thoroughly
clean

all

component
parts
and
make

sure
that
dirt
and

other

foreign
matters
are

completely
removed

During
reassem

bly
do
not

use
cloth

or
gloves

I

Secure
the
strut
attachment

of
strut
Quter

casing
in
a

vise
Strut

attachment

special
tool
ST35650000

2
Insert

the

piston
rod
and

cylinder
assembly
into

the

strut

outer

casing

3

Fill
the

strut
outer

casing
with
correct
amount

of
oil

1

Fig
FA
38

Pouring
shock
absorber
oil

Note
a

Correctly
measure
amount
of

shock
absorber
oil

to
be

poured
because

the
amount

of
oil

directly

affects

damping

power

280
cc
17
1

cu
in
for
AMPCO

ATSUGI
make

265
cc
16
2
cu
in
for
TOKICO
make

b
Use
Nissan

genuine
oil
for
the
shock
absorber

oil

Nisseki
Shock
Absorber
Oil
A
2
for

Atsugi
make

Tokico

light
Oil
No
1
D
S
for

Tokico
make

FA

15
4
Install
a
rubber

O

ring
on

top
of
the

piston
rod

guide

and
install
the

gland

packing
by
the
use
of
a

gland
packing

guide
special
tool
ST35550000

Apply
multi

purpose
grease
MILG
2108
or

10924

lightly
to

the

lip
portion
indicated

by
asterisk
0

in

Figure
F
A40

ST35550000

1

Fig
FA
39

Installing
gland
packing

a
1
c

I

Fig
FA
40
Cross
sectional
view

of
gland
packing

5

Tighten
the

gland
packing
to
8
0

to
11
0

kg
m
57
8

to

79
5
ft
1b

by
the
use
of

a
gland

packing
wrench

special
tool

ST35500000

ST35500000

Fig
FA
41

Tighrening
gland
packing

CHASSIS

Note
a
Before

tightening
the

gland
packing

pull
the

piston
rod

approximately
90
mm
3
543
in

upward
This
will

provide
the
shock
absorber

system
with
the
best
condition
for

bleeding

b
Gland

packing
tightening

torque
is
rated

at
8
0

to
11
0

kg
m
57
8
to
79
5
ft

Ib
However
arm

length
of
this
tool
is
extended

by
100
mm
3
94

in

as
shown
in
the

following
figure
Thus
when

actually
tightening
the

gland
packing
measure

effective

length
L
of
a

torque
wrench
to
be

used
and
set

up
torque
wrench
value
based
on

the

following
formula

C
10
x
l

I

kg
m

C
70
x
l

I
ft

lbJ

100
l
3
94

where
C
Value
read
on

the
torque
wrench

kg
m

ft
lbIJ

Effective

length
of

torque
wrench

mm
in
l

TOROUE

WRENCH

GLAND

PACKING
WRENCH
I

C

4

F

r
I

L
I

100
mm
3
94
in

6

Conduct
air

bleeding
on
the

shock
absorber

system

1
Stand
the
strut

assembly
vertically
with
the

spindle

side
down
and

pull
the

piston
rod
within
its
stroke
Turn

over
the
strut

assembly
with
the

spindle
side

up
and

depress
the

piston
rod
in

the
full

stroke

2

Repeat
the
above
described

operations
several
times

3
Make
sure
that
there
is
no

feeling
variation
on

pressure
while

depressing
or

pulling
the

piston
rod
Thus

air

bleeding
completes

J

FA
16
Fig
FA
42

ConductingaiT
bleeding
on
the
shock

absorber

system

7

Secure
the

strut
attachment
of

strut

assembly
in
a

vise
Strut
attachment

special
tool

Sn5650000

8
In
order

to
ease

operation
raise
the

piston
rod
to
the

up
most
and

secure
it
in
that

position
by
inserting
bound

bum

per

t

D

I
T

I

c
I
Piston
rod

2
Bound

bumper

3

Strut
outer
case

Fig
FA
43

Raising
piston
rod

9
Place
the

front

spring
on
the
lower

spring
seat

compress
the

spring
with
a

coil

spring
compressor
special

tool
Sn5650000
install
the
dust
cover

upper
spring

seat

oil
seal
strut

mounting
bearing
and
strut

mounting

insulator
in
that
order

CHASSIS

2

Remove
the

wheel
cover

and
nuts
Remove
the
road

wheel

and
b
rake
drum
If
brake

linings
should
hold

the

drum
slacken
off

the
brake
shoe

adjuster
a

few
notches

3

Disconnect
the
brake

pipe

CD
from
the
wheel

cylinder

Plug
up
the

open
end
of

the
brake

pipe
with
a

plastic
cover
or
wooden

peg
to

prevent

foreign
matters

from

entering
the

hydraulic
line

Fig
RA
2

Disconnecting
brake

Une

4

Straighten
the

cotler

pin

@
and
remove
it
Remove

clevis

pin
and

disconnect
the

hand
brake
cable

from
the

hand

brake
lever
Remove
the

hand
brake
return

spring

CID

5
Remove

the
four
bolts

securing
the

brake
back

plate

to
the
axle

housing
Draw

out
the
axle

shaft

assembly

together
with
the
brake
back

plate

using
sliding
hammer

ST36230000
and
rear

axle
stand
ST07640000

ST07640000

I

Fig
RA
3

Removing
axle

shaft
6

If
either

the
axle

shaft
or
rear

wheel

bearing
is
to
be

replaced
remove
the

bearing
locking
collar

by
nicking
it

deeply
with
a
cold

chisel
in

several

places
It

will
then

slide

easily
Be

careful
not
to

damage
the
axle
shaft
with

the

chiscl
Set

the

bearing
remover
ST37130000
and

remove

the
wheel

bearing
The
removed

bearing
collar

should
be

discarded
and

should
not
be

reused

Fig
RA
4

Removing

bearing
collar

Fig
RA
5

Removing
wheel

bearing

7

It
is

recommendable
that

the
oil

seal
be

replaced

whenever

the
rear
axle
shaft
is

replaced
To
remove
the
oil

seal

use
a
suitable
bar

such
as
a
screwdriver

RA
2