1979 DATSUN 210 height

DATSUN
210
Model
8310
Series

SECTIONCL

CLUTCH

CONTENTS

ADJUSTMENT

CLUTCH
PEDAL
HEIGHT

CLUTCH
PEDAL
FREE

TRAVEL

BLEEDING
CLUTCH
SYSTEM

CLUTCH
CONTROL

CLUTCH
PEDAL

CLUTCH
MASTER
CYLINDER

OPERATING
CYLINDER

CLUTCH
LINE

CLUTCH
UNIT

CLUTCH
DISC
AND

COVER
CL
2

CL
2

CL
2

CL
2

CL
3

CL
3

CL
4

CL
5

CL
6

CL
7

CL
7
RELEASE

BEARING

PILOT
BUSHING

SERVICE
DATA
AND

SPECIFICATIONS

GENERAL
SPECIFICATIONS

INSPEctiON
AND
ADJUSTMENT

TIGHTENING
TORQUE

TROUBLE
DIAGNOSES
AND

I

ECTIONS

SPECIAL

SERVICE
TOOLS
CL
8

CL
9

CL
10

CL
10

CL10

CL
11

CL
12

CL
14

CLUTCH
PEDAL

HEIGHT

I

Adjust
clutch

pedal
height
H
to

the

specified
range
with

pedal
stopper

adjusting
nut
Then

tighten
lock
nut

CD

2

Adjust
clutch

pedal
free

play
A

to
the

specified
range
at

pedal

pad

with
clutch
master

cylinder
push
rod

Then

tighten
lock
nut

@

Note

a

Pedal
free

play

appeared
due
to

clearance

among
pedal
hole

push

rod
and

piston
should
be

measured

on

top
face
of

pedal
pad

b

Depress
and
release
clutch

pedal

over
its
entire
stroke
to
ensure
that

the
clutch

linkage

operates
smooth

ly
without

squeak
noise

inter

ference
and

binding

I

I

Lock
nut

2

Lock
nut

Cl325

Fig
CL
I

AdjlUting
Clutch

Pedal

Height

Pedal

height
H

143

to
149

mm
5

63
to
5
87
in

Pedal
free

play
An

1

to
5
mm

0
04

to
0

20
in
Clutch

ADJUSTMENT

tfl
Tightening
torque

Lock
nut

CD

0
8

to
1
2

kg
m

5
8
to
8
7

ft
Ib

Lock
nut

@

0
8
to
1

Icll
m

5
8
to
8
7
ft

lbl

CLUTCH
PEDAL

FREE
TRAVEL

Adjust
clutch

pedal
free
travel

whenever
clutch
does
not

disengage

properly
or
whenever
new

clutch

parts
are

i
lslalled

I
Loosen
lock

nut
and

push
nut

djust
length
of

push
rod

by
turning

p
lsh
rod
with

open
end
wrench

until

release

bearing
lightly
touches
clutch

dia

phragm

spring

2

Then
turn

push
rod
back

approxi

mately
I

4
turns
so
that
withdrawal

lever

play
B

clearance
between

withdrawal
lever

push
nut
and
with

drawal
lever

is
within
the

specified

range

V

@

1
B

I

Lock

nut

2
Push
nut

3

Withdrawallcver

CL327

Fig
CL

2

AdjlUting
Clutch

Pedal

Free

Trauel

3

Tighten
lock
nut

against
push

nut

being
careful
not
to
disturb
the

adjustment

4

Depress
and
release
clutch

pedal

several
times

then
recheck

with

drawal

lever

play
B

Readjust
if

necessary

5

Finally
measure

pedal
free
travel

C
at
center
of

pedal
pad

CL
2
Withdrawalle

er
play
nBn

clearance
between
withdrawal

I
er

push
nut
and
withdrawal

le
erl

1
0

to
2
0

mm

0

039
to

0
079
in

Clutch

pedal
free

tr
el
en

at
center
of

pedal
pad

16to33
mm

0
63
to
1
30
in

BLEEDING
CLUTCH

SYSTEM

The

hydraulic
clutch

system
must

be
bled
whenever

clutch
line
has
been

disconnected
or
air
has
entered
it

When

pedal
action
has
a

spongy

feeling
it
is
an
indication
that
air
has

entered
the

system

Bleeding
clutch

system
is

an
essen

tial

part
of

regular
clutch
service

I
Remove

cap
of
reservoir
and

top

up
with
recommended
brake
fluid

2

Thoroughly
clean
mud
and
dust

from
bleeder
screw
of

operating
cyl

inder

so
that
outlet
hole

is
free
from

any

foreign
material
Install
bleeder

hose

vinyl
hose
on
bleeder
screw

Place
the
other
end
of
it
in

a

container

filled
with
brake
fluid

3
Have

a
co
worker

depress
clutch

pedal
two
or

three
times

With
clutch

pedal
depressed
fully
loosen
bleeder

screw

to
bleed
air
out
of
clutch

sys

tem

4
Close
bleeder

screw
quickly
as

clutch

pedal
is
on
down
stroke

5
Allow
clutch

pedal
to
return

slowly
with
bleeder

screw
closed

6

Repeat
steps
3

through
5
until
no

air

bubble
shows
in

the

vinyl
hose

tfl

Tightening
torque

Bleeder
screw

0
7

to
0
9

kg
m

5
1

to
6
5
ft

lbl

7

Depress
and
release

clutch

pedal

several
times
then

check
for

external

hydraulic
leaks
at

connections

INSPEctiON

Check
clutch

pedal
parts
for
the

following
items

correcting
neces

sary

I
Bent

pedal

2

Weakened
return

spring

3
Worn

or
deformed
clevis

pin
and

fulcrum

bwhings

4

Cracks
at
welded

part

INSTAl1
ATION

To
install
clutch

pedal
reverse
the

order
of
removal
Observe
the
follow

ing

I

Apply

coating
of
recommended

multi

purpose
grease
to

sliding
por

tions
and
return

spring

Lt
of

I

ii

CL352

Fig
CL
5

Lubricating
Point

2
Fit
return

spring
in
hole
in

pedal

bracket
and

securely
fit
E

ring
in
slit

of
fulcrum

pin

3
Insert

clevis

pin
through
clutch

pedal
from
left

to

right
side

4

After

installing
clutch

pedal

check
the

clutch

pedal
height

AdjUst

if

necessary
Refer
to

Adjwtment

CLUTCH

MASTER

CYLINDER

REMOVAL

I
Remove

snap
pin
from

clevis

pin

2
Pull

out
clevis

pin

3
Disconnect
clutch
tube
from
mas

ter

cylinder

4

Remove
master

cylinder
Clutch

CAUTION

When

disconnecting
clutch
tube
use

suitable
flare
nut
wrench

Never
use
an

open
end
wrench
or

adjus1able
wrench

DISASSEMBLY
Note
When

disconnecting
dutch

tube
be
sure
to
receive

draioillll

clutch
fluid
into

a
container
Use
of

rags
is
also

suggested
to

keep

adja

cent

parts
and
area

clean

@

@

1
Reservoir
cap
6

Return

prina
11

Primary
cup
16

StOppel
rins

2
Reservoir
7

Sprina
seat
12
Piston
17
Dust
cover

3
Rescrvou
band

8
Valve

sprina
3

Secondary
cup
18
Lock
nut

4

Cylinder
body
9

Supply
valve
rod

14
Push
rod

5

Supply
yalYe
stopper
10

Supply
valve

15

Stopper

CL345

Fig
CL
6
Clutch
Mcuter

Cylind
r

I
Remove
dwt
cover
and
take
off

stopper
ring
from

body

2
Then
the

push
rod
and

stopper

can
be
taken
out

3

Loosen

supply
valve

stopper
and

take
it

out

4
The

piston
spring
seat
and
reo

turn

spring
can
be
taken
out

Note
Discard

piston
cup
and
dust

cover

CAUTION

Never
detach
reservoir
If

it
is
removed

for

any
reason

discard
it
and
instill

new
one

CL
4
INSPECTION

CAUTION

To
clean
or
wash
all

parts
of
masler

cylinder
clean
brake
fluid
must
be

used
Never
use
mineral
oils
such

as

gasoline
and
kerosene
It
will
ruin
tha

rubber

parts
of
tha

hydraulic
syslBm

I
Check

cylinder
bore
and

piston

for
score
or
rust
and
if
found

replace

2
Check

cylinder
bore

and

piston

for
wear
If
the

clearance
between

cylinder
bore
and

piston
exceeds
the

specified
value

replace
piston
assem

bly
or
master

cylinder
assembly

3

Check
the
condition
of

piston

cup
and
dust
cover

Always

replace

them
after

disassembly

4
Check

all
recesses

openings
and

internal

passages
to

ensure
that

they

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

3

Check
disc

plate
for
runout
when

ever
the
old
disc

or
a

new
one
is

installed

4
If
runout
exceeds
the

specified

value
at
outer
circumference
of
fac

g

replace
or

repair
disc

Runout
limit

ltotal
indicator

reading

Less
than
0
5

mm
0
020
in

R
from
hub

center

85

mm
3
35
in

CAUTION

When

repairing
disc

plate
never
hold
it

forcibly
with

pUers
or
bend
it
exces

sively
otherwise

facing
will
be
dam

aged

CL112

Fig
CL

12

Repairing
DiM
Runout

5
Check
fit
of
disc
hub
on
transmis

sion
main
drive

gear

splines
for
smooth

sliding
If

splines
are
worn
clutch
disc

r
main

drive

gear
should
be

replaced

that

is
backlash
exceeds
the

specified

value
at
outer

edge
of

clutch
disc

Backlash

Less
than
0
4
mm

0
016

in

Clutch
cover
a

embly

I

Check
the
end
surface
of
dia

phragm
spring
for
wear
If
excessive

wear
is
found

replace
cluich
cover

assembly

2

Measure

height
of

diaphragm

springs
as
outlined
below

I

Place
Distance
Piece

ST20050100
on

Base
Plate

ST20050010

and
then

tighten
clutch

cover

assembly
on
base

plate
by

using

Set
Bolts
ST20050051
Clutch

ST200S0051

snOO50100

snoo
500
10

re1

F
A

J

eLlSl

Fig
CL
J3

Measuring
H

ight
of

Diaphragm
Spring

2

Measure

height
A
at

several

points
with

a
vernier

caliper
depth

gauge
If

height
A

of

spring
end
is

beyond
the

specified
value

adjust

spring
height
with

Diaphragm
Ad

justing
Wrench
ST20050240

as

sh
1wn

in

Fig
CL
I4

Diaphragm
spring

height
A

29

0
to
31
0

mm

1
142

to
1
220
in

If

necessary
replace
clutch

cover

assembly
Also
unevenness

of
dia

phragm

spring
toe

height
should
be

within
the

specified
limit

Unevenness
of

diaphragm
spring

toe

height

Less

than
0

5
mm
0
020
in

CL152

Fig
CL
I4

Adjusting
Spring

Height

3

Inspect
thrust

rings
for
wear
or

damage
As

these

parts
are

invisible

from
outside

shake
cover

assembly

up

and
down

to

listen
for

chattering

noise

or

lightly
hammer
on
rivets
for
a

slightly
cracked
noise

Any
of
these

noi

s
indicates

need
of

replacement
as

a

complete
assembly

INSTALlATION

I

Apply
a

light
coat
of

grease
in

cluding

molybdenum
disulphide
to

transmission
main
drive

gear
splines

Cl
8
Slide
clutch
disc
on
main
drive

gear

several
times
Remove

clutch
disc
and

wipe
off
excess
lubricant

pushed
off

by
disc
hub

Note
Take

special
care
to

prevent

grease
or
oil
rrom

getting
on
clutch

racing

2

Reinstall
clutch
disc
and

clutch

cover

assembly
Support
clutch
disc

and

cover
assemblies
with
Clutch

Aligning
Bar
ST20610000

4
speed

transmission
or
KV30100IOO
5

speed
transmission

Note
Be
sure

to

keep
disc

racings

flywheel
and

pressure
plate
clean

and

dry

KV30100100

5
peed

transmission

ST20610000

4

speed

trammisaion

CL32

Fig
CL
I5
Installing
Clutch

Diac
and

Cover

Aaembly

3

Install
bolts
to

tighten
clutch

cover

assembly
to

flywheel

squarely

Each

bolt
should
be

tightened
one

turn
at

a
time
in

a
crisscross
fashion

ifJ

Tightening
torque

Clutch
cover
bolt

1
6
to
2
1

kg
m

12
to
15
ft

Ibl

N

te
Dowels

are
used
to
locate

clutch

cover
on

flywheel

properly

4

Remove

clutch

aligning
bar

5

Reinstall
transmission

Refer
to

Installation

Section
MI

RELEASE
BEARING

REMOVAL

1

Remove
transmission
from
en

gine
Refer

to
Removal
Section
MI

2
Disconnect

return

spring
from

bearing
sleeve

3

Remove

release

bearing
and
sleeve

as
an

assembly
from
transmission

case

front
cover

4
Take
clutch
release

bearing
out

from

bearing
sleeve

using
a
universal

puller
and
a

suitable
adapter

Fig
CL
16
Di8auembling
Release

Bearing

INSPECTION

Check
for
abnormal

wear
on
COD

tact
surface
of
withdrawal
lever
ball

pin
and

bearing
sleeve

Hold

bearing
inner

race
and
rotate

outer
race
while

applying
pressure
to

it
If
the

bearing
rotation

is

rough
or

noisy
replace
bearing

INSTALLATION

1

Assemble
release

bearing
on

sleeve

using
a

press

Note
Do
not

depress
outer
race

i

L

Cl117

Fig
CL

17
nstalling
Release

Bearing

2

Before
or

during

assembly
lubri

cate
the

following
points
with
a

light

coat
of
multi

purpose
grease

eve

nner
1groove
of
release

bearing

Pack
this
reces5

4

CL093

Fig
CL

IB

Lubricating
Rece
of

Bearing
Sleeve
Clutch

2

Contact
surfaces
of
withdrawal

lever
lever

ball

pin
and

bearing
sleeve

3

Bearing
sleeve

sliding
surface
of

transmission

case
front
cover

C1195

Fig
CL
19

Lubricating
Points

of

Withdrawal
Lever

Bearing
Sleeve
and

Front
Cover

4
Transmission
main
drive

gear

splines
Use
grease
including
molybde

num

disulphide

Note
A
small
amounl
of

grease

should
be
coated
to
the
above

points
If
too
much
lubricant
is

applied
it
will
n
out
on
the

friction

plates
when
hot

resulting

in

damaged
clutch
disc
facings

3
After

lubricating
install
with

drawallever
release
bearing
and

sleeve

assembly
in

position
Connect
them

with
return

spring

1
Return

spring

2
Release

bearing

3
Withdrawal1cver

CL196

Fig
CL
20
Installing
Release

Mechanism

4

Reinstall
transmission
Refer

to

Installation
Section
MT

PILOT
BUSHING

REMOVAL

1

Remove
transmission
from

en

gine
Refer
to

Removal
Section
MT

2

Remove
clutch
disc
and
cover

assembly
Refer

to
Clutch

Disc
and

Cover
for

removal

CL
9
3
Remove

pilot
bushing
in

shaft

by
Pilot

Bushing

KVI0102800

KV10t02800
crank

Puller

Fig
CL
21
Removing
Pilot

Bushing

INSPECTION

Check

pilot
bushing
for
fit
in

bore

of

crankshaft

Check
inner
surface
of

pilot
bush

ing
for
wear

roughness
or
bell

mouthed
condition
If

pilot
bushing
is

worn
or

damaged
replace
When
bush

ing
is

damaged
be
sure

to
check

transmission
main
drive

gear
at
the

same
time

INSTALLATION

1

Before

installing
a
new

bushing

thoroughly
clean

bushing
hole

2
Install

pilot
bushing
so
its

height

A
above

flange
end
is

the

specified

value

Bushing
need
not

be
oiled

Pilot

bushing
inserting

distance
A

2
8

mm
0
110
in

Note
When

inserting
pilot
bushing

be
careful
not
to

damage

edge
of

pilot
bushing

A

EM719

Fig
CL
22

Installing
Pilot

Bushing

3

Install
clutch
disc
and
clutch

cover

assembly
Refer
to
Clutch
Disc

and

Cover
for
installation

4

Install

transmission
Refer
to

In

stallation

Section
MT

Clutch

SERVICE
DATA
AND

SPECIFICATIONS

ENERALSPECIFICATIONS

Clutch
control

system

Type
of
clutch
control

Clutch
master

cylinder

Diameter

Clutch

operating
cylinder

Type

Diameter

Clutch
disc

Type

Facing
size

Outer
dia

x
Inner
dia

x
Thickness

Thicmess
of
disc

assembly

Free

Installed

Number
of
torsion

springs

Clutch
cover

Type

FuU
load
Hydraulic

mill
in
15
88

mm
in
Adjustable

1746

180CBL

mrn
in
180
x
125
x
3
5

7
09
x
4

92
x
0
138

mm
in

mm
in
8
5
to
9
2
0
335
to
0
362

7

6
to
8
0
0
299
to
0
315

6

kg

Ob
CI80S

335
to
385
739
to
849

INSPECTION
AND
ADJUSTMENT

Clutch

pedal

Pedal

height
H

Pedal
free

play
A

Withdiawallever

play
B

Pedalfree
travel
C

Clutch
master

cylinder

Maximum
clearance
between

cylinder
bore
and

piston

Clutch

operating
cylinder

Maximum
clearance
belween

cylinder
bore
and

piston

Clutch
disc

Wear
liinit
of

facing

Depth
of
rivet

head
below

facing
surface

Runoullimit

Distance
of

runout

checking
point

from
the
hub

center

Maximum
backlash

of

spline

at
outer

edge
of

disc
mm
in

mm
in

mm
in

mm
in
143
to
149
5

63
to

5
87

1

to
5

0
04
to
0

20

1

0
to
2

0
0
039
to
0
079

16
to
33
0
63
to
1
30

mm
in

Less
than
0
15
0
0059

mm
in

Less
than
0
15
0
0059

mm
in

mm
in
0

3
0
012

0
5
0
020

mm
in
85

3
35

mm
in

0
4
0
016

CLIO

Clutch

Clutch
cover

Diaphragm
spring
height
mm
in

Unevenness
of

diaphragm
spnng
toe

height
mm
in
29
0

to
31

0
1
142
to
1
220

Less
than
O
5
0
020

TIGHTENING
TORQUE

Pedal

stopper
lock
nut

Master

cylinder
push
rod
lock

nut

Operating
cylinder
push
rod

lock
nut

Operating
cylinder
bleeder
screw

Master

cylinder
to

dash

panel
securing

nut
kg
m
ft
lb

Clutch
tube
flare
nut

kg
m

ft
Ib
kg
m
ft
b

kg
m

ft
Ib

kg
m

ft
b

kg
m
ft
b
0
8

to
1
2
5

8
to
8

7

0
8
to
1
2
5

8
to
8
7

0
8

to
1
2
5
8
to
8
7

0

7
to
0
9
5
1

to
6
5

0
8

to
1
2
5

8
to
8
7

1
5

to
1
8
11
to

13

Operating
cylinder
to
clutch

housing

securing
bolt

Qutch
hose
to

operating
cylinder

Qutch
cover
bolt
kg
m
ft

lb

kg
m
ft
Ib

kg
m

ft
Ib
3
1

to
4
1
22
to
30

17

to
2
0

12
to
14

1

6
to
2
1

12
to
15

CL
11