1979 DATSUN 210 air condition

REMOVAL

It
is
much
easier

to
remove

engine

and
transmission

as
a
single
unit
than

to

remove
alone
After
removal

engine

can
be

separated
from
the
transmission

assembly

WARNING

a
Place
wheel
chocks
in
fronl

of

front

wheels
and
in

rear
of

rear

wheels

b
Be
sure
to
hoist

engine
in
a
safe

manner

c
You
should
not
remove

engine

until
exhaust

system
has
com

pletely
cooled
off

Otherwise

you
may
burn

your

self
and
or
fire

may
break

out
in

fuel
line

Note
Fender
coven
should
be

used

to

protect
car

body

1
Disconnect

battery
ground
cable

from

battery
terminal
and
fusible
link

at
wire

connector

2
Remove
hood

as
follows

CAUTION

Have
an
assistant

help
you
so
as
to

prevent

damage
to

body

I
Mark
hood

hinge
locations
on

hood
to
facilitate
reinstallation

2

Support
hood

by
ltand
and
re

move
bolts

securing
it

to
hood

hinge

being
careful
not
to
let
hood

slip
when

bolts
are

removed
See

Fig
ER
2

3
Remove
hood
from
hood

hinge

f

Il

I

BF133A

Fig
ER
2

Removing
Hood

Remove

under
cover

Drain

radiator
coolant
and

engine
3

4

oil

5

Disconnect

upper
and
lower
hoses

from
radiator
and
disconnect
oil

cooler
hoses
automatic
transmission

only

6
Remove
four
bolts

securing
radia
Engine
Removal
Installation

tor

to

body
and
detach
radiator
after

removing
radiator
shroud

7

Remove
air
cleaner

assembly

from
carburetor
as
follows

1
Remove

fresh
air
duct
from
air

cleaner

2
Remove
hot
air
duct
from
air

cleaner

3

Loosen
air
cleaner
band
bolt

4
Disconnect
air

cleaner
to
air

pump
hose

at
air
cleaner

5

Disconnect
air
cleaner

ta
rocker

cover
hose

at
rocker
cover

6
Disconnect
air

cleaner
to
A
B

valve
hose
at
air

cleaner

7
Disconnect
air
cleaner
to
related

vacuum
hoses
at
air

cleaner

8
Disconnect
accelerator
control

wire
from
carburetor

9
Disconnect

the

following
cables

wires

and
hoses

Wire

to
auto
choke
heater

Wire
to

throttle

opener
cut
solenoid

or

throttle
switch

Wire

to
fuel
cut
solenoid

Wire
to

vacuum
switching
valve

High
tension

cable
between

igni

tion
coil
and
distributor

Battery
cable
to
starter
motor

Wire
to
distributor

Wire

to
thermal
transmitter

Wire

to
alternator

Engine
ground
cable
oil

pressure

switch
and

engine
harness
No
2

See

Fig
ER
3

o

1
Ground
cable

2

Engine
harness
No

2

3
Oil

pressure
switch

Fig
ER

3
EA368

Disconnecting
Cable
and

Wire

Fuel
hose

at
fuel

pump
and
fuel

return

hose
at
connection

Air

pump
air

cleaner
hose

Carbon
canister
hoses

Heater
inlet
and
outlet
hoses
if

so

equipped

ER
3
Vacuum
hose
of

brake
booster
at

intake
manifold

Air
conditioner

equipped

model

10
Remove

compressor
belt

To

remove
loosen
idler

pulley
nut

and

adjusting
bolt

1
Remove
air

pump

2
Remove

compressor
retaining

bolts
and
move

compressor
toward

fender
to
facilitate
removal
of

engine

Nole
Never

discharge
gas
from
com

pressor
while
work
is

being

per

formed

II

Compressor

EA478

Fig
ER
4

Location

of
Air

Compressor

3
Disconnect
vacuum
hose
of
air

conditioner
from
connector
of
intake

manifold

4
Remove

F
i

C
D

actuator
from

bracket

II
Remove
clutch

operating
cylin

der
from
clutch

housing
manual
trans

mission

only

dJ

Tightening
torque

Clutch

operating
cylinder

E
A3

to
clutch

housing

3
1

to
4
1

kg

22
to

30
ft
lbl

Fig
ER
5

Removing
Clutch

Operating

Cylinder

INSTALLATION

Install
in
the

reverse
order

of
re

moval

observing
the

following

Note

When

inslal1ing
be
sure
to

check
thaI
electrical
harnesses

are

connected
ly

1
When

installing
first
secure
rear

engine
mounting
member
to

body

2
Refer
to

applicable
section
when

installing
and

adjusting
any
parts

Adjust
clutch

pedal
free
travel
Re

fer

to
Clutch
Pedal
Free
Travel

Section
CL
for
installation
and

adjustment

Adjust
accelerator
control

system

Refer
to

Engine
Control

System

Section
FE
for

adjustment

For

installation
of
air
conditioner

compressor
and
belt

adjustment

Refer
to
Idler

Pulley
and
Com

pressor
Drive
Belt

for

adjustment

of
belt
tension

3
When

installing
exhaust
front

tube
on
exhaust
manifold
be
sure
to

use
new

gasket

4

When

installing
hood

following

engine
installation
be
sure
that

it
is

properly
centered
and
that
hood

lock

operates
securely
Refer
to
Hood

See

tion
BF

for

adjustment
Engine
Removal
Installation

ENGINE
MOUNTING

INSULATOR

FRONT
INSULATOR

Removal

Disconnect

battery
ground
cable

2

Suspend
engine
with
wire

or

chain

3

Remove
front

engine
mounting

insulator

lower
and

upper
nuts
on

both
sides

4
Make

sure
that
wire

or
chain
used

to

suspend
engine
is

positioned

prqper

ly
so
that
no
load
is

applied
to

insulators
and
remove
nuts

complete

ly

5

Lift

up
engine
and

separate
in

sulators

from

engine
mounting
rack

ets

Inspection

If
there
is

damage
deterioration
or

separation
of
bounded
surface
re

place

Installation

Install
front
insulators
in

reverse

sequence
of
removal

noting
the
fol

lowing

1
Do
not
confuse

right
and

left

insulators
R

right
side
or

L

left
side
identification
mark
is

stamp

ed
on
each
insulator

2
Install
front
insulator
so
that

ER
5
position
pin
is

projected
upward

3

Tighten
the

bolts
and

nut
correct

ly
and

securely
See

Fig
ER
I

REAR

INSULATOR

Removal

l

Support
transmission

weight
with

ajack

2
Remove

nuts

securing
rear

engine

mounting
insulator
to

mounting
mem

ber

3
Remove

bolts

connecting
rear
en

gine
mounting
insulator
to
transmis

sion

reaf
extension

housing

4

Jack

up
the

transmission
a
little

and

remove
insulator

Inspection

If
there
is

damage
deterioration
or

separation
of

mating
surface

replace

Installation

Install
rear

engine
mounting
mem

ber
and

insulator
in

reverse
order

of

removal

noting
the

following

I

Install
insulator
in

place
so

that

direction
of
mounted

insulator
is

same

as
that
in

Fig
ER

2

Tighten
nuts
and

bolts

correctly

and

securely
As
for

tightening
torque

see

Fig
ER
l

are

clean
and
free
from

foreign
matter

Cearance
between

cylinder

bore
and

piston

Leu
than
0
15

mm

0
0059
in

ASSEMBLY

Assemble
clutch
master

cylinder
in

the
reverse
order
of

disassembly
Ob

serve
the
following

I

Dip
piston
cup
in
brake

fluid

before

installing
Make
sure
that

it
is

correctly
faced
in

position

1
Return

spring

2

Supply
valve
rod

3
Piston

4

Secondary

cup
5

Spring
seat

6
Valve

spring

7

Primary
cup

8
Push
rod

CL283

Fig
CL
7
Piston

Asaembly

2

Apply
a

coating
of
brake
fluid
to

cylinder
and

piston
when

assembling

if
Tightening
torque

Reservoir
band

0
25
to
0
4

kg
m

11
8
to
2
9
ft
lb

Supply
valve

stopper

0
15
to
0
3

kg
m

1
1
to
2
2
ft
Ib

INSTALLATION

Install
clutch
master

cylinder
in
the

reverse
order
of
removal
Observe
the

following

I

Bleed
air

out
of

hydraulic
system

Refer
to

Bleeding
Clutch

System
for

bleeding

2

Adjust
pedal
height
and

pedal

free

travel
Refer
to

Clutch
Pedal

Height
and
Clutch
Pedal
Free

Travel

for

adjustment
Clutch

if
Tightening
torque

Master

cylinder
to
dash

panel

securing
nut

0
8
to
1
2

kg
m

5
8
to
8
7
ft

Ib

Clutch
tube
flare
nut

1
5
to
1
8

kg
m

11

to
13
ft
lb

CAUTION

When

connecting
clutch
tube

use

F

lere
Nut

Torque
Wrench

GG94310000

Note
When

tightening
flare
nut
hold

pipe
by
hand
to

r
it

from

twilling

OPERATING

CYLINDER

REMOVAL

I
Disconnect
clutch
tube
from

clutch
hose
at
the

bracket
on

side

member

CAUTION

When

disconnecting
clutch
tube

use

suitable
flare
nut
wrench

Never
use
an

open
end
wrench
or

adjustable
wrench

2
Remove
lock

spring
then
dis

engage
hose
from
bracket

3
Remove
clutch
hose
from

oper

ating
cylinder

4
Remove

operating
cylinder

DISASSEMBLY

Remove

push
rod
and
dust

cover

2

Remove

piston
and

piston
cup
as

an

assembly

Note

Discard

piston
cup
and
dust

cover

3
Remove
bleeder
screw

Cl
5
1

4

v

I
Bleeder
screw

2

Cylinder
body

3
Piston

cup

4
Piston
5
Dust
cover

6
Push
rod

7
Lock
nut

8

Push
nut

CL203

Fig
CL
B

Operating
Cylinder

INSPECTION

Visually

inspect
all
disassembled

parts
and

replace

parts
which
are
worn

or

damaged
too

badly

beyond
specifi

cations

CAUTION

To
clean
or
WISh
all

parts
of

operating

cylinder
dean
brake
fluid
must
be

Used

Never

use
mineral
oils
such
as

gasoline

and
kerosene
It
will
ruin
the
rubber

parts
of
the

hydraulic
system

I

Check

cylinder
bore
and

piston

for
score
or
rust
and
if
found

replace

2
Check

cylinder
bore
and

piston

for
wear
If
clearance

between

cylinder

bore
and

piston
i5
more

than
the

specified
value

replace
piston
or

oper

ating
cylinder
assembly

3

Check
condition
of

piston

cup

and
dust
cover

Always

replace
them

after

disassembly

4
Check
bleeder
hole
to

be
sure

that
it
is

clean

Clearance
between

cyliniler
bore

and

piston

less
than
0
15
mm
0
0059
in

ASSEMBLY

Assemble

operating
cylinder
in

the

reverse
order
of

disassembly
Observe

the

following

Condition

Clutch

slips

Clutch

drags
Clutch

TROUBLE

DIAGNOSES
AND

CORRECTIONS

Probable

cause
and

testing
Corrective
action

Slipping
of
clutch

may
be
noticeable

when

any
of
the

following
symptoms
is

encountered

during
operation

I
Car
will
not

respond
to

erigine
speed
during
acceleration

2
Insufficient

car

speed

3
Lack
of

power

during
uphill

driving

Some
of
the

above
conditions

may
also
be
attributable
to

engine
problem
First
determine

whether

engine
or
clutch
is

causing
the

problem

If

slipping
clutch
is

left
unheeded
wear

and
or

overheating
will
occur
on
clutch

facing
to
such

an
extent
that
it
is

no

longer
serviceable

TO

TEST
FOR
SLIPPING
CLurCH

proceed
as
follows

During
upgrade
havelling
run

engine
at

about
40
to
50

km
h
25
to
31
MPH

with

gear
shift

lever
in

3rd
speed
position
shift
into

highest

gear
and
t
the
same
time

rev

up
engine
If
clutch

is

slipping
car
willnot

readily
respond
to

depression
of
accelerator

pedal

Clutch

facing
warn

excessively

Oil
or

grease
on
clutch

facing

Warped
clutch

cover
or

pressure
plate
Replace

Replace

Repair
or

replace

Dragging
clu

tch
is

particularly
noticeable

when

shifting

gears
especially
into

low

gear

TO
TEST
FOR

DRAGGING
CLurCH

proceed
as
follows

I
Start

engine

Disengage
clutch
Shift
into

reverse

gear
and
then
into
Neutral

Gradually

increase

engine

speed
and

again
shift
into
reverse

gear
If
clutch
is

dragging
gear
grating

is
heard
when

shifting

gears
from
Neutral
into

Reverse

2

Stop
engine
and
shift

gears
Conduct
this
test
at
each

gear
position

3
In

step
2

gears
are
shifted

smoothly

except
1st

speed
position
at

idling

a
If

dragging
is

encountered

at
the
end
of

shifting
check
condition
of

synchro

mechanism
in

transmission

b
If

dragging
is
encountered
at
the

beginning
of

shifting
proceed
to

step
4

below

4

Push

change
lever
toward
Reverse
ide

depress
pedal
to
check
for
free

travel
of

pedal

a
If

pedal
can
be

depressed
further
check
clutch
for

condition

b
If

pedal
cannot
be

depressed
further

proceed
to

step
5

below

5
Check

clutch
control

pedal
height
pedal
free

play
free

travel
withdrawal
lever

play
etc

If

any
abnormal

condition
does
not
exist
and
if

pedal
cannot
be

depressed
further
check

clutch
for

condition

Clutch
disc

runout
or

warped

Wear
or
rust

on
hub

splines
in

clutch

disc

Diaphragm
spring
toe

height
out
of

adjustment
or
toe

tip
worn

Worn

or

improperly
installed

parts
Replace

Clean
and
lubricate

with

grease
or

replace

Adjust
or
replace

Repair
or

replace

CL12

Condition

Clutch
chatters

Noisy
clutch

Clutch

grabs
Clutch

Probable
cause
and

testing
Corr
ctive
action

Clutch

chattering
is

usually
noticeable
when
car
is

just
rolled
off
with
clutch

parlially

engaged

Weak
or

broken
clutch
disc
torsion

spring

Oil
or

grease
on
clutch

facing

Clutch

facing
out

of

proper
contact
or

clutch
disc
runout

Loose
rivets

Warped
pressure
plate
or
clutch
cover

surface

Unevenness
of

diaphragm

spring
toe

height

Loose

engine
mounting
or
deteriorated

rubber

A
noise
is

heard
after

clutch
is

disengaged

Damaged
release

bearing

A

noise
is

heard
when
clutch
is

disengaged

Insufficient

grease
on
the

sliding
surface

of

bearing
sleeve

Clutch
cover

and

bearing
are
not

in

stalled

correctly
Replace

Replace

Replace

Replace

Repair
or

replace

Adjust
or

replace

Retighten
or

replace

I
Replace

Apply
grease

Adjust

A
noise
is
heard
when
car

is

suddenly
rolled
off
with

clutch

partially
engaged

Damaged
pilot
bushing

I
Replace

When

grabbing
of
clutch
occurs
car
will
not
roll
off

smoothly
from
a

standing
start
or
clutch

will

be

engaged
before
clutch

pedal
is

fully
depressed

Oil
or

grease
on
clutch

facing

Clutch

facing
worn
or

loose
rivets

Wear

or
rust

on
splines
in
drive
shaft

and
clutch
disc

Warped
flywheel
or

pressure
plate

Loose

mountings
for

engine
or

power

train

units

CL13
Replace

Replace

Clean
or

replace

Repair
or

replace

Retighten

Synchronizers

I
Remove

spread

springs

j
and

take

out

shifting

inserts@

2

Separate
coupling
sleeve

@
from

synchro
hub

@

0
t
j

@

O
LJ

J
1

ID

4

Synchro
hub

S
Baulk

ring
1

Spread

spring

2

Shifting
insert

3

Coupling
sleeve

TMSOl

Fig
MT
30
Synchronjzer

Assembly

ADAPTER
PLATE

DISASSEMBLY

1
Remove
reverse
idler
shaft

snap

ring
using
snap

ri
1g
pliers
and

draw

out
reverse
idler
shaft

by
lightly

tap

ping
the
shaft

end
with
a

soft
hammer

k

Fig
MT
31

Removing
Reverse

Idler

Shaft
Snap

Ring

REAR

EXTENSION

DISASSEMBLY

I

Remove
lock

pin
nut
and

lock

pin

from

striking
1

lever

Remov

str

iking

lever

TM803

Fig
MT
32

Removing
Lock
Pin

Nut
Manual

Transmission

2

Remove

striking
rod
and

stiking

guide
from
rear

end
of
rear

extension

j

1
Lock

pin

2

Striking
lever

3
Return

spring
plug

4

Con
trollevcr

5

Striking
rod

6

Striking
fod

guide

7
Control
Ie
o
eI

pin

8

Stopper
pin
bolt

INSPECTION

Wash
all

parts
in
a
suitable

cleaning

solvent
and

check
for
wear

damage
or

other

faulty
conditions

CAUTION

a
Be
careful
not

to

damage
any

parts

with

scraper

b
Do
not
clean
wash
or
soak
oil
seals

in
solvent

TRANSMISSION
CASE
AND

REAR
EXTENSION

I
Check

for
cracks
which

might

cause
oil
leak
or
other

faulty
condi

tions

2

Check

mating
surface
of
case
to

engine
or

adapter
plate
for
small
nicks

projection
or

sealant

Remove
all

nicks

projection
or

sealant
with
a

fine
stone

3
If
rear
ext

nsion

bushing
is
worn

or
cracked

replace
it

as
an

assembly
of

bushing
and
rear
extension

BEARING

Thoroughly
clean

bearing
and

dry

with

compressed
air

2

When
race
and
ball
surfaces

are

MT
9
Note
Do

not
remove
rear
extension

bushing
from
rear
extension

@

TM804

Fig
MT
33
Shifting
Mechanism

worn
or
rough
or
when
balls
are

out
of
round
or

rough
replace
bearing

TM372

Fig
MT
34
In

pecting
Ball

Bearing

3

Replace
needle

bearing
if

worn
or

damaged

GEARS
AND
SHAFTS

I

Check
all

gears
for
excessive

wear

chips
or

cracks

replace
as

required

2

Check
shaft
for

bending
crack

wear
or

worn

spline
if

necessary

replace

3
It
is

necessary
to

measure
end

play
before

disassembling
mainshaft

and
after

reassembling
rnainshaft

Tighten
mainshaft
lock
nut
to

speci

fied
limit
and
measure
end

play
to
in

sure
that
it
is

within

specified
limit

If
end

play
is
not
within

specified

limit
disassemble
and
check

parts
for

condition

Replace
any

part
which
is

worn
or

damaged

1
Lock

pin

2

Striking
lever

3
Return

pring
plug

4

Control
lever

5

Striking
rod

6

Striking
rod

guide

7
Control
lever

pin

8

Stopper
pin
bolt

INSPECTION

Wash
all

parts
in
a

suitable

cleaning

solvent
and
check
for
wear

damage
or

other

faulty
conditions

CAUTION

a
Be
careful

not
to

damage
any

parts

with

scraper

b
Do
not
clean
wash
or
soak
oil
seals

in
solvent

TRANSMISSION
CASE
AND

REAR

EXTENSION

1
Check
for
cracks
which

might

cause
oil
leak

or
other

faulty
condi

tions

2
Check

mating
surface
of
case
to

engine
or

adapter
plate
for
small
nicks

projection
or

sealant

Remove
all
nicks

projection
or

sealant
with
a
fine
stone

3
If
rear
extension

bushing
is

worn

or
cracked

replace
it

as
an

assembly
of

bushing
and
rear
extension

BEARING

I

Thoroughly
clean
bearing
and

dry

with

compressed
air

2
When

race
and
ball
surfaces

are
Manual
Transmission

1

TM255A

Fig
MT
97

Shifting
Mechanism

worn
or

rough
or

when
balls
are

out
of

round
or

rough
replace
bearing

TM372

Fig
MT
98

Inspecting
Ball

Bearing

3

Replace
needle

bearing
if
worn
or

damaged

GEARS
AND
SHAFTS

I

Check
all

gears
for
excessive
wear

chips
or
cracks

replace
as
required

2
Check
shaft
for

bendillg
crack

wear
or

worn

spline
if

necessary

replace

3
It
is

necessary
to
measure
end

play
before

disassembling
mainshaft

and

after

reassembling
mainshaft

Tighten
mainshaft
lock
nut
to

speci

fied
limit
and
measure
end

play
to
in

sure
that
it
is
within

specified
limit
If

end

play
is
not
within

specified
limit

disassemble
and
check

parts
for
con

dition

Replace
any
part
which
is

worn

or

damaged

MT
23
Standard
end

play

1
t

gear

0
15
to
0
25
mm

0
0059
to
0
0098
in

2nd

gear

0
15
to
0

25
mm

0
0059
to
0

0098
in

3rd

gear

0
30
to
0
40

mm

0
0118
to
0
0157
in

5th

gear

0
15
to
0

30
mm

0
0059
to
0
0118
in

Reverse
idler

gear

0
15
to
0
40
mm

0

0059
to
0
0157
in

TM256A

Fig
MT
99

Measuring
End

Phly

4
Check
for

stripped
or

damaged

speedometer
pinion
gear
If

necessary

replace

BAULK

RING

I

Replace
any
baulk

ring
which
is

deformed
or

cracked

2
Position
baulk

ring
in

place
on

gear
cone
and
measure
the

baulk

ring
to

gear
clearance
with
baulk

ring

pushed
toward

gear

If
th

clearance
is

smaller
than
the

specified
value

replace
baulk

ring

Standard
baulk

rinltto
cone

dearance

0
80
to
1
65
mm

0
0315
to
0

0650
in

If
it
is
less
than
0
5
mm
0

020
in

a
worn
baulk

ring
may
be
the

cause

and
a
new

ring
should
be
fitted

Manual

Transmission

TROUBLE
DIAGNOSES
AND

CORRECTIONS

Condition

Difficult
to
intermesh

gears

Causes
for
difficult

gear

shifting
are
classi

fie

t
o

ro
lb
c
QncerlJing

coJltr
1

syste

and
transmission
When

gear
shift
lever
is

heavy
and

it
is
difficult

to
shift

gears
clutch

disengagement

may
also
be
unsmooth
First

make
sure

that
clutch

operates
correctly

and

inspect

transmjssion

Gear

slips
out
of

mesh

In

most
cases
this

troubk
occurs
when

check
baD
and
or

spring
is

waIn
or
weaken

ed

or
when
control

system
is

faulty
In

this

case
the
troubk

cannot
be
correct

by

replacing
gears
and
therefore

trouble
shoot

ing
must
be
carried
out

carefuDy
It
should

also
be

noted
that

gear

slips
out
of
mesh
due

to
vibration

generated

by
weakened
front

and
rear

enigne
mounts

Noise

When
noise
occurs
with

engine
idling
and

ceases
when

clutch
is

disengaged
or
when

noise
occurs
while

shifting
gears
it
is

an

indication
that
the
noise
is
from
trans

mission

Transmission

may
rallk

during
engine

idling

Check
air
fuel
mixture
and

ignition

timing

After
above

procedure
readjust
engine

idling
Probable

cause

Worn

gears
shaft
and

or

bearing

Insufficient

operating
stroke
due
to

worn

or
loose

sliding

part

Worn
or

damaged
syncluonizer

Worn

check
baD
and
or

weakened
or

broken

spring

Worn

fork
rod

baU

groove

Worn

or

damaged
bearing

Worn
or

damaged
gear

Insufficient
or

improper
lubricant

Oil

leaking
due
to

damaged
oil
seal
or

sealant

clogged
breather

etc

Worn

bearing
High
humming
occurs
at
a

high

speed

Damaged
bearing
Cyclic
knocking
sound

occurs
also
at
a
low

speed

Worn

spline

Worn

bushing

MT34
Corrective
action

Replace

Repair
ClI

replace

Replace

Replace

Replace

Replace

Replace

Add
oil
or

replace
with

designated
oil

Clean
or

replace

Replace

Replace

Replace

Replace
as
a
rear
ex

tension

assembly