DATSUN B110 1969 Service Manual PDF

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

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

Brakes

Jl

r7
I

J

I

lip
b
Ih
ih

p
lIJ
11

yhndu
blolk

2

Spnn
7
Air

hlu
k
r
12
PI
lon

3
LVI

pm
H
Rl
t

llmll
nn
13

lh
L

prm

hlm

8001
I
YOkl

pnn

5
lIJ
n

ll

prill
111
1
lon
Ii

15
Yoh

Fig
112
Front
diSC
brake

components

Movement
exceeding
the

elastic
dISplacement
IS

released
with

slipping
on

the
seal
surf
a
Returns
elastIC

displacement
of

the

seal
CYLINDER
SIDE

DECOMPRESSION

Fig
113
PIston
seal
automatic

adjusting
operation

FRONT
DISC

BRAKE
I
Brake

pad

2

Retalnl
pin

I
Clip

FIg
114

RemOVing
retaining

pm

Rigidity
of
the

cahper
IS

high
brake

pedal

feehng
IS

adequate
and
the

pad
draggIng
IS

piston

operating
stroke

Increases

shpplng
oc

mlmmlzed
The

padqs
returned

by
elastIcity
curs
on
the

plston
seal
surface
and
thus

of
the

piston
seal
When
the

pad
IS
worn
the
clearance
IS

adjusted

automatIcally

88

r
Brakes

Moreover
In
order
to

prevent
brake

squeahng
a
shIm

IS
Inserted
behind
the

pad

BRAKE
PAD

Replacement

Jack

up
front
UnIt
of
the
vehicle
and
remove

the
front
wheel

Remove

clip
from
the

retaining
pin
and

sup

porting
the
brake

pad
remove
the

retaining

pin
and
COil

spring

Unhook
the

hanger
spring
and
Withdraw
the

brake

pad
and
shim
With
a

pair
of

phers

Note
When
the
brake

pad
IS
removed
do

not

depress
the
brake

pedal
or
otherWise

the

piston
will
come
out

Inspection

Clearance
between
the
brake

pad
and
rotor
IS

adjusted
automatically
Check
the
brake

pad

Fig
115

WIthdraWing
brake

pad
and
shIm
for

wear
after
the
first
6
000
miles

driVing

and

every
3
000
miles
thereafter

Clean
the
brake

pad
With
carbon

tetrachloride

or

gasohne

When
011
and
or

grease
IS

heavIly
stlcked
on

the

pad
or
when
deteriorated
or
deformed
due

to

overheating
replace
the

pad
With
a
new

one

When
thickness
of
the
friction
material

pad

IS
less
than
0
0630
In

replace
Replace
when

total

pad
thIckness
IS
less
than

0
2402
In

Note

Replace
pads
as
a
set

Replacement

at

only
one

position
may
cause
uneven

brake
effect
It

IS
recommended
that

rotation
of

pads
be
made

periodically

Check
the
rotor

Reinstallation

Clean
the

calipers
and

piston
pad
installing

parts

Note
Do
not

use
mineral
oil
Be
careful

not
to

apply
oil

on
the
rotor

Depress
the

pIston
Into
the

cyhnder
so
that

new

pad
can
be
Installed

Note
a
Note
that
brake
fluid

may
over

flow
from
the
reservoir
It
is
recommen

ded
that

operation
be
carried
out

by

loosening
the
breather
to
release
brake

fluid

b
The

piston
can
be

easily
pushed
in

by

hand
But
if

pushed
excessively
the

Fig
116

DepreSSion
piston
A
and
B
Into

cylinder

88

Brakes

groove
of

pIston
goes
insIde
of
seal
as

shown
in

Figure
117
and
the
seal
will
be

damaged
When
the

piston
is

pushed
ex

cesslvely
mto
the

cylinder
remove
the

brake

assembly
disassemble
It

push
out

the

piston
to
the
arrow
direction
as

shown
in

Figure
117
and
reassemble

Install

pad
and
antt

squeal
shim
assemble

the
anti

squeal

spring
and

retaining
pin
and

ecure
them
with

cltp

Install
the
shim

so
that
the

arrow
mark

pOints
the
rotor
forward

rotating
directIOn

Apply
the
COIl

spring
to
the

retaining
pin

which

IS
distanced
from
the

atr
bleeder

111
PlSton
seal

I
2

I
Normal

position
I

Fig
117
Piston

pushIng
In

posllIon

FIg
118
Arrow
mark
on
shim

78
When
the

pad
IS
Installed

depress
the
brake

pedal
several
tl
mes
so
as
to
settle
down
the

pad
In

the

posltton

CALIPER

Removal

Remove
the
brake

pad

DIsconnect
the
brake
tube
from
the
wheel

cyltnder

Remove
the
strut

assembly
and
knuckle
arm

installatIOn
bolt
so
as
to
ease
removal
of
the

cahper
assembly
installatIOn
bolt

Remove
the

cahper
assembly
installatIOn
bolt

and

separate
It

from
the
strut

assembly

Fig
119
RemOVing
strut
assembly
and
knuckle
arm
in

stallatIon
bolt

Fig
120

RemOVing
caliper
assembly
Installallon
bolt

Brakes

DIsassembly

Remove
mud
and
other
contamInations
from

the

caLiper
as

embly
before
dlsa

sembly

DraIn
bl
ake
fluId

flOm
the
wheel

cylinder

Loosen
the

aIr
bleeder
and

depres
the

pistons
A
and
B
Into
the

cylInder
See

FIg

125

Secure

the

yoke
In
a
vIse
and

tap
the

yoke

head

with
a
hammer
The

cylinder
body
can

then
be

removed
from
the

yoke
When

remOVIng
the

cylinder
body
be
careful
not
to

allow

the

piston
A

comIng
out
from
the

cylIn

der

FIg
121

TapPing
yoke
head

5

I

B

Q
Retamlng
nng

J
Boot

Fig
122

Cylinder

body
and

piston
Remove
the

bIas

nng
from
the

piston
A

Remove
the

retaInIng
nngs
and
boots
from

the

pistons
A

and
B

Depress
and

remove
the

piston
from

the

cylin

der

Remove
the

piston
seal
from

the

cylinder

Note
Remove
the

p1ston
seal

carefully

w1th

fmgers
so
that
the

cylinder
wall
is

not

damaged

Remove

the

yoke
prIng
and

yoke
bias

sprIng

from
the

yoke

Inspection
and

Repair

Thoroughly
clean
all
dIsassembled

parts
and

check
them
for
the

follOWIng
Items

Note
When

cleaning
rubber

parts
use

alcohol
or
brake
fluid
If
rubber

parts
are

cleaned
wIth

mmeral
Oil

they
will
be

detenorated

Calzpers

If
the

cylInder
wall
IS

damaged
or
worn

replace
If
the

cylinder
wall
IS
rusted

or

foreIgn
matters

are
accumulated
on
the

cylIn

der
wall

carefully

polIsh
wIth
fine

emery

paper
so
that

the

cylInder
wall
IS
not

damaged
If

rusted
or

roughened
excessively

replace

Pad

See

paragraph
covenng

replacement
of

pad

PIston

Replace
If

unevenly
worn

damaged
and

or

rusted

Note

The

piston
slidmg
surface
is

plated

Thus

do
not

use

emery
paper
although

rusted
or

foreign
matters
are
sttcked

on

the

sliding
surface

Seals

Prlmanly
replace
both

pIston
and
dust
seals

whenever

overhauling

n

Brakes

Note
The

piston
seal
affects
not

only

Ieakmg
but
also

piston
return

For
this

reason

replace
the

piston
seal
even
If
the

damage
IS
minor

Rotor

Check
the
rotor

and
If
It

shows
cOl
e
ex

cesslvely
out
of
round
and

so
forth

recon

ditIOnIng
by
machInIng
l
l

requIred
If

any
ab

normal
condItIOns
such

as
crack

dl
ltortlOn

and

excessIve
deflectIOn

replace
the
rotor

Standard
rotor

thlckne
ls

03740
In

Fig
123

MeaSUring
deflectoon
of
diSC

Fig
124

Installing
bias

ring
mto

piston
A

72
LImIt
of
I

econdltlOntng
lotOl
In

thlcknes
l

o
3307
In

DeflectIOn
of
the
rotor

Below
0
0012
In

Reassembly

Apply
the
rubber

grea
le
to

cylinder
bore
and

Install
the

pIston
seal

Insert
the
bIas

rIng
to

pIston
A
so
that
the

roundl
lh

portIon
of
bIas

ring
comes
to
the
bot

tom
of

pIston

A

PISTON
B

PISTON
A

Fig
125
Piston
A
and
B

Fig
126

Installing
boot

Brakes

Note

Be
careful
not
to

confuse
the

piston

A

with
B

Apply
rubber

grease

hghtly
to
the

shdlng
par

tlon
of

p1ston
and
Insert

the

piston
Into
the

cyhnder

Note
When

insertmg
the

piston
be

careful
not
to
insert
too
far

Install

the

boot
and

retaining
nng

Install

so
that
the

yoke
groove
of
bIas

nng
of

piston
A

COinCide
wIth
the

yoke
groove
of

cyhnder

YOKE
SPRING

Fig
127

Installation
of
yoke

spnng
1

Fig
128
InstallatIOn
of

yoke

spnng
2
Install

so
that
the

projected
portIOn
of

yoke

spnng
faces

to
diSC

as
shown
In

Figures
127

and
128

Install
the
bias

spring
to

yoke
so
that
the
bias

spring
comes
to
the

aIr
bleeder

Side
of

cyhn

der

Apply
the

brake

grease
to
the

yoke

shdlng

portIOn
of

cylinder

With
the

yoke

spring
Inserted
to

cylinder

groove

hghtly
correct

poSitIOn
of
the
bias

spnng
so
that
the

groove
of

biaS

spring
COin

Cides
With

yoke

Fig
129

Correctmg
bias

spnng
POSItion

Fig
130

Measunng
startmg
torque

73

Brakes

c

Fig
131
Rear
brake
construction

Assemble
the

cylIndel
body
and

yoke
by
tap

ping
the

yoke
lIghtly

Apply
the
brake

grease

fully
to
the

yoke

slIding
groove
of

cylInder

I
nstall
the
air
bleeder

Reinstallation

Reinstall
the

calIper
assembly
In

reverse

sequence
of
removal

After

the

pad
IS
Installed

completely
bleed

the

hydraulIc
line
and
measure
the
rotatton

torque
of
diSC

Starting
torque

780
In

Ib

At
the
hub
bolt

345

Tightening
torque

CalIper
assembly
installatIOn
bolt

33
3
to
44
1
ft
lb

Brake
tube
flare
nut

connected
to
wheel

cylIn

der

108
to

13
0
ft
lb

REAR
BRAKE

Removal

and

Disassembly

Jack

up
the

rear
slde
of
the
vehicle

support

With

a
stand
and

remove
the
wheel

74
Loosen
the
hand
brake
Wire

remove
the
cleVIS

pin
from
the

rear
wheel

l
ylInder
lever
and

disconnect
the
hand
brake
wIre
Remove
the

return

spnng
pull

spnng

Remove
the
brake
drum
Remove
the
shoe

retainer
and
retUl
n

spnng
and
remove
the

brake
shoe

assembly

DIsconnect
the
brake
tube
from
the
wheel

cylinder

Remove
the
dust

cover

adjusting
shims
and

plates
The
wheel

cylInder
can
then
be

removed

eaSily

Flg
132

RemOVing
hand
brake
vme

Brakes

Return

spnng
dimensIOns

Wire
dla
x
free

length

Load
x

length

actIve
turns

Cylmder

o
0787
x
4
69
III

sIde
33
4lb
x
5
22
m

28

Adjuster

00787
x
2

736
m

sIde
19
6
lb

x
3
020
III

20

1
Brake
moes

2
Shoe
retamer

Fig
133
Rear
drum
brake

Fig
134

Removmg
brake
disc
Remove
the

adjuster
assembly

Remove
the

flange
bolt
from
the
rear
axle

housing
remove
the

rear
axle
shaft
The

brake
disc

can
then
be
removed

together
wIth

the

rear
axle
shaft

Inspection

For
the

rear
brake

inspectIOn
the
instructIOns

for
front
drum
brake

apply

Reassembly
and
Reinstallation

Rea
semble
and
reinstall
the
rear
brake
In

reverse

sequence
of
dl

assembly
and
removal

noting
the

follOWing
matter

Measure
the
wheel

cylinder
shdlng
resistance

With
the
brake
tube
dIsconnected
as

shown
In

Figure
136
and
make
sure
that
the

slIding

resIstance
1
In

range
from
4

409
to

15432
Ib

Note
When

sliding
IS

improper
the
brake

shoe
does
not
return

smoothly

Tighten
the
brake
diSC
installatIOn
bold

flange

bolt
10
8
to
14
5
ft
Ib

T1ghten
the

adjuster
assembly
installatIOn
bolt

116to
159ft
Ib

HAND
BRAKE

Removal

Loosen
the
turn
buckle

adjusting
nut
and

separate
the
front
cable
from
the

rear
cable

CYLINDER
SIDE

306

j
E

i
1
205
58
2
283

J

1192
469

FREE
LENGTH

ADJUSTE
R
51
DE

12
0472

2

11
0433

42
1654

69
5
2
736

UNIT
mm
0

FREE
LENGTH

Fig
135

75