Transmission DATSUN B110 1969 Service Repair Manual

lI
I

DATSUN
1200

RANGE
1971
1973

MAINTENANCE
REPAIR

BY
DRAKE
AUTOMOTIVE
EDITORS

Quick
Referencelodel

MAINTENANCE
TUNE
UP
5

STEERING
89

ENGINEERING
13
REAR
DRIVE

ELECTRICAL
SYSTEM
35
SUSPENSION
93

IGNITION
SYSTEM
43
CLUTCH
99

FUEL

SYSTEM
49
TRANSMISSION
103

COOLING
SYSTEM
63
BODY
WORK
111

BRAKES
67
SPECIFICATIONS
129

FRONT
SUSPENSION
83

The

purpose
of
this
manual
IS
to

provide
the
automobile
owner
and
mechanic
with

a
reference
source

with
which
he
can

perform
normal
service

operations

We
endeavor
to

lOcorporate
the

latest
manufacturing

design
changes
and
up
to
date

specifications
at

the
time

of
publication
While
every
effort
IS
made
to
attain
accuracy

the
Publisher
cannot
be
held

responsible
for

manufacturing
changes
typographical

errors
or

omiSSions

Upon

compIling
the

information
contained
herein
we
have
tried
to
be
brief
and

Simple
relvlng
on

the
combination
of

photographs
Illustrations
and
text
to

make
thIS
manual
a

useful
tool

DRAKE

PUBLISHERS
INC

361
PARK
AVENUE
SOUTH

NEW
YORK
NY
10016

able
of

Contents

MAINTENANCE
TUNE

UP

DIsassembly
32

InspectIOn
RepaIr
33

VALVE

CLEARANCES
6

AdJustmg
Regulator
33

ENGINE

OIL

6

Assembly
33

OIL
FILTER

7

COOLANT
7

COMPRESSION
7

ELECTRICAL
SYSTEM

BATTERY

8

IGNITION
TIMING

8
STARTER

36

DIstributor

Breaker
Pomt

9
Removal

37

Condenser

9

InstallatIOn
37

Spark

Plugs
9
Trouble

Shootmg
37

Carburetor

9

ALTERNATOR

36

Idle
LImIter

Cap

10

Removal

37

Dash

Pot
automatic
transmISSIOn

11
InstallatIOn

37

model

only

11
REGULATOR

39

Carburetor

Return

Sprmg

11

DeSCriptIOn
39

Fuel
Filter
11

Trouble

Shootmg
40

ENGINE

IGNITION
SYSTEM

DESCRIPTION
14

DISTRIBUTOR
44

REMOVAL
14

ConstructIOn

44

INSTALLATION
14

Checkmg
and

Adjustment
44

CLEANING
INSPECTION
14

SP
ARK
PLUGS

46

DISASSEMBL

Y
14

DeSCriptIOn
46

INSPECTION
REPAIR

18

InspectIOn
46

PreparatIOn
18

Cleamng
Regap
47

Cyltnder
Head

18

Valve

Assembly
18

Valve

Spnng
19

Valve
Rocker
Shaft

Rocker
Arm

19

FUEL

SYSTEM

Valve
LIfter
Push
Rod

20

Camshaft
Camshaft

Bearmg
20
FUEL
FILTER

50

Valve

Tlmmg
20

DESCRIPTION
50

Cyltnder
Block

21
REMOVAL

50

PIston
Piston
Pm

Plsto
LRmg
21

INSTALLATION

50

Connectmg
Rod

23
FUEL

PUMP

50

Crankshaft

24

DeSCriptIOn
50

Bushmg
Bearing
24

Testmg
51

Crankshaft

Sprocket
Removal

DIsassembly
52

Camshaft

Sprocket
25

InspectIOn
52

Flywheel
25

Assembly
52

ASSEMBL
Y

25

CARBURETOR

52

PrecautIOn

25

DeSCription
52

Cyltnder
Head

25

Adjustment
53

PIston

ConnectIng
Rod

26

Removal

58

Engme
26

DIsassembly
58

OIL
PUMP

32

Cleanmg

InspectIOn
59

Removal

Engme
m

vehicle
32

Assembly
InstallatIOn

60

I

labl8
of

Contents

Jets
60

FRONT
SUSPENSION

TlOuble

Shooting
60

f
DESCRIPTION

RECOMMENDATIONS

TROUBLE

SHOOTING
I

85

COOLING
SYSTEM

DESCRIPTION
64
STEERING

WATER

PUMP
64

Hemoval
65
DESCRIPTION
90

InstallatIOn
65
RECOMMENDATIONS
90

THERMOSTAT

65
TROUBLE
SHOOTING
91

Removal

65

InspectIOn
65

REAR
DRIVE

Installation

65

RADIATOR

66
SUSPENSION

Hemovdl

66

InspectIOn
66
REAR
AXLE
94

InstallatIOn

66
DIFFERENTIAL
94

REAR
SUSPENSION
95

REAR
SHOCK
ABSORBER

96

Replacement
96

BRAKES
InspectIOn
97

RECOMMENDATIONS

97

FRONT
DISC
BRAKE

68

BRAKE

PAD

68

Replacement
68
CLUTCH

InspectIOn
68

ReinstallatIOn

68
DESCRIPTION

CALIPER

70
CLUTCH
PEDAL

Removal

70
Removal

Disassembly
71

InspectIOn

InspectIOn
Repmr
71
ReinstallatIOn

Reassembly
72

Adjustment

ReinstallatIOn
74
CLUTCH
MASTER

CYLINDER

REAR
BRAKE

74
Removal

Hemoval

Dlsdssembly
74

DIsassembly

InspectIOn
75

InspectIOn

Reassembly
ReinstallatIOn

75

Reassembly

HAND
BRAKE

75
RemstallatlOn

Removal

75
BLEEDING
CLUTCH

SYSTEM

InspectIOn
76

RemstallatlOn
77

ADJUSTMENT
78

TRANSMISSION

Front
DI

c
Brake

78

Rear
Brake

78
4
SPEED
TRANSMISSION

Brake
Pedal

HeIght
78
3
SPEED
TRANSMISSION

Hand

Brake

79
TROUBLE
SHOOTING

BLEEPIN
HYD

AULIC
SYs
r
M
79

i
UIQM
ATJ
C

TRANSMJSSIQ

TROUBLE

SHOOTING

80

RECOMMENDATIONS

2

aiDteDaDce
UDe

up

Adjust
throttle

adjusting
screw
so
that

engme

speed
1S
800

rpm
m
N

positIOn
for

automatic
transmIssIOn

Check

IgnitIOn
tlmmg
If

necessary
adjust
1t
to

the

specIficatIOns

IgnitIOn
timing
50
800

rpm

Adjust
Idle

adjusting
screw
so
that
CO

percen

tage
IS
1
5
t0
5
ff

Repeat
the

adjustments
as
desctlbed
In

steps

3
above

so
that
CO

percentage
IS
15
t0
5
ff
at

800

rpm

Cautions
a
On
automatic
transmission

equipped
model
check
must
be
done
in

the
D

position
Be

sure
to

apply
parking

brake
and
to

lock
both
front
and
rear

wheels
wIth
wheel
chocks

b
Hold
brake

pedal
while

stepping
down

on
accelerator

pedal
Otherwise

car
will

rush
out

dangerously

On
automatic

transmISSIOn

eqUIpped
model

make
sure
that
the

adjustment
has
been
made

wIth
the
selector
lever
In
N

posItion

And
then
check
the

specificatIOns
with
the

lever
In
D

posItion
Insure
that
CO

percent

and
Idle

speed
are
as
follows

Idle

rpm
650
Idle
Limiter

Cap

CO

percentage
Do
not

remove
this
Idle
hm1ter

cap
unless

necessary
If
this
Unit

IS
removed
It

IS
I

with
lever
In

D

PoSitIOn
1

5
t
0
5
k

necessary
to
re

adJust
It
at
the
time
of
In

If

necessary
adjust
by
progIesslvely
turmng
stallatlon
To

adjust
proceed
as
follows

throttle

adJustlng
screw
and

Idle

adJustmg
Make
sure
that
the

percentage
oLCO
contents

screw
until
correct

adjustments
are
made
satisfies
the

specifications
I

I

I

I

J

Fig
9
Checking
spark
plug

gap

10
Throttle

sdJustlnl

screw

Idle

adjust

Inlscrew

Idle
Itmlttc

r

cap

4

Stopper

Fig
10
Throttle

adjusting
screw
and
Idle

adjusting

screw

CARB
STOPPER

Fig
11

Setting
Idle
limiter
cap

Notes
a
Do
not

attempt
to

screw
down

the
idle

adjusting
screw

completely
to

JI
avoid

damage
to

the

tip
which
will
tend

to
cause
malfunctions

b
After
idle

adjustment
has
been

made
I

shift
the
level
to
N

or
P

position
for

automatic
transmission

c
Remove
wheel
chocks
before

startmg

the
car

aiDtenuce

TUDe

up

Fig
12

Fuel

strainer

Install

Idle
hmlter

cap
m

posItion
makmg

sure
that
the

adJustmg
screw
can
further
turn

rotatIOn
m

the
CO
RICH

d1rectlOn

Dash

Pot

Automatic

Transmission
Model

Only

Check

operation
of
dash

pot
It

should
not
be

cracked
or
bound

It
IS
also
essenttal
to
check

r
w
be

certam

that
It
IS

m
correct

adjustment

Check
to
be
sure

that
dash

pot
contacts

stop

per
lever

when

engme
speed
reaches
1

900
to

2

000

rpm

Engme
should

be

slowed
down

from
3
000
to

1

000

rpm
within

a
few

seconds

Readjust
dash

pot
or

replace
It

with
a
new

one

lflt

falls
to

meet
the

above
condItions

Carburetor
Return

Spring

Check
throttle
return

sprmg
for
sign
of

damage
wear
or

squareness
Discard

spring
If

found
wIth

any
of
above

excessIvely
beyond

use

Fuel

Filter

Check

for
a

contammatlOn
element

water

depoSIt
and
defection

All

engmes
use
a

cartridge
type
strainer
If
1t

IS
found

to
be

defective

replace
as
an

assembly

u

Bngine

WIres
for
accelerator
and
choke
The

operatIOn
Will
be
carned
out
more

easily
by

removing
the

a1r
cleaner

Lift

up
the

engine
toward
the
front

INST
ALLA
TION

Install
the

engine
In

reverse

sequence
of

removal

Disconnecting
clutch

wire
on

nght
hand
dnve

model
On

left
hand
dnve
model
disconnect

hydraulIc
line
from
the
clutch
slave

cylInder

DIsconnect
the
clutch
WIre
at
the

JXlrtlOn
of
the

wIthdrawal
lever

Remove
the
exhaust
front
tube

Disconnect
the
the
cable
to
the
back

up

lamp

SWItch

D1sconnect
the

speedometer
cable

Remove
the

propeller
shaft

Remove
four
bolts
used
In
the
differential

carner
SIde
and
Withdraw
the

propeller
shaft

Remove
the
shift
lever

Model
With
remote
control
shIft
lever

Disconnect
the
remote
control
rod
at
the

JXlr

tlOn
of
transmiSSIOn
outer
lever
and
remove

the
remote
control
rod

Model
With
floor
Sh1ft
lever

Remove
the
boot
WIthdraw
the
lock

pin
and

remove
the
lever
The

operatIOn
IS
carned
out

In
the

passenger
compartment

Model
With
automatic
transmiSSIOn

Remove

pinS
from
both
ends
of
the
cross
shaft

and
remove
the
shIft
rod

Suspend
the

engine
With
wire

Remove
the
front

engine
mounting
installation

nuts

Remove
the
rear

engine
mounting
installation

nuts

When

removing
the

engine
mounting
in

stallation
nuts
be
sure
to

apply
a

Jack
beneath

the
transmiSSIOn

CLEANING
AND

INSPECTION

Clean
the

engine
thoroughly
before
disassem

bly
Before

cleaning
the

engine
remove
the

l
electncal

parts
and

plug
up
the
carburetor

air
horn
to
aVOid
intrusIOn

of

foreign
matter

The

engine
extenor

Check
the
covers
and

bolts
for

breakage
rust

damage
and
loss

CylInder
block
Check

thoroughly
the
water

Jacket
for
cracks
and

breakage

Clutch

hOUSing
Check
for
cracks

011

pan
Check
for
excessive
rust

DISASSEMBLY

Mount

engine
assembly
on

engine
stand

Remove
the

engine
mounting
bracket
R
H

Side

Install
the

engine
attachment

Mount
the

engine
on
the
stand

Fig
14011

pump
removal

Fig
15
Thermostat

hOUSing
removal

II

Fuel

Sptem

The

power
valve
mechanIsm

IS
of
a
vacuum

actuated
boost

type
and

Improves
hIgh
speed

drivIng

The
throttle

opener
control

system
Incor

porates
a
servo

diaphragm
The

servo

dIaphragm
helps
open
the
throttle
valve
at
a

decreasIng
speed
so
as
to
reduce
the
emISSIOn

of

hydrocarbons
to
a
minImum

An
antI

dlesehng
olen01d
IS
used
as

a
means

of

preventIng
dlesehng
When
the

IgnItIOn

key
IS
turned
ofT
the
fuel

passage
Involved
In

the
slow

system
IS
closed
and
the
fuel

supply

IS
shut
down

completely

In
the
chok
mechanIsm
an
electric

automatIc
choke
IS
used
to

automatically
con

trol
the
choke
valve

operatIOn
durIng
the

war

m

up
of
the

engIne

The
carburetor
for
automatic
transmiSSIOn
IS

eqUIpped
WIth
so
called
dash

pot
that
IS
It

makes
smooth

deceleratIng
WIthout

engIne

stall
at

any
operatIng
conditIOn

These
carburetors

are

qUIte
SImIlar
In

ap

pearance
as

explaIned
above

except
the
dash

pot
for
the
automatIc
transmISSion
model

Adjustment

Idhng
Adjustment

Idle
mixture

adjustment
requIres
the
use

of
a

CO
meter
When

prepatlng
to

adjust
Idle
mIxture
It
IS
essentIal
to
have
the
meter

thoroughly
warmed
and
cahbrated

Warm

up
the

engIne
suffiCiently

ContInue

engme
operatIOn
for

one
mmute
un

der

ldhng
speed

Adjust
throttle

adjustIng
screw
so
that

engme

speed
IS
800

rpm
m
N

pos1tIon
for

automatic
transmiSSIOn

Check

IgmtlOn
tl
If

necessary

adjust
It
to
the

speCificatIOns

IgnItIOn
tImlo
800
rpm

Adjust
Idle

adJustmg
screw
so
that
CO

percen

tage
IS
1

5
0
50
at
800
ns

a
On
automatIc

transmiSSIOn

eqUipped
model
check
must
be

done
In
the
D

poSItIon
Be
sure
to

apply

parkmg
brake
and
to
lock
both
front
and
rear

wheels
With
wheel
chocks

b
Hold
brake

pedal
while

steppIng
down
on

accelerator

pedal
OtherWise
car
Will
rush
out

dangerously

On

automatIc
transmiSSIOn

eqUIpped
model

make

sure
that
the

adjustment
has
been
made

With
the
selector
lever
In
N

posItIon

And
then
check
the

specificatIOns
With
the

lever
In
D

pOSitIOn
Insure
that
CO

percent

and
Idle

speed
are
as
follows

Idle

rpm
650

for
Manual
transmISSion

for
Automatic
transmISSion

Fig
91
External
view
of
carburetor

3

ruel

Sptem

CO

percentage

with
lever
In

D

posltton
15
050

If

necessary
adjust
by
progressively
turmng

throttle

adjustIng
screw
and
Idle

adJusttng

screw
unttl
correct

adjustments
are
made

Notes
a
Do
not

attempt
to
screw
down

the
Idle

adjusting
screw

completely
to

aVOid

damage
to
the

tip
which
will
tend

to
cause
malfunctions

b
After
idle

adjustment
has
been
made

shift
the
lever
to
UN
or
P

position
for

automatic
transmission

c
Remove
wheel
chocks
before

starting

the
car

Idle
Limiter

Cap

Do
not
remove
this
Idle
hmlter

cap
unless

nccesbary
If
this
Unit
IS
removed
It

IS

I
Throttle

adJu
tmg

suew

2
Idle

adJu
t

Ing
rcw

3
Idle
hmlter

p

4

Stopper

FIg
92
Throttle

adjusting
screw
and
Idle

adjusting

screw

rl1urdor

topper

Fig
93

Setting
Idle
limiter

cap

54
necessary
to

re

adJust
it
at
the
time
of
In

stallatIOn
To

adjust
proceed
as
follows

Make
sure
that
the

percentage
of
CO

contents

sattsfies
the

speClficattons

Install
idle
hmIter

cap
In

poSItIOn
makIng

sure
that
the

adjustIng
screw
can
further
turn

rotatIOn

In
the
CO
RICH
dIrectIOn

Fuel
Level

Adjustment

Turn
down
the
float
chamber
to
allow
the

float

comIng
Into
contact
WIth
the
needle

valve
and

measure
R
shown
In

Figure
91

When
the
H

IS

approximately
190
mm

0748
In

top
float

posltton
IS
correct
The

top

float

pOSitIOn
can
be

adjusted
by
bendIng
float

seat

Upon
completIOn
of
the

adjustment

check
fuel

level
WIth
the
attached
level

gauge

Adjust
bottom
float

posItion
so
that
clearance

h
between
the
float
seat
and
the
needle

valve
stem
IS
0
0512
to
00669
In

when
the

float
IS

fully
raIsed
Bend
the
float

stopper

properly
as

reqUIred

Fast
Idle

Adjustment

Remove
the
bl
metal
cover

Place
the
fast
Idle
arm
on

the
second

step
of

the
fast
idle
cam
Then

adjust
the
fast

Idle
ad

JustIng
screw
In

such
a

way
that
the
clearance

of
the
throttle
valve
shown
at

A
In
the

Illustratton
Will
be
the

speCificatIOns
See

Figure
92

IH

Float

Float

seat
3
noall

topper

4
Needle

alve

Fig
94

AdJusting
float
level

ruel

Sptem

Clearance
of
throttle

Engme
revolutIon

valve

A
ill

rpm

Manual

transmiSSIOn
o
0315

to
0
0346
I
750

to
2
050

Automatic

transmISSIOn
00421
to
0

0461
2

650

to
2
950

c

Rubbu
bJ
nd

Fig
97

Adjusting
choke
unloader

Vacuum
Break

Adjustment

Completely
close
the
choke
valve

Hold
the
choke
valve

by
stretching
the
rubber

band
between
choke
shaft
lever
and
the

btatlOnary
part
of
carburetor

Grip
the

vacuum
break
stem
with

phers
and

pull
straIght
fully

Under
thIS

condltton

adjust
the

gap
shown
at

8

In
the
111ustratlOnl
between
the

choke

valve
and
carburetor

body
to
00449

to
0
0496

In
for
manual
transmission
tar
and
0047
to

0

053
1n
for
automattc
transrnlsslOn

car

by

bending
vacuum
break
rod

51
Choke
Unloader

Adjustment

Completely
close
the
choke
valve

Hold
the
choke
valve

by
stretching
a
rubber

ring
between
the
choke

shaft
lever
and
the

stattonary
part
of
the
carburetor

Open
the
throttle
lever
unttllt

fully
opens

Under
thiS
condltton

adjust
the
clearance
C

In
the
IllustratIOn
between
the
choke
valve

and
the
carburetor

body
to
0
079
In

by
ben

ding
unloader

tongue
See

Figure
94

Note
Make
sure
that
the
throttle
valve

fully
opens
when
the
carburetor
is
moun

Bear
Drive

Suspension

A
correct

contact
pattern
means
that
It

beii

the

ange
of
2
3
to
3
4
from
the
tip

of
the
tooth
nder
no
load
Backlash
IS

010
to
015mm
00039
to

00059
n

Tlghtemng
torque
of
drlve

gear
bolt

60
to
70

kg
m
434
to

506
ft
Ibl

TIghten
by
tapping
bolt
head
with

a
0

lkg
1
4
lb
hammer
TIghtening
torque
of
dnvt

pmlon
nut

12
to
11

kg
m
86
8
to
1229
ft
lb

Plmon
be
nng
adjust
spacer

O
lve

plmon

adlustlng
washer

T
W
N
HxO

011
0
2

mml

T
T

Drive

gear
ad

ustlng
shims

Left
Ide
T1
jA
C

0
H
I
001
0200
E
lmml

Right
SIde
T2
B
D

HI
001
0
200
F
mml

Fig
150
Sectional
view
of
dIfferentIal
carner

any
loose
matenal
from
the

sump
which

results
from

breaking
Dlfferentlallubncant

should
be

changed
at
least

every
30
000
m11es

ConsIderatIOns
should
be

given
to
the

follOWing
matters

Nommated

hYPOld
gear
011
must
be
used

It
IS

prohibited
to

use

any

gear
011
of
dIfferent

VISCOSity

The
same
brand
must

always
be
selected

The
standard
011

capacity
IS
about

0
198
US

gal

REAR
SUSPENSION

Rear

suspensIOn
consists

of
serm

elhptlc
leaf
springs
telescopIc
hydrauhc
shock
absorbers

and
rubber

bumpers

The

rear

sprmg
center

pm
1S
ofT
set
4

33
m

toward
the
front
from
the
center
of
the

sprmg

ThIS

IS
done
to
reduce

sprmg
wmd

up
and
to

decrease
the
arc
while
the
rear
wheel

sWings

through
Thereby
m1n1mlzmg
the

POSSibilIty

of
the

rear

suspensIOn
effecting
vehlCle

stablhty

It

Iso

damp
deVices
are
used

for

attachmg
the

axle

hOUSing
to
the

sprmg

The
leaf

sprmgs
shock
absorbers
and

rear

axle

housmg
are
mounted
on
rubber

bushings

at
each

end
to
minimIZe
nOIse
and
VibratIOn
of

the
transmiSSIon
to
the

car

body
and

passenger
compartment

85