radiator DATSUN B110 1969 Service Repair Manual

Page 5 of 136


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

Page 14 of 136


IQgiDe

DESCRIPTION

The
A12

engme
IS
a
715

cu
m
In
I

me
over

head
valve
four

cyltnder
engine
with

2874
m

bore

and
2
765
m
stroke
It
feature

full

opened
wedge
shaped
combustIOn
cham

ber
alummum
heads
and

fully
balanced

5

bearmg
crankshaft
to
turn
out
smooth

dependable
power

REMOVAL

Removmg
hood

Open
the
hood

remove
four
mstallatlOn
bolts

and
remove
the
hood

Disconnect
the

battery
cable
from
the
ter

mmal

Removmg
radIator
Dram
water
from
the
radiator
disconnect
two

radIator
hoses

remove
four
radIator
m

stallatlOn
bolts
and

remove
the
radiator

Removmg
cables
and
hoses

Disconnect
the

followmg
cables
hoses
and

wires

High
voltage
cable
between

Igmtton
COlI
and

distributor

Cable
to
the
thermal
transmitter

Cable
to
the
011

pressure
sW1tch

Cable
to
the

primary
Side
of
the
distributor

Cable
to
the

startmg
motor

Fuel
hose

Cable
to
the

alternator

Heater
hose
for
model
With
heater

only

I

Fig
13
Sectional
view
of
A

12
Engine

It

Page 60 of 136


Cooling

Sptem

Fig
106
Coolmg
system

C0026

FIg
107
Water

pump
and
front
cover

FIg
1I1S
Water

pump
removal

DESCRIPTION
radiator
w1th

hIgh
coohng
efficiency
and
of

a

pellet
type
thermostat

The

coohng
system
IS
of

a
closed

pressure
type

With

hIgh
coolmg
capablhty
Coohng
water
WATER
PUMP

flowmg
through
resIstance
free
water

passages
m
the

cyhnder
head
and

cyhnder
The
water

pump
IS
a

centrifugal
type
water

block
IS
mamtamed
at

adequate
temperature

pum
WIth
an

alumlpum
d1e
cast

pump
body

range
at

allo
tlmes

by
means
of

an

ample
T
he

olute
chamber
IS
bUIlt
mto
the
front

capacIty
water

pump
of

a

corrugated
fin

type
cover

assembly
and
a

high
pressure

seahng

84

Page 61 of 136


GooliDI
Sptem

mechamsm

IS

adopted
to

prevent
the
water

leakage
and
nOIse

completely

Note
The
water

pump
must
not
be

disassembled
since
the

bearings
are

shrmkage
fitted
to
their
bores
If

any
part

of
water

pump
is
found
defective

replace

pump
assembly

Removal

Dram

coolmg
water

completely

Take
the
fan
belt
ofT
the

pulley

Remove
fan
and

pulley

Remove
the
water

pump

Installation

InstallatIOn

IS
the
reverse
of
removal

THERMOSTAT

A

pellet
type
thermostat
IS
used
m
the
water

outlet

passage
to
control
the
flow
of
coolant

provldmg
fast

engme
warm

up
and

regulatmg

coolant

temperature
A
wax

pellet
m
the
ther

mo
tat

expands
when
heated
and
contracts

when
cooled
The

pellet
IS
connected

through

a

piston
to
a

valve
and
when
the

pellet
IS

heated

pressure
IS
exerted

agamst
a
rubber

dIaphragm
and
the
valve

opens
As
the

pellet

IS
cooled
the
contractIOn
allows
the

sprmg
to

close
the
valve

Removal

Dram

coohng
water

Remove
radiator
hose

Remove
water
outlet
elbow
Then
take
out

the
thermostat

Inspection

To
test
the
thermostat
for

proper
operatmg

temperature
submerg
he
umt
m

a
contamer

of
water
Heat
the
water
and
observe
the
tem

perature

Measure

temperature
when
the
thermostat

valve

Just
starts

rlsmg

If
thermostat
does
not

operate
at
the
above

specIfied
temperatures
It
must

be

replaced
Installation

When

mstalhng
the
thermostat

apply

adheSIve
Three
Bond
to
both
SIdes
of
the

packmg
for

preventIOn
of
water

leakage
In

stall
the
thermostat
m

reverse

sequence
of

removal

USA
Canadd
Olher

coun
t
nes

Valve

opemng

temperature
177
to

r8710
16710

F
183
193
173

Valve
lIft

O
oF
031
203
031
212
031
194

WI

fL
g
0

I
l

1

L
JI
I
I

I

I

a

J
i

o
wa
r
outlet

EI
Thermostat

Fig
109
Thermostat
removal

FIQ
110
Thermostat

inspection

81

Page 62 of 136


Gooliol
SJstem

RADIATOR

The
radiator

IS
of

a
down
flow

type
w1th

an
ex

panslOn
tank
located

on
the

top
of
tube

sec

tlOn

Pressure

IS

applted
to
the

system
and
the

I
eltef
valve

Incorporated
In
the
radiator
filler

cap
controls
the

pressure
at

approximately
13

Ib

sq
In

Removal

DraIn

cooltng
water

DIsconnect
radiator

upper
hose
lower
hose

and
hose
to

the
reservOir
tank

Detach
the
radiator

assembly
by
removmg
SIX

fiXIng
bolts

Inspection

Check
for
water

leakage
and
cracks

USIng
a

cap
tester
If
such
defects

are
detected

repair

88
Fig
111
Radiator
removal

or

replace
the
radIator

assembly

Installation

InstallatIOn
IS
the
reverse
of
removal

Page 102 of 136


Bod
Work

HOOD

Removal

DI
connect
the

WInd
hwld
washer
hose
at
the

nozzle

In
order
to

protect
the
hood
from

damaging

place
rag
In
hoth
Ide
of
the
hood

rear
end

loosen
the
hood

hinge
installatIOn
bolts
and

remove
the
hood

UPPOl

tIng
It
from
both
SIdes

as
shown
In
the

follOWing
figure
Two

workers
are

required

Installation

Install
the
hood
In

reverse
sequence
of

removal
carefully
so
that
the
hood
IS
flush

FIg
163
Removmg
hood

hmge

Fig
164

Removmg
hood

U2
with
the
fender

top
and
clearance
between
the

hood
and
fender
IS

aligned
evenly
toward

overall
circumference
of
the
hood
when
the

hood
IS
closed

HOOD
LOCK

Removal

Remove
the
radiator

gnlle
loosen
the
in

stallation
bolts
and
remove
the
male
Side
of

the
hood
lock

Disconnect
the
hood
lock
wire
from
the
female

Side
of
the
hood
lock
and
remove
the
female

Side
of
the
hood
lock

Remove
three
screws
and

remove
the
hood

lock
control
lever

Adjustment

Centermg
the
Hood
Lock

The
male
Side
hook
lock
IS

prOVided
with

a

o
118
In

adjusting
stroke
toward
left
and

nght

Sides
of
the
vehicle
and
the
female
SIde
with

a

0118
In

adjustIng
stroke
toward
front
and

rear
Sides
of
the
vehicle
Loosen
the
in

stallatIOn
bolts
and

align
the
center

correctly

I
Dov
tall
bolt

2

Dovetail
bolt

retammg
nut

31
Spong

4

Sarety
catch
lever

5

I
hmaJc
lever

6

Spnng

j
7JjHood
lod
control

lever

8
Rubber

grommet
Ii

5

4

il

Fig
165
Hood
lock
mechamsm

Page 128 of 136



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ir
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car
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11

v
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COOLING
SYSTEM

0
JJ
DimenSIOns
of
radIator
core

Height
x
Width
x
Thickness
mm
m
330
x
344
x
32

13
0
x
135
x
I
26

Type
Corrugate
fm
type

Radiator
fm
spacmg
mm
m
2
5
0
098

RadIator
capacity
K
cat
hoC
335

Cap
workIng
pressure
kg
cm2
Ib
sq
In
09
t
0
I
13
t
14

Water
capacity
with
heater
e
US
qt
Imp
qt
49
S
v
6
471
i

t
fj
looIo
t
lk
i
J
l