1979 DATSUN 210 maintenance

3

way
connector

ck

Air

Manometer

@

Carbon
canister
Engine
Tune

up

400
mmH20
15
75
in

H20

Check
valve

r
F

uel
filler
cap
with

vacuum
relief
valve

1

Fig
ET
28

Checking
Evaporatiue
Emiuion
Control

System
EC091A

CHECKING
FUEL

TANK
VACUUM

RELIEF
VALVE

Remove
fuel
filler

cap
and
see
it

functions

properly

I

Wipe
clean
valve

housing
and
have

it
in

your
mouth

2

Inhale
air
A

slight
resistance
ac
companied
by
valve

indicates
that

valve
is
in

good
mechanical
condition

Note

also
that

by
further

inhaling
air

the
resistance
should
be

disappeared

with
valve

c
ks

3

If
valve
is

clogged
or
if
no
resist

ance
is
felt

replace
cap
as
an
assem

bled
unit

ET
j3
D

o
0

o
0

o
0

ET500

Fig
ET
29
Fuel
Filler

Cap
with

Vacuum

Relief
Value

REPLACING
CARBON

CANISTER
FILTER

Check
for
a
contaminated
fJlter

Filter
can
be
removed
at
the
bot

tom

of
canister
installed
on
car

body

2

Replace
fJlter
in

accordance
with

maintenance
chedule

EF201

Fig
ET
30

Repfucing
Carbon
Canister

Filter

TEMPERATURE
SENSOR

Removal

I

Using
pliers
flatten

clip
con

necting
vacuum

hose
to

sensor
vacuum

tube

1

Pipe

2
Catch

3
Fixed
with

adhesive

4
Hose

5
Tab

6

Clip

7
Gasket

EC019

Fig
EF
7

Removing
Seruor

2
Disconnect
hose
from

sensor

3
Take
off

clip
from
sensor
vacuum

tube
and
dismount
sensor

body
from

air
cleaner

Note

The

gasket
between

sensor
and

air

cleaner
is
bonded
to

the
air

cleaner

side
and

should
not

be

removed

Installation

Mount
sensor
on
the

specified

position

2

Insert

clip
into

vacuum
tube
of

sensor
After

installing
each
vacuum

hose

secure
hose
with
the

clip

Note
Be

sure
to
install
vacUl
11n

hose

correctly
Correct

position
is
R
H

side
to

Ntisan

mark
at
the

top

face
of
sensor
for
intake
manifold

L

H
side
for

Deuum
motor

VACUUM

MOTOR

1

Remove

screws

securing
vacuum

motor

to
air
cleaner

2

Disconnect

valve
shaft

attached

to

vacuum
motor

diaphragm
from
air

control
valve

and

remove

vacuum

motor

assembly
from
air

cleaner

3
To
install

reverse
the

removal

procedures
Engine
Fuel

Fig
EF

8
Removing
Vacuum
Motor

INSPECTION

AIR

CLEANER
FILTER

Viscous

paper

type
air

cleaner
filter

does

o
ot

rt

quire
any
cleaning
opera

tion

until
it

is

replaced
periodically

Brushing
or

blasting
operation
will

cause

clogging
and
result

in
enrich

ment

of
carburetor
mixture

and

should
never
be

conducted
For
reo

placement
interval
of
air

cleaner
filter

refer
to

Maintenance

Schedule

AUTOMATIC

TEMPERATURE

CONTROL
SYSTEM

Engine
failures

resulting
from
a

malfunctioning
A
T
C

system
are

manifest

during
cold
weather

opera

tion
Such
failures

include

Engine
stall
or
hesitation

Increase
in
fuel

consumption

Lack
of

power

If
these

phenomena
should

occur

check

A
T
e

system
as

described
in

the

following
before

carrying
out

inspection
of

carburetor

I
Check
that

vacuum
hoses
are

se

l

urely
connected
in
correct

position

2

Check
each
hose

for
cracks
or

distortion

3

Check
A
T

C

system
for

proper

function
as

follo
ys
Confirm
that

engine
is

cold
before

starting
test

With

engine
topped
disconnect

fresh
air

duct
if
so

equipped

Place
a
mirror
at
the
end

of
air

cleaner
inlet

pipe
as
shown
and

check

to
see
if
air
control
valve

is
in
correct

position

EF
4
Fig
EF
9

Inspecting
Valve
Po

man

Air
control
valve
is

in
correct

posi

tion
if
its
cold
air
inlet

is

open
and

hot

air
inlet
is

closed

4
Start

engine
and

keep
idling

Immediately
after

engine

starting

check
air
control

valve
for

correct

position
as
described
above
In

this

case
correct

position
of
air
control

valve
is

the

reverse
of

step
3

under

hood
air
inlet
is
closed

and
hot
air

inlet
is

open

S

Check
that
air
control
valve

grad

ually
opens
to

cold
air

inlet
side

as

engine
warms

up
When

environmental

temperature
around

temperature
sen

sor
is
low

spend
more
time

for

engine

warming
up
operation
to
facilitate

smooth

operation
of
air
control

valve

If
the
above

test
reveals

any
prob

lem
in
the

opera
ion
of
air
control

valve

carry
out
the

following
test

VACUUM
MOTOR

I
With

engine
stopped
confirm

that

cold
air
inlet
is

open
and

hot
air

inlet
is

c1
Sed

If
not

check
air
control
valve
link

age
for

proper
operation

2

DiscoJln
ct
ac
um

motor
inlet

vacuum
hose

and
connect

another

hose
to
the

inlet
to

apply
vacuum
to

vacuum
motor

Vacuum
can

be

appli
d

by
breathing
in

tile
hos
e
end

as

shown
Then

confirm
that

the
air

control
valve

moves

3
With
hot
air
inlet
in

open
posi

tion
as

described
in

step
2

above

pinch
vacuum
hose
with

fingers
and

cut
off
air
from

vacuum
hose
In

this

condition

check
that
air
control

valve

maintains
the

condition
described
in

step
2

for
more
than

30
seconds

and

that
hot

air
inlet

is

open
If

diaphragm

spring
actuates

the
air
control
valve

by

Air
Induction
v
lve
filter

The
air
induction
valve
filter
is

installed
at
the
dust
side
of
the
air

cleaner
It

purifies
secondary
air

to
be

sent
to
the

exhaust
tube
The
fIlter

element
should
be

replaced
periodical

ly
in
accordance
with
the
Maintenance

Schedule

EC921

Fig
EC
54
Air
Induction
Valve

Filter

Antl
beckflre
v
lve
A
B
v
lve

Tltis
valve
is

controlled

by
intake

manifold
vacuum
to

prevent
backfire

in
the

exhaust
system
at
the
initial

period
of
deceleration

At
this

period
the
mixture
in

the

intake
manifold
becomes
too
rich
to

ignite
and
burn
in

the
combustion

chamber
and
burns

easily
in
the
ex

haust

system
with

injected
air
in
the

exhaust
manifold

The
anti

backfire
valve

provides
air

to
the
intake

manifold
to
make
the

air
fuel
mixture
leaner
and

prevents

backfire

If

the
valve
does
not
work

properly

unburned
ntixture
will
be

emitted

from

the
combustion
chambers
and

burns
with
the
aid
of

high
temperature

and

injected
air
which

causes
backfrre

To
intake

manifold

vacuum

To
intake

manifold

From
air

cleaner

EC069

Fig
EC
55
Anti

backfire
Value
Emission
Control

System

Air
Induction
Into
exhaust

port

The

secondary
air
fed
from
the
air

induction
valve

goes
through
the
check

valve
to
the
air

gallery
in

the

cylinder

head
It
is
then

distributed
to

each

exhaust

port
and

injected
near
the

exhaust
valve

I
Air

gallery

2
Exhaust

port

3
Exhaust
manifold

EC316

Fig
EC
56
Sectional
View

of

Exhaust
Port

REMOVAL
AND

INSTALLATION

Air
Induction
valve
and
filter

Remove
the
screws

securing
the

valve
and
filter
to
the
air

cleaner
body

The
air
induction
valve
and
valve
filter

can
then
be
taken

out

easily
Installa

tion
is
in
the
reverse

sequence
of

removal

EC922

Fig
EC
57

Removing
Air
Induction

Valve
and
Filter

EC
19
Air
Induction

pipe

Loosen
out
a

nut
securing
the

pipe

to

the

engine
cylinder
head
At
the

same
time
remove
the
screws

securing

the
bracket
and
rubber
hose

clamp

The
air
induction

pipe
can
then
be

taken
out
Installation
is
in
the
reverse

sequence
of
removal

Fig
EC
58

A
B
valve

The
A
B
valve
is
located
at
the

rear

side
of
the
air
cleaner
Remove

the
air

hoses
and
vacuum
tube

The
A
B
valve

can
then
be

taken

out
Installation
is
in
the

reverse
se

quence
of
removal

EC152A

Fig
EC
59

Removing
A
B
Valve

INSPECTION

Preliminary
Inspection

Check
hose
for
looseness

flatting

damage
or

faulty
connections
and

each

part
for

proper
installation
If

necessary

replace

Air
Induction
valve
and
filter

I
Disconnect
air
induction
hose
at

air
induction

pipe
side
Suck
or
blow

hose
to
make
sure
that
air

flows

only

on
the
air

induction

pipe
side

EC924

Fig
EC

60
Checking
Air
Induction

Valve

2

Check
air
induction
valve
reed

valve
for

binding
or

damage
At
the

same
time
check
filter
for

damage
or

plugging
If

necessary
replace
Filter

should
be

replaced
periodically
in
ac

cordance
with
Maintenance
Schedule
Emission

Control

System

1
Air
induction
valve
filter

2

Air
induction
valve

EC925

Fig
EC
6I
Checking
Air
Induction

Valve
and
Filter

Anti
backfire
valve
A
B
alve

I
Warm

up
engine
thoroughly

2
Disconnect
hose
from
air
cleaner

EC
20
and

place
aflriger
near
tneoutlet

3

Run

engine
at
about
3

000

rpm

under
no
load
then

quickly
return
it

to
idling
If

you
feel
a

pull
or

suction

force

on

your
finger
the
anti
J
ackfire

valve
is

functioning

normally
If
no

suction
is
felt

replace
the
anti
backfire

valve

eC76S

Fig
EC
62

Checking
Anti
bock
ire

Valve

DESCRIPTION

The

ignition
circuit
consists

of

igni

tion

switch
Ie

ignition
unit
dis

tributor

winng

ipark
plugs
and

battery

The

distributor
is

of
the

contactless

type
and
is

equipped
with
a

pick
up

coil
which

electrically
detects
the

igni

tion

timing
signal
in

place
of
the

ircuit

I
rea
r

of
the
conventional

distributor
The
IC

ignition
unit
is

a

new
addition

which

generates
the

signal
required
for
the

make
and
break

of
the

primary
current
for
the

ignition

coil

The

primary
current
is

supplied

by
the

battery
or
alternator
and

flows

through
the

primary
circuit

It
consists

of
the

ignition
switch

primary

winding
of
the

ignition
coil

IC

ignition
unit

and
all

connecting
low

tension

wiring

The

secondary
current
is

produced

by
the

ignition
coil
and
flows

through

the

secondary
circuit

resulting
in

high

voltage
spark
between

the
electrodes

of

the

spark

plugs
in

engine
cylinders

This
circuit

contains
the

secondary

winding
of
the

ignition
coil
distribu

tor

high
tension

cables
to

coil
and

spark

plugs
distributor

rotor
and

cap

When
the

ignition
switch
is

turned

on
and
the

distributor

reluctor
rotates

the

primary
current
flows

through
the

primary

winding
of
the

coil
and

through
IC

ignitionu
nit

to

ground

When
the

primary
circuit
is

opened

by
circuit

of
IC

ignition
unit

the

magnetic
field
built

up
in

the

primary

winding
of
the
coil

moves

through

the

secondary
winding
of
the

coil
in

ducing
high

voltage
This

high

voltage

is

produced

every
time

the

primary

circuit

opens
EngineElect
ical

System

IGNITfON

CIRCUIT

The

secondary
current

flows

through
the

high
tension

cable
to
the

distributor

cap
then

the
rotor

distributes
the
current
to

one
of
the

spark
plug
terminals
in
the

distrubutor

cap

Then
the

spark
occurs

while
the

secondary
current

jumps
the

gap
be

tween
the
insulated
electrode
and
the

ground
side
electrode
of
the

spark

plug
This

process
is

repeated
for
each

power
stroke

of
t

e

engine

The

spark
plug
should
be

inspected

cleaned
and

regapped
at

tune

up

Spark

plugs
should
also
be

replaced

periodically
as

specified
in

the

Maintenance
Schedule

The
remainder

of
the

ignition

component
parti
should
be

inspected

Battery

letink

Primary

winding

1

Ignition
coil

Secondary
winding
J
for

only
their

operation
air

gap
of

distributor

tightness
of

electrical

terminals
and

wiring
condition

Apply
grease
NLGI

consistency

No
I

containing
MaS
or

equivalent

to
distributor
rotor

shaft
as

required

WARNING

When
current
is

flowing
never

touch
with
bare

hand

high
tension

cables
or

any
other

parts
with

high

vollage
If

parts
are
moist

touching

them
could
cause
an
electric
shock

even
if

they
are
insulated

Always

wear

dry
well
insulated

gloves
or

wrap
affected

parts
with

dry
cloth

before

handling

To
starter

EE
20
Ro

or
head

Ul

J

r

Spark
plugs

EE743

Fig
EE
56

Ignition
System
Circuit

Diagram

Front
Axle

Front

Suspension

INSPECTION
AND
ADJUSTIVIENT

INSPECTION

Inspect
in
accordance
with

periodic

maintenance
schedule

Block
rear
wheels
with
chocks

2

Jack

up
the
front

of

car
and

support
it
with

safety
stands

Refer
to

Section
GI
for

lifting

points
and

towing

3

Shaking
each
fiont
wheel

by

grasping
the

upper
and

lower
surfaces

of
the
tires
check

suspension
parts
for

looseness
wear
or

damage
Tighten
aU

loose
bolts
and

nuts
to
the

specified

torque
Replace
all
worn

parts
as

described
under
Front

Suspension

4

Check
wheel

bearings
If

there
is

any
axial
end

play
adjust

bearings
to

specifications

Replace
worn
or

damaged
bearings

as
described
under
Front

Axle

S
Check

strut
for
oil

leakage
or

damage

ADJUSTMENT

WHEEL

BEARING

Block

rear
wheels
with
chocks

2

Jack

up
the
front
of
car
and

support
it

with

safety
stands

3

Remove
brake

pads
Refer
to

Section
BR
for

pad
replacement

4

Remove
hub

cap
cotter

pin
ad

justing

cap
and
wheel

bearing
nut

S

Sparingly
apply
recommended

multi

purpose

grease
to
threaded

por

tion

of

spindle
and

contact
surface

between
wheel

bearing
washer
and

outer
wheel

bearing

6

Tighten
wheel

bearing
nut

using

a
suitable

torque
wrench

P
Tightening

torque

Wheel

bearing
nut

3
0
to
3
5

kll
m

22

to
25
ft

Ibl
Fig
FA

Tighlening
Wheel

Bearing

Nul

7
Turn

wheel
hub
several
times
in

both
directions
to

seat
wheel

bearing

correctly

again
tighten
wheel

bearing

nut
to
the
above

torque

8
Turn
back
wheel

bearing
nut
A

degrees

Return

engle
AU

900

Install

adjusting
cap
and

align
any

of
its
slots
with
hole
in

spindle
If
the

above

procedure
fails
to

align
hole
and

slot

together
then

tighten
lock

nut
as

much
as
I

S

degrees
until
hole
in

spindle
is

aligned
with

eny
slot

CAUTION

00
not

overtighten
wheel

bearing
nuts

as
this

can
cause
wheel

bearing
seizure

9
Turn

hub
in
both

directions
two

or
three
times

measuring
its

turning

torque
and

axial

play
to

ee
if

they
are

within
the

specified
range
If

they
are

not

adjust

Axial

play

Omm

Din

Wheel

bealing
starting
torque

With

new

gleaS8
l8al

A

measured
et

wheel

bearing

nut

less
than
7

kg
cm

G
1
in
Ibl

FA
2
AJ
measuled
et
wheel
hub

bolt

Less
then
1
2

kg
12
G
Ibl

With
u
ed

gr
seal

AJ
measured

at
wheel

bealing

nut

1
0
to
4
5

kg
cm

0
9
to
3
9
in
b

AJ
measuled
at

wheel
hub

bolt

0

17
to
0
79

kg

0
37
to
1
741bl

FA413

Fig
FA
2
Metr

uring
Bearing
Starting

Torq
ue

Repeat
above

procedures
until
cor

rect

starting
torque
is

obtained

Note

a

Correctly
meas
e
rotation

slar
ting

force

toward

tangential
direction

against
hub
bolt

b

Above

figures
do
not

include

dragging
resistance
with

pads
re

moved
on
disc
brake
models

c

Any

slightest
wheel

bearing
axial

play
cannot
be
tolerated

10
Insert
new
cotter

pin
with
the

legs
through
hese
two

parts
spread

legs
away
from
each
other

against
sides

of
wheel

bearing
nut

6

Pry
off
cotter

pin
take
out
ad

justing
cap
and

wheel

bearing
lock
nut

7

Remove
wheel
hub
with
disc

brake
rotor
from

spindle
with

bearing

installed

FA199

Fig
FA
10

Removing
Wheel
Hub

Note
Be
careful

not
to

drop
outer

bearing
DOne
out
of
hub
when

removing
hub
from
knuckle

spin

dle

8
Remove
outer

bearing
cone

9
Loosen
four

bolts

securing
brake

disc
remove

disc
brake

rotor
from

wheel
hub

assembly

Fig
FA
11

Removing
Due
Broke

Rotor

Loosen
screws

securing
baffle

plate

take
out
baffle

plate

10
Remove
inner

earing
cone
after

prying
out

grease
seaL
Discard

grease

seaL

11

If
it
is

necessary
to

replace

earing
outer
race
drive
it
out
from

hub
with

a
brass
drift
and
mallet

Evenly

tap
bearing
outer
race
through

two

grooves
inside
hub
Front
Axle

Front

Suspension

Fig
FA

12
Removing
Bearing
Outer

Race

INSPECTION

WHEEL
BEARING

Thoroughly
clean

grease
and
dirt

from
wheel

bearing
with

cleaning
sol

vent
and

dry
with

compressed
air
free

from
moisture
Check
wheel

bearing
to

see
that
it

rolls
freely
and
is
free
from

noise
crack

pitting
or
wear

WHEEL
HUB

Check
wheel
hub
for

crack

by

means
of

a

magnetic
exploration
or

dyeing
test
and

replace
if
cracked

INSTALLATION

Install
front
axle
in
the

reverse

order
of
removal

noting
the
fol

lowing

I
Install

bearing
outer
race
with

Front
Wheel

Bearing
Drift

Inner
ST35321000
Front
wheel

Bearing
Drift
Outer
ST35322000

and

Drift
Bar
ST35325000

until
they

seat
in

hub

2

Pack
hub
and
hub

cap
with

re

commended
multi

purpose
grease
up

to

shaded

portions

fA261

Fig
FA
13

LubriCating
Points

of

Wheel

Hub

FA
5
3
Coat
each

bearing
DOne
with
rec

ommended
multi

purpose
grease

FA781

Fig
FA

14

Coating
Bearing
Cone

with
Grease

4

Place
inner

bearing
cone
in
hub

and
install

a
new

grease
seal

coating

sealing
lips
with
recommended
multi

purpose
grease

5

Concerning
installation
of

brake

parts
refer
to

Section
BR

i
l
Tightening
tOlque

Disc
brake

Rotor
to

hub

3
9
to
5
3

kg
m

28
to
38
ft

lbl

6

Install
hub
with
rotor
and
outer

bearing
cone

7

Sparingly
apply
recommended

multi

purpose
grease
to
threaded

por

tion
of

spindle
and

bearing
washer
to

bearing
contacting
face
Then

install

washer
and
wheel

bearing
nut

Adjust
wheel

bearing
nut
as
de

scribed
in

Adjustment
in
this
section

Note

a
In

order
to
assure
DOrrect

bearing

starting

torque
and

to
extend
serv

ice

nfe
of
wheel

bearings
be
sure

to

avoid
dirt
and

foreign
particles
get

ting
iIi

bearings
grease
seal
Washer

bearing
nut
etc

b

Grease
should
be

changed
at
each

disassembly
end
in

aa
ordance
with

Periodic

Maintenance
Schedule

8

Install
O

ring
on

hub

cap
and

install
hub

cap
on
hub

9
Install
brake

caliper
assembly
re

ferring
to

Section
BR

10
Install
wheel
and
lire

S

Support
strut

assembly
with
a

jack
or
suitable
stand
and
remove

three
nuts

securing
strut
to

hoodledge

Strut
assembly
and

spring
can
then
be

removed
as
a
unit

DISASSEMBLY

When

disassembling
a

strut
extra

caution
should
be
exercised
to
avoid

dirt
and
dust

getting
inside
strut
This

dirt
and
dust
is
loaded
with
abrasive

which
if
enters
strut
causes
internal

leak
and

premature
wear
of

moving

parts

I
Secure
Strut

Steering
Gear

Housing
Attachment
KV48100300
in

a
vise
and
install
strut
on
attachment

2

Set

up
Spring
Compressor

ST3S6S
100
I

on

spring
Compress

spring
just
far

enough
to

permit
turn

ing
of
strut

mounting
insulator

by

hand
Remove

self

locking
nut

FA658

Fig
FA
18

Comprt
ingSpring

3
Remove

lock
nut

on

top
of

piston

rod
remove

mounting
insulator
strut

mounting
bearing
dust

seal

spring

seat

spring
and

bumper
rubber

CAUTION

Be

sure
to
hook

special
tool

8135651001

evenly
on
a

minimum

of
three
coils

Paying
attention
not
to

damage
piston
lod
Front
Axle
Front

Suspension

AJ

r

ST3565S001

F

A059
k

j

h

Fig
FA
19

Removing
Mounting

Insulator

4

Retract

piston
rod

by
pushing
it

down
until
it
bottoms
Remove

gland

packing
with
Gland

Packing
Wrench

ST3SS00001

A

ST35500001

1J

FA209
KV48
100300

Fig
FA

20
Removing
Gland

Packing

Note

Clean

gland

pecking
of

mud

and
other

foreign
perticles
accumu

lated

5
Remove

O

ring
from

top
of

pis

ton
rod

guide
bushing

6
Lift
out

piston
rod

together
with

cylinder

Note
Do
not
remove

pistion
rod

quickly
as
this
will
cause
oil
to

spurt
out

FA275

Fig
FA

21

Removing
Pi
ton
Rod

and

Cyliilder

FA
7
Note

Piston
rod

piston
rod

guide

and

cylinder
are

adjusted
to

provide

precision
mating
sutfeces
and

should
be
handled
as
a

matched
set

7
Drain

fluid

thoroughly
from
inner

cylinder
and
discard

8

Wash
aU

parts
in

suitable
solvent

9
Drain
fluid

thoroughly
from

outer

casing

Note
This

operation
is

very
im

portant
since

performance
of
strut

varies
with
amount
of
fluid
filled

within
strut

INSPECTION

I

Replace
gland
packing
O

ring
and

fluid
whenever

strut
is
disassembled

2

Wash
aU

perts
except
for
non

metallic

parts
with
suitable
solvent

and

dry
with

compressed
air

3
Blow
dirt
and
dust

off
of
non

metallic

parts
using
compressed
air

Note

a

Oil

oozing
out
at
and
around

gland

pecking
does
not
call

for
strut

maintenance
If
oil
leaks

past
pring

sest

check

piston
rod
and

gland

pecking
to
cxirrect
the
cause
of

problem
If
oil

leakage
occurs

on

welded

portion
of
outer
strut

casing

replace
strut
outer

casing

essembly

b
If
hock
absorber
itself
is

malfunc

tioning
replace
as
an

assembly
in

cluding

piston
rod

cylinder
bot

tom
valve
and

guide
bushing

Outer
ce
in

Check
outer

casing
for
evidences
of

deformation

cracking
or
other
dam

age
If

necessary
discard

Strut
mountln
In
uletor

Replace
if
cemented
rubber
to

metal

joints
are
melted
or
cracked

Rubber

parts
should
also
be

replaced

if
deteriorated

Strut
mountln
beerln

Replace
if

inspection
reveals
abnor

mal
noise
or
excessive
rattle
in
axial

direction