1979 DATSUN 210 ECU

Steering
System

6
Reriiovebolt

Securing
worm
shaft

to
rubber

coupling

7
Remove
nut

and
lock

washer

se

curing
gear
arm
to
sector
shaft

Using

Steering
Gear
Arm

Puller

512902000
I

remove

steering
gear

arm

from
sector
shaft

Gear

housinif
I

0

Cearar
8
Remove

bolts

securing
steering

gear
housing
to

body
side
member

and
withdraw

steering
gear
housing

from

engine
compartment

n

ST289

Fig
ST

IB

Removing
Ste

i1l
Gear

Arm

Disassembly

f

Tightening
torque
of
bolts

and
nuts

kg
m
ft

Ib

@
2
0
to
3

0
14
to

22

@
2

0
to
3
0

14
to

22

@
7

0
to
8
0
51

to
58

@
2

0
to
3

0
14
to
22

ST864
1
Lock
nut

2
Filler

plug

3

Adjusting
shim

4

Adjusting
screw

5
Sector

shaft

bushing

6

Steering
gearhou
ing

7
Oil
seal

8
BaU

nut
9
Worm

shaft

10
Wonn

bearing

11
Wann

bearing
adjUsting

shim

12
Rear

cover

13
Oil
seal

14
Sector
shaft

Fig
ST

19

Steeri1l
Gear

SHi
Thoroughly
drail

steCring
gear
oil

by

removing
filler

plug
Place
steer

ing
gear
in

a
vise
with

Steering
Gear

Attachment
KV48100300
in

place

2

Loosen
lock
nut
and

remove
see

tor
shaft
cover

attaching
bolts
After

removing
sector
shaft
with
cover
re

move
cover
from
sector
shaft

by
turn

ing
screw
clockwise

1

Filler

plug

2
Lock

nut

3
Sector

shaft
cover

attaching

bolts

Fig
ST
20

Mounti1l

Steeri1l
Gear

in
a
Vue

3
Remove

rear
cover

securing
bolts

and
detach

rear
cover

4
Remove

bearing
adjusting

shim

s
and

steering
worm

assembly

ST
426

Fig
ST
21

Drawi1l
Steeri1l
Worm

A
em

b
y

Fig
ST
23
Mea

uring
Initial

Turning

Torque

6
After
correct
worm

bearing
pre

load
has
been

obtained
remove
rear

cover
and

apply
sealant
on

housing

and

cover
sides
of
shims

Reinstall
rear
cover
with
shims
at

tached
under
cover

fJ
Tightening

torque

2
0

to
3
0

kg
m

14
to
22
fHbl

Adjustment
of

sector
shaft

and

adjusting
screw

7

Insert

adjusting
screw
with

adjust

ing
shUn

into
T

shaped
groove
at
the

sector
aft

head
and

adjust
the

end

play
between

sector
shaft

and

adjust

ing
screw

End

play
betwean
sector

shaft
and

IKljusting
screw

0

01
to
0

03
mm

0
0004

to
0
0012
in

Available
sector
shaft

adjusting

screw
shims

No
Thickness
mm
in

2
1
575

to
1

600

0

0620
to
0

0630

1

550
to
1
575

0
0610

to
0

0620

1
525
to
1

550

0

0600
to
0

0610

1
500
to
1

525

0
0591
to
0

0600
3

4

Note
When

installing

adjUsting
shim

pay
attention
to

which
face
is

upper
and
which

is
lower
Steering
System

Adjusting
shilli

Upper
1

sector

l

cover
side

ST258

Fig
ST

24

Measuri
End
l
UJy

tween
Sector

Shaft
and

AeVusting
Screw

8

Rotate
wonn
shaft

by
hand
until

ball
nut
is
in
the
center
of
travel
then

install

sector
shaft

together
with
ad

justing
screw
in

gear
housing
ensuring

that
center

gear
of
sector
shaft

engages

with
the
center

gear
of
the
ball
nut

Note
Be

careful
not
to

damage
seal

ing
lips
of
oil
seal

during
thi5

operation

9

Install
sector
shaft
cover
to

gear

chousing
Be
sure
to

apply
sealant
to

each
face
of
sector
shaft
cover

packing

when

installing
cover

By
turning
adjusting
screw
counter

clockwise
attach
sector
shaft
cover
to

gear
housing
and
then

temporarily

secure
it

with
its

futing
bolts

10
Pull
sector
shaft
toward
cover

approxUnately
2

to
3
mm
0
08
to

0
12
in

by
turning

adjusting
screw

counterclockwise
and

tighten
sector

shaft
cover

fIXing
bolts

fJ

Tightening
torque

Sector
shaft
co
er
bolts

2
0

to
3
0

kg
m

14

to
22
ft
Ib

II

Push
sector

shaft

against
ball
nut

gear
by

gradually
turning

adjusting

screw
clockwise
until
sector
shaft

gear

lightly
meshes
with

ball
nut

gear
and

then

temporarily
secure

adjusting

screw
with
lock
nut

12

Install

gear
arm
to
sector

shaft

and
move
sector
shaft
several
times

from

the
side
of

gear
ann

and
make

sure

that
it

turns

smoothly

SHl
13

Adjust
backIashat
neutral

posic

tion
of

steering
gear
by

turning
adjust

iog
screw
in

or
out
so
that

movement

of

gear
arm

top
end
is

less
than

specified
value

Backlash
at

gear
arm

top
end

Less
than

0
1

mm
0
004
in

ST
427

Fig
ST
25

Measuri
Bocklash

14

Then

tighten
lock
nut
after

mov

ing
sector

shaft
several
tUnes

fJ

Tightening
torqu

Lock
nut

2
0
to

3
0

kg
m

14

to
22
ft

Ibl

ST
428

Fig
ST
26

Tighteni
Loek

Nut

15
Measure
initial

turning
torque
of

wonn
shaft

assembly

At
center

portion

4
0
to
9
0

kt
c
m

3
5

to
7
8
in
lbl

Maximum

turning
torque

Less
than

11
0

kg
c
m
9
5
in
Ib

If
found

out
of
above

turning

torque

readjust
adjusting
screw
uniil

correct

turning

torque
is
obtained

16

Pour
recommended

gear
oil
into

assembly

through
fdler
hole
and
install

filler

plug

Specified
rofill

capaeity

GearcaS8

0
28
liter

US

pt
Imp
ptl

Inatallatlon

Install

steering
gear
in
the
reverse

order
of
removal

Observe
the

following
instructions

e

Position
steering
gear
and
rubber

coupling
in

place
then
install
and
Steering
System

tighten
bolts

securing
steering
gear

housing
to

body
side

member

GJ
Tightening
torque

Steering
gear
hou

ing
to

body
id
member

7
0

to
8
0

ku
m

51
to
58
ft
Ibl

Rubber

coupling
to
worm
haft

4
0
to
5
0

kg
m

29
to

36
ft

Ibl

Note

a

Align
the

groove
in
wonn
haft

STEERING
LINKAGE

@

@

@

lID
I

O

@

6
1
Side
rod

outer
socket

2
Side
rod

3
Side
rod
inner

socket

4
Id
ler
arm

5

Steering
gear
arm

6
Cross
rod

@
with
the
bolt
hole
in
rubberoou

piing
flange
yoke
and

press
cou

pling
bolt

through
the
undercut

section
of
wonn
sheft

b

Align
four

grooves
of

gear
ann

serrations
with
four

projections
of

sector
haft
serrations
and
install

and

tighten
lock
washer
end
nut

GJ
Tightening
torque

Gelr

arm
nut

13
to
15

kg
m

94
to

108
ft

Ibl

Tightening
torque
afbalt

and
nuts

kg
m
ft
lb

@
3
0
to
7

0
22
to

51

@
8
0
to
10
0
58
to
72

@
3

0
to
7
0
22
to
51

@
5
5

to
7
0
40
to
51

@
13
to

15
94
to
108

Iti
3
0
to
7
0
22

to
51

@
7

0
to
8
0
51

to
58

@
@

@

@

ST
9
ST773

Fig
ST
27
St
ring
Linka

REMOVAL

I
Jack

up
the
front
of
car
and

support
it

on
the

safety
stands

2
Remove
cotter

pins
and
nuts

fastening
side
rod
ball

studs
to
knuckle

arms

3
To

detach
side
rod
ball

studs

from

knuckle
arms

iJuert
Steering
BaII

Joint

Remover
HT72520000
between

them

and

separate
them

ST675

Fig
ST
28

Remouing
Ball
Joint

4

Remove
ball

studs
of
cross
rod

from

gear
arm

and
idler
arm
from

cross
rod
in
the

same
manner

as

descnbed
in

step
3
above

Cross
rod

and
side
rods
can
be

removed

as
an

assembly

5
Remove

idler

assembly
from
side

member

by

taking
off
two

fixing
bolts

Note

Steering

linkage
assembly
can

be
removed
from

CIC

by

rem
mng

gear
arm
from
sector

shaft
with

Steering
Gear

Arm
Puller

ST2902000

I
and

by

removing
idler

assembly
from
side
member

INSTAllATION

I

Install

steering

linkage
in
the

re

verse
order
of

removal

iJJ
Tightening
torque

Il8l1ltud

3
0
to

7
0

q
m

122
to
51
ft

Ibl

Idler

body
to
frame

bolts

7
0

to
8

0

q
m

151
to

58
ft

Ibl

2
Check
wheel

alignment
and
if

necessary
adjust
Refer
to
SectionF
A

DISASSEMBLY

I

Disconnect
both

side
rods
from

the

cross
rod

following
the

procedure
Steering
System

for
removal
of
the
side
rod
ball

joints

at
knuckle
arm
sides

2

Remove
the
idler

arm
nut
and

disassemble
idler

assembly

ASSEMBLY
AND

ADJUSTMENT

A
mble
st

rwg
linkage
in
the

reverse
order
of

disassembly

observing

the

following
instrucitons

Ban

Joint

Before

installing
a

new
dus
cover

be
sure
to

pack
with
the
recommended

grease

t
J
Tightening
torque

Ballltud

3
0

to
7
0

kg
m
122

to
51
ft
lbl

Note

a
When

tightening
ball
stud
be
care

ful
not
to

aBow

grease
to

get
On
its

tapered
section

b

Tighten
nut
to
the

specified
torque

and

align
the
cotter

pin
holes
in
the

tightening
direction

c
Be

sure
to
insert
new
cotter

pin
and

bend

it

securely

Idl
r
rm
mbl

Assembly
of
the
idler

arm
assembly

is

accomplished
as
follows

I

Apply
recommended

grease
to

the

sliding

portion
of
idler
arm
and

rubber

bushing

2

Apply
soapy
water

on
the

outer

circumference
of

bushing

Pre
ss
the

bushing
into

idler

body

carefully
until
the
bushin

protrudes

iJJ
Tightening

torque

Idler
nut

5
5
to
7
0

q
m

4010
51
ft

Ib

Note
When

installing
rubber

bushing

use
care
not
to
allow

grease
or

oil

Hj1

ST

10
to

get
on
its
onter
surface

ST676

Fig
ST
29
Idler
Arm

Cro
rod
nd
Id
rod

I
When

side
rod

sockets
and
side

rod

adjusting
tube

are

separated

adjust
side
rod

length
correctly

Adjustment
should
be
done
be

tween
ball
stud
centers

Standard
distance
AU
between

inner
and
outer
ballltud

conte

315
mm
12
40
in

Note

a
Standard
distance
A

i
an

ap

proximale
value
to

adjust
toe

in

descnbed
in
Section
FA

Maire
sure
tbat

specified
toe
in

is

obtained
with
O
OSs
and
side
rods

installed

on
car

ReadjUst
if

Specified
toe

in
is

not

obtained

b
Be

sure
to
screw

adjusting
bar
in

clret

evenly

c
Make

sure
that

adjusting
bar
is

screwed
in
socket
20
mm
0
79
in

or

more

I

lf

A

ST
77

Fig
ST
30
Standard
Side
Rod

Length

Engine
Control
Fuel
Exhaust

SYlltems

ENGINE
CONTROL
SYSTEM

ACCELERATOR
CONTROL
SYSTEM

@

s

1

Acce
i
ator

pedal

2
Accelerator

pedal
arm

3

Stopper
bolt

4

Stopper
lock
nut

S

Kickdown
switch
striker

Automatic
transmission

models

only

6
Accelerator
wire
outer
case

1
Accelerator
wire
socket

8
Accelerator

inner
wire

9

Accelerator

pedal
bracket

and
return

spring

10
Kickdown
switch

11
Accelerator

pedal
stopper
rubber

12
Accelerator

pedal
stopper
bracket

H

109
mm
4
29
in

REMOVAL
AND

INSTALLATION

Accelerator
wI
e

I
Disconnect
accelerator
wire
from

carburetor

2
Remove

snap
pin
from

tip
of

pedal
arm
then
disconnect
wire

from

accelerator

pedal
arm

3
Remove

accelerator

pedal

stopper

bracket
from
dash

panel
and

pull
into

driver

compartment

4

To
install
reverse
order
of
Ie

moval

Accelerator

pedal
a

embly

I

Disconnect
accelerator
wire
at

tip

of
accelerator

pedal
arm

2

Remove
screws

securing
accel

erator

pedal
bracket

to

body

3

Remove
accelerator

pedal
from

dash

panel

4

To
install

reverse
order
of
re

moval
I
IJ

1

II

I

V

J

v

I

@

INSPECTION

I
Check

accelerator

pedal
return

spring
for
rust

fatigue
or

damage

Replace
if

necessary

2

Check

accelerator
wire

cases

socket
and

fastening
locations
for
rust

damage
or
looseness

Repair
or

replace

if

necessary

ADJUSTMENT

Accelerator
IInka
e

I
Connect
accelerator
wire
to
car

buretor
and
accelerator

pedal
arm

2

Adjust
dilnension
H
with

stop

per
bolt

as
shown
in

Fig
FE
I

Dimension
H

109mm
4
29
in

FE
2
F
E558

Fig
FE
I

Accelerator
Control

System

Note
After

adjustment
securely

tighten

stopper
bolt
lock
nut

3
Pull

outer
case
to
uP
direction

making
sure
that

throttle
lever
is
re

turned
to

idle

position
Move
back

outer
case
I

mm
0
04
in
from

a

position
where
throttle

lever
starts

moving
and
fasten

outer
case

securely

with

clamp

Q4t

1

Clamp

2
Outer
case

FE1
1

Fig
FE
2

Adju

ting
Accolerator

Linkage

Engine
Control
Fuel
Exhaust

Systems

4
When
accelerator

pedal
is

fully

depressed
make
sure
that
throttle

valve

opens
fuUy

5
After
above

adjustments
have

been
made
make
sure
that
accelerator

linkage

operates
smoothly
without

dragging
Make
sure
that
throttle
lever
returns

securely
to
idle

position
as

soon
as

accelerator

pedal
is
released

K1ckdown
switch

On
the
automatic
transmission

models
it
is
also

necessary
to

adjust

kickdown
switch
The
kickdown

FE
3
switch

adjustment
is
correct
if
kick

down
switch
is
actuated

by
the

stop

per
located

on
the

tip
end
of

pedal

arm
when
accelerator

pedal
is
de

pressed

fuUy
Always
tighten
lock
nut

securely
when

proper
adjustment
is

obtained

Engine
Control
Fuel
Exhaust

Systems

REMOVAL

WARNING

When

replacing
fuel
line

parts
be

sure
to
observe
the

following

a
Put
a
CAUTION
INFLAM

MABLE

sign
in

workshop

b
Be

sure
to
furnish

workshop

with
In

asphyxiator

c
Be
sure
to
disconnect

battery

ground
cable
before

conducting

operations

d
Put
drained
fuel
in
an

explosion

proof
container
and

put
on
lid

securely

FUEL
TANK

Sedan

I

Disconnect
battery
ground
cable

2
Drain
fuel
from
fuel
tank

then

disconnect
fuel
hose

3
Remove

filler
hose

protector

and

inspection
cover
in

luggage
com

i
tl

f

I

Filler
hose

protector

2

Inspection
cover

FE561

Fig
FE
4

Removing
Filler
Hose

Protector
and
Inspection

Cover

4
Disconnect
fuel
filler
hose

vent

hoses
and
fuel
tank

gauge
unit
wire

connector

I

JI

I

2
FE562

3

Fig
FE

5
Di

connecting
Ho
e
and

Connector
5
Remove
fuel
tank

protector

6
Remove
fuel
tank

Hatchback
and

Wagon

I
Disconnect

battery

ground
cable

2
Drain

fuel
from
fuel
tank

then

disconnect
fuel
hose

3

Remove

luggage
carpet
luggage

board

inspection

covef
and
side
finish

er

4
Disconnect
fuel
filler
hose

vent

hoses
and
fuel
tank

gauge
unit
wire

connector
See

Fig
FE

5

5
Remove

fuel
tank

protector

6
Remove
fuel
tank

FUEL
TANK
GAUGE
UNIT

Sedan

1
Remove

inspection
cover
in

lug

gage
compartment
See

Fig
FE
3

2

Disconnect
fuel
tank

gauge
unit

wire
connector

3
Remove
fuel
tank

gauge
unit

Hatchback
and

Wagon

I
Remove

luggage
carpet
luggage

board
and

inspection
cover

2

Disconnect
fuel
tank

gauge
unit

wire

connector

3
Remove
fuel
tank

gauge
unit

CHECK
VALVE

Sedan

I
Remove

inspection
cover
and
fuel

filler
hose

protector
in

luggage
com

partment

2
Remove
check
valve

Hatchback

I
Remove

luggage
carpet
luggage

board
and

luggage
side
finisher

2
Remove
check
valve

Wagon

I
Remove

rear
side
finisher
in

luggage
compartment

2
Remove
check
valve

FE
5
FUEL
TUBE

Fuel
tubes
are
serviced

as
an
assem

bly
so
that
the

replacement
of
fuel

tube

can
be

easily
done
However

do

not
disconnect

any
fuel
line
unless

absolutely
necessary

Drain

fuel
from
fuel
tank

2

Loosen
fuel
hose

clamps
and
dis

connect
fuel
tube

at
each
end

Note

Plug
hose
and
tube

openings
to

prevent
entry
of
dust
or
dirt
while

removing

3
Unfasten

clips
that

hold
tube
on

underbody
and

remove
tube

from
the

car

FUEL

FILTER

I
Disconnect
fuel
hoses
from
fuel

filter

by

removing
clamps

2

Take
out
fuel
strainer
and
discard

it

INSPECTION

FUEL
TANK

Check
fuel
tank
for

cracks
or
defor

mation

If

necessary
replace

FUEL
HOSE

Inspect
all
hoses
for
cracks

fatigue

sweating
or
deterioration

Replace
any
hose
that
is

damaged

FUEL
TUBE

Replace
any
fuel
tube
that

is
crack

ed
rusted

collapsed
or
deformed

FUEL
FILTER

Replace
fuel
filter
at
the

specified

maintenance
interval
or

if
it

becomes

clogged
or
restricted

Fuel
filter
is
of
a

cartridge
type
and

cannot
be
cleaned

Always
replace

with

a
new
one

CHECK
VALVE

1
Blow
air

through
connector

on

fuel
tank
side

A
considerable
resistance
should
be

felt
at
the
mouth
and
a

portion
of
air

Engine
Control

f1lel
Exhaust

Systems

flow
be
directed
toward

atmosphere

side

2

Blow
air

tluough
connector
on

atmosphere
side
Air

flow
should
be

smoothly
directed
toward

fuel
tank

3
If

cbeck
valve
is

suspected
of
not

being
properly
functioning
in

steps
I

and
2
above

replace

To

fuel
tank

FE477
Pressure
valve

Vacuum
valve

Return

spring

Fig
FE
6

Checking
Check
Valve

INSTALLATION

Install

any
parts
of
the
fuel

system

in

the
reverse
order
of

removal
Ob

serve

the

following
notes
Note

a

Install
hose

clamps
securely
Do

not

tighten
excessively
to
avoid

dam

aging
hoses

b
Fasten

clips
holding
fuel
tube
on

underbody
securely
Failure
to
fol

low

this
caution
could
result

in

damage
to
the
surface
of
fuel
tube

c
Do

not
kink
or
twist
hOse
and
tube

when

they
are

routed

d
Run

the

engine
and
check
for

leaks

at
connections

FUEL

TANK

Not

InstaU
fuel
filler
hose
after
fuel

tank
has

been
mounted
in

place

Failure
to
foUow

this
rule
could

result
in

leakage
from
around
hose

connections
Do
not

twist
or
smash

vent
hoses
when

they
are
routed

Be

sure
to
retain
them
with

clips

securely

FE
6
@
Tightening

torque

Drain

plug

1
6

to
2
4

kg
m

112
tn
17
ft
bl

Fuel

tank

0
8

to
1
2

kll
m

15
8
to
8
7

ft
Ibl

FUEL

TANK
GAUGE
UNIT

Note
When

installing
fuel
tank

gauge

unit

aJign
the

projection
of
tank

gauge
unit

with
the
notch
in

fuel

tank
and

tighten
it

securely
Be
sure

to
instaU

tank

gauge
unit
with

O

ring
in

place

CHECK

VALVE

Note
When

installing
check
valve
be

careful
of
its

designated
direction

See

Fig
FE