DATSUN B110 1973 Service Repair Manual

CLUTCH

When
the

adjusting
nut
is
returned

I
1
4
turns
the

withdrawal
lever
end
is
returned

to
1
0

to
2
0

mm
0
0394

to
0
0787
in

and
clearance
between
the

release

bearing

and

diaphragm
spring
fingers
becomes
0
7
to
I
4
mm

0

0276
to
0
0551
in

9

@

t

O
to

2
0

0
0394
to
0
0787

Unit
mm
in

I
i

I
I
I
Release

bearing

Diaphragm
spring
Lock
nu
t

Adjusting
nut

Withdrawal
lever

Fig
CL
23

Adjusting
withdrawal
lever

play

Mechanical
clutch

Adjust
the

clutch

control
cable

adjust
nut
so

that

play

at
the
withdrawal
lever

end
is
3
0

to
4
0
mm
0
1181

to

0

1575
in

and

securely
tighten
the

lock
nut
Clearance

between
the

release

bearing
and

diaphragm
spring

fingers

will
become
0
9

to
1
2

mm
0
0354
to
0

0472
in
3
0

to
4
0

0
1181
to
0

1575

@

0
9
to

1
2

I
0
0354

to
0

0472

1

j

E

1

Unit
mm
in

I
I
I
I
Diaphragm
spring

Clutch
control
cable
Withdrawal
lever

Release

bearing

Fig
CL
24

Adjusting
withdrawal
lever

play

BLEEDING
CLUTCH
SYSTEM

Hydraulic
clutch

1
Remove
the
bleed

screw
dust

cap
from
the

operating

cylinder

2

Open
the
bleed
screw

approximately
three

quarters

of
a
turn
Attach
a
tube

immersing
the

open
end
into
a

clean
container
which
contains
a
small

amount
of
brake

fluid

3
Fill

the
master

cylinder
reservoir
with
the
recom

mended
fluid

4

Depress
the

clutch

pedal
quickly
while

keeping
it

down

retighten
the
bleed

screw
and
allow
it
to

return

slowly
Repeat
this

pumping
action

until
the
fluid

entering
the
container
is

free
from
air

bubbles

5
Screw

up
the
bleed
screw

on
a
down

stroke
of
the

pedal
remove
the

bleed
tube

and

replace
the
dust

cap

CL
11

CHASSIS

SERVICE

DATA
AND

SPECIFICATIONS

Clutch
release

lever

Release

bearing
ta

diaphragm
spring

withdrawal
lever
clearance

Diaphragm

spring
to

flywheel
height

Gutch
disc

Facing
size

Outer

dia
x
inside
dia

x
thickness

Total

friction
area

Thickness

of
disc

assembly

Free

Compressed

Number
of
torsion

spring

Allowable
minimum

depth
of
rivet

head

from

facing
surface

Allowable

facing
run

out

Allowable

free

play
of

spline

Clutch

pedal

Pedal

height
when
not

depressed

Free

travel
of

pedal
head

Pressing

strength
at
full
stroke

Master

cylinder
clutch

Master

cylinder
diameter

Allowable
maximum
clearance

between

cylinder
and

piston
Hydraulic
clutch

0
7

to
I
4
mm

0
0276
to

0
055
in

29

to
31

mm

I
142
to
1
220
in

180
x
125
x
3
5
mm

7
09
x
4
92

x
0
140
in

264
cm2
40
92

sq
in

7
6
to
8

0
mm

0
2992

to
0
3150

in

6
7
to
7

0
mm

0

2638
to
0
2756
in

6

0
3

mm
0
0118
in

0
5

mm
0
0197
in
at

radius
85
mm
3
346

in

0
4

mm
0
0157
in

141
5
mm
5
57
in

30

mm

J
181
in

10
8

kg
23
8
Ib

15

87
mm
5
8
in

0
15

mm
0
0059

in

CL12
Mechanical
clutch

0

9
to
I
2
mm

0
0354
to
0
0472
in

136
5
to
146
5
mm

5

4
to
5
8
in

II
to

15mm

0
433
to
0
591
in

8
3

kg
18
31b

CLUTCH

Operating
cylinder
clutch

Operating
cylinder
diameter

T
Ilhtening
torque
19
05
mm
0
750
in

Clutch

assembly
securing
bolt
1
5
to
2
2

kg
m

10
8
to
15
9

ft
Ib

TROUBLE
DIAGNOSES
AND

CORRECTIONS

Condition

Noises
audible

on

pedal

depression

Noises
audible

on

pedal
release
Probable
cause

Excessively
worn

damaged
or

poorly
lubri

cated
release

bearing

Seized
release

bearing
and

diaphragm

spring

fingers

Insufficient

pedal
free
travel

Weakened

unhooked
or
broken
clutch

pedal

return
and
control

springs

Weakened
clutch
withdrawal
lever
return

spring
broken
or
unhooked

Excessive

play
between
clutch
disc
hub
and

drive
shaft

spline

Misalignment
of
clutch
disc
to

flywheel

causes

slight
movement
of

disc
hub
in

respect
of

facings

This
noise
is

especially
audible
with

engine

idling
or

at
low

speed

Broken
or
weakened
clutch
disc
cushion

springs

Insufficient

pedal
free
travel

Weakened
unhooked
or
broken
clutch
con

trol
and

pedal
return

prings

CL
13
Corrective
action

Replace
the

bearing
which

being
cased

cannot
be

greased
inside

Replace
the
release

bearing
Clean

diaphragm

spring
fingers
with
metal
brush
and
smooth

out

bearing
contact
faces
with
felt

polishers

Readjust
pedal
free
travel

correctly

Set

springs
in

position
or

replace
them
if

weakened
or

snapped

Replace
the

spring
or
hook
it

up
as

required

Replace
the
clutch
disc
and

ensure
that

clearance
between

hub
of
new

clutch
and

drive
shaft
is

within
0
50
mm
0

0197
in

endwise
and
0

20
mm
0

0079
in
crosswise

When
clearances
exceed
above
limits

replace

the
drive
shaft
also

Set
level
of
clutch
disc
with
clutch
disc
in

place
on

drive
shaft
set
it
under

slight

rotation
and
check
for
no
run

out

using
a

scriber

Replace
the
clutch
disc

Set

pedal
free
travel

correctly

Check
the

springs
for
correct

position
and

replace
them
if

necessary

The
clutch

drags
CHASSIS

Weakened
broken

ur
unhooked
clutch
with

drawallever
return

spring

Distorted
or
worn
drive

shaft

Excessive

play
of
release

bearing
on

slip

sleeve

Insufficient

push
rod

length

Excessive

pedal
free
travel

Warped
clutch
disc

Roughened
linings

Improperly
fitted
loose
or

broken

lining

Incorrect
release

bearing
to
diaphragm

spring

fmger
clearance

Clutch
disc
hub

forcing
on
drive
shaft

Damaged
drive

shaft

splines
prevent
the

clutch
disc

from

sliding

Oil
or

grease
on

linings

Warped
or

damaged
pressure
plate
or

clutch

cover

Air

pockets
in
the

hydraulic
system
not

bled

correctly

Dirt
or

foreign
matter
on

sealing
faces
of

master

cylinder
piston
cup

Air

pockets
in
master

cylinder
due
to
loose

piston

Fluid

leakage
from
cylinder

Low
fluid
level
in
reservoir

CL14
Replace
the

spring
or
hook

it

up
as

required

Replace
the
drive
shaft

and
clutch
disc
if

necessary

Replace
the
worn

parts

Adjust
the

push
rod

length
correctly

Adjust
free
travel
correctly

Set
level
of
clutch
disc
if

possible

Maximum

plate
run
out
0
25

mm
0

0098

in

Repolish
linings
with

a
metal
brush
or

replace
them
if

necessary

Replace
linings
Lining
rivets

should
be

clenched
with

no

protrusion
to
avoid

damaging

pressure
plate
and

flywheel

Adjust
correctly

Locate

cause
of
trouble
and

remove
it
if

possible
Otherwise

replace
the
clutch
disc

Replace
the
drive

shaft
also
the
clutch
disc

if

required

Locate
the
cause
of
oil
or

grease
leakage
and

correct
it
as

required

Clean
or

replace
linings

Replace
defective

parts

Bleed
out

completely

Clean

replace
piston
cup
if

damaged
and

bleed
the

system

Replace
piston
cup
and
bleed
the

system

Replace
piston
cup
if

damaged
bleed
the

system

Top
up
with
brake

fluid
and
bleed
the

system
if

necessary

CLUTCH

Clogged
vent
hole
in
reservoir

cap
promotes

vacuum

in
master

cylinder

allowing
air

to

inf1ltrate

past
the
seal

Abnormal

lining
wear

Insufficient

pedal
free
travel

The
clutch

grabs

The
clutch

slips
Driver

steps
unnecessarily
on

pedal
this

causes
lin

jog
wear

and

damage
to
release

bearing

Weakened

or

snapped
pressure
springs

Incorrectly
installed

linings

Oil
or

grease
on

flywheel
pressure
plate
and

linings

Loose

disc

linings
due

to

poor
rivet

tightness

Clutch
disc

hub
does
not

slide

freely
on

drive
shaft

spline

Warped
or
cracked

pressure
plate

Misalignment

Stiffened

hydraulic
control
mechanism

Wom
out

lining

Insufficient
clutch

pedal
return

travel
due

to
the
control
and

pedal
return

springs
being

weak
or

misadjusted

Weakened
or
broken

diaphragm
spring

Oil
or

grease
on

linings

eLl5
Clean
reservoir

cap
unclog
the
vent

hole
and

bleed

the

system

Adjust
clutch

pedal
free
travel

correctly

Advise
driver

to
discontinue

wrong

practice

and

step
on

clutch

pedal
only
when
ne

cessary

Check

pressure
springs
for
tension
as

speci

fied
and

replace
springs
if

they
are

unserviceable

Replace

linings
with
new
ones

and
install

them

correctly
Check
clutch
disc
for
center

alignment

Remove
cause

of

leakage
clean

flywheel
and

pressure

plate
thoroughly
replace
linings

If

linings
are
not
worn

replace
defective

rivets

Otherwise

replace
linings
and
clench

rivets

securely

Remove

any

foreign
matter
or

dirt

deposits

from
shaft

splines
When
trouble
is

still

present
replace
damaged
parts

Replace
pressure

plate

Locate
the
defective

point
and
if

possible

adjust
alignment
or

replace
distorted

parts

Check

spring
tension

If

necessary
take

down

pedal
and

lubricate

components

Install
new

linings
and

make
sure
tha

t
the

clutch

disc

pressure
plate
and

flywheel
are

not

damaged

Locate

cause
of
failure
and

replace
defective

springs

Overhaul
clutch
and

replace
springs

Remove
cause
of

leakage
and

replace
linings

if

cleaning
is

ineffective

DATE
CHASSIS

Worn
or

burned
disc

linings

Overloaded
master

cylinder
due
to
a

restricted
transfer

port
Replace
linings

Overhaul
the

master

cylinder
replace
the

piston
cup
if
swollen
or

damaged
and
clean

the
transfer

port
bleed
the

system

SERVICE

JOURNAL
OR
BULLETIN
REFERENCE

JOURNAL
or

BULLETIN
No
PAGE

No

CL16
SUBJECT

DATSUN

1200

MODEL
B

110
SERIES

I
NISSAN

I

NI

SSAN
MOTOR
CO
LTD

TOKYO
JAPAN
SECTION
TM

TRANSMISSION

TRANSMISSION

TRANSMISSION

GEAR

CONTROL

THREE
SPEED

TRANSMISSION

SERVICE
DATA
AND

SPECIFICATIONS

TROUBLE
DIAGNOSES
AND

CORRECTlDNS
CI

if

TM
l

TM
16

TM

19

TM

20

TM
22

4

TRANSMISSION

TRANSMISSION

CONTENTS

DESCRIPTION

Specifications

REMOVAL

DISASSEMBLY

INSPECTION

Transmission
case

and
rear

extension

Bearing

Gear
and
shaft
TM
l

TM
l

TM
2

TM
4

TM
7

TM
7

TM
8

TM
8

DESCRIPTION

Three

speed
and
four

speed
manual
transmission

are

available

for
BJ
10
series

Specifications

Model

Item

Finalgear
atio

Type

Control

ystem

nd

J
d

4th

Rever

Speedometer
gear
aHo

Oil

apacity
TM
8

TM
9

TM
9

TM
9

TM
9

TM
9

TM

9

TM
l0

TM

16
Synchro
hub
thrust
washer

Baulk

ring

Shilting
insert

Oil
seal

Rear

engine

mounting
insulator

REASSEMBLY

AND
ADJUSTMENT

Selecting
counter

bearing
thrust
washer

Main
shaft

REINSTALLATION

This

chapter
describes

mainly
about
the
four

speed

manual
transmission

811O
5
U

8110
5
RU

VBIIO
S
U

3
900

R3W56L

Steering
olumn
shift

3
380

1
734

1
000

3
640

17
5

18
5
for
Van

I
2l
2

1
2
U
S

pl

1
8

Imp
pc

TM
l
BIIO
S
TU

LB110
S
T

BllO
5
TRU

DUlO
5
TR

L8110
TRU

L8110
TRN

VBllO
S
TU

VLBllO
5
T

VBllO
SIRU

VLBllO
SIR

VLBllO
TR

KBIIO
U

KLBllO

KLBllO
U

KLBI
O
N

3
900

F4W56L

Floor
shift

3
757

69

1
404

1

000

3
640

17
5

18
5
for
Van
i
r

i

1
2
t
2
1
2
U
S

pt

IJ8Imp
pt

l
OC

t

1

I
t

y
y

dt

k

J

t

i
r

CHASSIS

25T31T
31T

19Ti
r

n

1
I

l111
0

ILJULj

I
J
ll
J

j
Ll

Jd

c

C
J

13TF

t4T

iST
22T

p

3

t7T
J

3T27T
31T

1
T

l

Jpflh
I

I
I

r

1
II

AE

j
t

I

r
t

L

8
I

U
b
J

251
9T

29T
I
I

T

13T

l

Fig
TM
l
RJW56

gear
train
Fig
TM
2
F4W56

gear
train

The
transmission
assembly
consists
of

transmission
case

which
contains

gear
assembly
and
rear
extension

The
cast
iron

adapter
plate
supports
each
end
of
the

main
shaft
counter
shaft

and
reverse
idler
shaft
and

front
side
of
the
transmission
case

supports
the
other
ends

Moreover
the
rear
extension

supports
the
main
shaft

rear
end

The

gear
assembly
can
be
disassembled
with
the

gear

assembly
installed
on
the

adapter
plate

j

I

a
JI
I
Ir

I
i

iiffq

J

1

f
Fi
1
1
1

J
F4h
56
transmission

REMOVAL

When

dismounting
the

transmission
from
the
vehicle

j
the
following
instructions

ER

Engine
Removal
apply
Refer
to
the
section

TM
2

TRANSMISSION

I

Jack
up
the
vehicle
and

support
it
with
four
stands

If
available
recommend
a

hydraulic
hoist
or

open
pit
be

utilized

2

Disconnect
the
front
exhaust
tube

D
from
the

exhaust
manifold

Fig
TM
4
Underside

of
vehiJ
1e

3
Remove
the

propeller
shaft

@
by
removing
four

securing
bolts
from
the

companion
flange
of
the

gear

carrier
Seal
the
end
of
the
rear
extension

housing
to

prevent
oil

leakage

Fig
TM
5

Removing
propeller
haft
4
Disconnect
the

speedometer
drive
cable

ID
and

back

up
lamp
switch
cable
from
the
transmission
ex

tension
housing

s
Disconnect
the
shift
rods
from
the

shift
levers

by

removing
the
cotter

pin
and
remove
the
cross
shaft

assembly
@
from
the
transmission
case

r

J
f

f

1

I
Speedometer
cable

I
2

I
Cotter

pin

Fig
TM

6

Disconnecting
speedometer
cable

and
remote

controllinkag

6

hydraulic
clutch
control

Remove
the
clutch

operating
cylinder
from
the

clutch

housing

7
mechanical
clutch
control

Disconect
the
clutch
control
cable
from
the
withdrawal

lever

1

1
Withdrawal
lever
2

I
Clutch
control
cable

Fig
TM
7

Disconnecting
clutch
control
cable

8

Support
the

engine
with

ajack
placed
under
the
oil

pan
Do
not
loca

1
f
nder
the
oil

pan
drain

plug

I

i
l

TM
3