mirror DATSUN 210 1979 Service Manual

make

sure
throttle
valve

operates

click

sound
is
heard

or

continuity

turns
to

OFF
when

engine
speed

decrease
to

idling

If

not

adjust
throttle
valve
switch

Fig
ET
19

AdjlUting
Throttle
V
ve

Switch

FU
models

If
throttle

valve
switch

g1f1not
be

adjusted
to

specification

replace
Engine
Tune

up

Note

If
it
is
difrlCUlt
to

judge
open

tion
of
throttle
valve

switch

by

hearing
Click
sound
caused

by

microswitch
check

as
follows

1

DiscollI
ecl

throttle
va1ve

switch

ronnector

and
connect
circuit

tester
to
throttle
va1ve
switch

2

Run

engine
under

no
load

Increase

engine
speed
slowly
and
make
sure

it
is

within
the

specified
range
when

throttle
valve
switch
is
turned

on

Then
decrease

engine
speed
slowly

and
make
sure
it
is

within
the

specified
range
when
throttle
va1ve

switch
is

turned
off

If
not

adjust
throttle
valve
switch

3
Make

sure

continuity
of
throttle

vaIve
switch
turns

to
OFF
in
the

operation
desaihed

in

step
6

Engine
operation
Engine
speed
when

throttle
valve

switch

operates
Throttle

valve
switch

continuity

When

engine
speed

increases
1

150
i200

rpm

1

000
1
200

rpm
When

engine
speed

decreases

REPLACING

FUEL

FILTER

I

Check
for
a

contaminated
filter

and

water

deposit

0

9

ET011

Fig
ET
20
Fuel
Filter

All

engines
use
a

replaceable
car

tridge
type
fuel
filter
as
an

assembly

2

Replace
fuel
filter
in
accordance

with
maintenance

schedule
OFF

ON

ON

OFF

CHECKING

FUEL

LINES

Hoses

piping

connections
etc

Check
fuel
lines
for

loose
connec

tions
cracks

and
deterioration
Re

tighten
loose

connections
and

replace

any
damaged
or

deformed

parts

REPLACING
AIR

CLEANER
FILTER

Viscous

paper
type
air

cleaner
filter

does

not

require
any
cleaning
opera

tion
until

it
is

replaced
periodically

Sushing
or

blasting
operation
will

cause

clogging
and

result
in

enrich

ment
of
carburetor

mixture
and

should
never
be

conducted

Replace
air

cleaner
filter
in

accord

ance
with
maintenance

schedule

ET
10
CHECKING

AUTOMATIC

TEMPERATURE

CONTROl
AiR

CLEANER

I
Check

that
vacuum
hoses

Intake

manifold
to
3

way
connector
3

way

connector
to

temperature
sensor

3

way
connector
to
idle

compensator

temperature
sensor
to
vacuum
motor

are

securely
connected
in

C9rrect

posi

tion

2

Check
each
hose
for

cracks
or

distortion

3
Check
A
T
C

system
for
function

by
proceeding
as
follows

ConfIrm
that

engine
is
cold
before

starting
test

With

engine
stopp
d

distonnect

fresh
air

duct

Place
a

mirror
at

the
end
of
air

c1eaner
inlet

pipe
as

shown
and
check

to

see
if
air

control

valve
is
in

correct

pOsition

2J

v
7

EF210

Fig
ET
21

Inspecting
Valve
Position

Air

control

va
ve
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

5

Check
that
air
control

valve

gradually
opens
to
cold
air
inlet

side
as

engine
warms

up
When
environmental

temperature
around

temperature

sensor
is

low

spend
more
time
for

engine

warning
up
operation
of

facili

tate
smooth

operation
of
air

control

valve

If
the

above

test
reveals

any
prob

lem

in
the

operation
of
air

control

valve

carry
out
the

further

inspection

described
in

Section
EF

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

they
are
worn

damaged
or
otherwise

faulty
and
how

they
are
affected
Re

pair
or

replace
all

faulty

parts
which

ever
is

necessary

1
Check

gear
teeth

for

scoring

cracking
or

chipping
and
make
sure

that

tooth
contact

pattern
indicates

correct

meshing
depth
If

any
fault

is
evident

replace

parts
as

required

Note
Drive

pinion
and

ring
gear
are

supplied
for

replacement
as
a

set

therefore
should
either

part
be

damaged

replece
as
a
set

2
Check

pinion
shaft
and

pinion

mates
for
scores
and

signs
of
wear

and

replace
as

required

F
oUow
the
same

procedure
for
side

gear
and
their
seats
on
differential

case

3

Inspect
all

bearing
races
and
roU

ers
for

scoring
chipping
or
evidence
of

excessive
wear

They
should
be
in

tiptop
condition
such
as
not
worn
and

with
mirror

like
surfaces

Replace
if

there
is
a

shadow
of

doubt
on
their

efficiency
as
an

incorrect

bearing
op

eration

may
result
in
noises
and

gear

seizure

4

Inspect
thrust
washer
faces
SmaU

faults
can
be

corrected
with

sand

paper
If

pinion
mate
to
de

gear

backlash
exceeds

specified
value
re

place
thrust

washers

Pinion

mate
to
side

gear
backlash

0
10
to
0
20
mm

0
0039
to
0
0079
in

5

Inspect
gear
carrier
and
differ

ential
case
for
cracks
or
distortion
If

either

condition
is
evident

replace

Jaulty

parts

6
As
a

general
rule
oil
seal
should

be

replaced
at
each

disassembly

ASSEMBLY
AND

ADJUSTMENT

Assembly
can
be
done
in
the

reverse
order
of

disassembly
The

foUowing
directions
for

adjustment

and

usage
of

special
tools
enable
to

obtain
a

perfect
differential

operation
Propeller
Shaft
Differential
Carrier

PRECAUTIONS
IN

REASSEMBLY

I

Arrange
shims
washers
and

the

like
to
install
them

correctly

2

Thoroughly
clean
the

surfaces
on

which
shims

washers

bearings
and

bearing
caps
are
installed

3

Apply
gear
oil
when

installing

bearings

4

Pack

grease
cavity
between

lips

when

fitting
oil
seal

ASSEMBLY
OF

DIFFERENTIAL
CASE

1

Assemble

pinion
mates
side

gears

and
thrust
washers
in
differential
case

2
Fit

pinion
shaft
to
differential

case

so
that
it

meets
lock

pin
hole

3

Adjust
pinion
mate

to
ide

gear

backlash
or
the
clearance
between
the

rear
face
of
side

gear
and

thrust

washer
to
the

specified
value

by

selecting
side

gear
thrust
washer

Pinion
mate
to
side

gear
backlash

0
10
to
0
20

mm

10
0039
to
0
0079
in

PD023

Fig
PD

l1
Measuring
Clearance

Side

gear
thrust

washer

Thickness
mm
in

0
785
0
0309

0
835
0

0329

0

885
0
0348

4

Lock

pinion
shaft
lock

pin
using
a

punch
after
it
is

secured
into

place

5

Apply
oil

to

gear
tooth
surfaces

and
thrust
surfaces
and
check
if

they

turn

properly

6

Place

ring

gear
on
differential
case

and
install
bolts
and
lock

straps
Tor

que
bolts
to

specification
and
bend

up

lock

straps

PO
5
tiJ
Tightening
torque

Ring
gear
bolt

6
0
to
7
0

kg
m

43
to
51
ft
Ib

CAUTION

e
Use

only
genuine
ring
gear
bolts

end
new
lock

straps

b

Tighten
bolts
in
criss
crilss
fashion

lightly

tapping
around
bolt
heads

with
a
hammer

7

When

replacing
side

bearing

measure

bearing
width

using
Side
Bear

ing
Adjust
Weight
ST3250S000

Weight
mock
ST3250
I

000
and

Master

Gauge
ST325020oo
or
suit

able

standard

gauge
17
5
nun
0
689

in

thickness
and

a

weight
block
2
5

kg
5
5
Ib

prior
to
installation

Standald

bearing
width

17
5
mm
10
689
in

y

ST32501000

8
Select
side

bearing
shims
re

ferring
to

Adjustment
of
Side

Bearing

Shims

9
Press
fit
side

bearing
cone
into

differential
case

using
Gear
Carrier

Side

Bearing
Drift
ST33220oo0
and

Adapter
ST33052000

w

I
ST33220000

PD244
1000

ST33052000

Fig
PD
13

lnatalling
Side

Bearing

Cone

INSPECTiON
OF
SEAT

BELT
SWITCH

The

contacts
of
seat

belt
switch
are

normally
closed
When

tongue
latches

buckle
the

tip
end
of

tongue
pushes

push
rod
to

open
the

switch
contacts

ROOF
TRIMMING

Removel

end
Inetelletlon

l

Remove
room

lamp
assist

grip

coat

hangers
inside
rearview
mirror

and
sun
visors

2

Remove

body
side
welts
and
re

move
roof
side

garnishes
and

tail
rail

garnish

3
Remove
rear
side
finishers

4

Draw
out
roof

headlining
from

windshield

weatherstrip

5

Installation
is
in

the
reverse

order

of

removal
Body

u

I

Disconnectbatter

y
ground
cable

2

Disconnect
seat
belt

switch
wire

harness
lape
belt
latches
buckle
and

go
on

when
it

unlatches
buckle

Replace
belt

assembly
if

necessary

Note
When

checking
seat
belt
switch

operation
make

sure
that

power

held
below
16
volts

and
13
mA
3

Check

seat
belt

switch
for

proper

operation
using
a
test

light
The

light

should

go
out
when

tongue
of
outer

TRIM

AND
MOLDING

f

BODY
SIDE
TRIM

AND
MOLDING

SEDAN
T

S

Tail
rail

1
J

clamp

2
Rear
side
finisher

3

Tailrail

garnish

4

Headlining

5

Roof
side

garnish

6
Coat

hanger

7
Assist

grip

8
Sun
visor

9
Inside
rearview

mirror

BF173B

Fig
BF
96

Roof

Trimming

1
Dash
side
finisher

2
Front

pillar
garnish

3

Body
front
side
welt

4
Center

pillar
garnish

5

Body
side
rear

welt

6
Rear
seat
back
finisher

7
Front

kicking
plate

8
Rear

kicking
plate

9

Drip
center

molding

10
Rear
comer

garnish

11

Air
outlet

grille

12
Front

pillar
molding

Fig
BF

97

Body
Side
Trim
ond

Molding
4
Door
BF783B

BF
32