DATSUN B110 1973 Service Repair Manual

GENERAL
INFORMATION

steering
wheel

should
be
secured
to
maintain
a

straight

ahead

position

TIE
DOWN

The

front
tie
down
hook
is

used
the

both
front
end
of
tension
rod
Do
not

apply
the
hook
at
the
center
of

tension
rod
or

suspension
member

The
rear
tie
down
hook
is
used
the

both
front
shackle

of

rear

spring

APPROXIMATE
REFILL
CAPACITY

Liter
U
S
A

measure

I
Imp
measure

Sedan

Fuel
tank

Coupe

with
heater

Cooling
system

without
heater
40
L

38

L

4
9

L

4
2
L

2
7
L

0
54

L

1
2
L

5
5
L

0
75
L

0
24

L
Oil

pan

Oilf1lter

Transmission

case
Manual

Automatic

Differential

case

Steering
gear
box

RECOMMENDED

GASOLINE
FUEL

Use
a
no
lead

or
low
lead

gasoline
with
a
minimum

octane

rating
of
87
the

average
of
the
Research
and
1O

gal
8Y

gal

10

gal
8

gal

5

v

qt
4

M
qt

4
Y
6

qt
3

Y

qt

2Ji

qt
2

qt

1

pt
I

pt

2

pt
2

pt

5Ji

qt
4

qt

1

pt
1

pt

pt
pi

Motor
Octane
Numbers
in
the
U
S

When
the

figure
is

based
on
the
Research

Octane
Number
use
a

gasoline

with

a
minimum
octane

rating
of

91
RON
in

Canada

RECOMMENDED
LUBRICANTS

GI
5
r

GENERAL

INFORMATION

RECOMMENDED
LUBRICANT
SPECI

FICATIONS

Item

Gasoline

engine
oil

o
Transmission

and

steering

Differential

Automatic

TIM
fluid

Multipurpose
grease

Brake

and
clutch
fluid

Antifreeze
coolant

i
Specifications

SAE
Classification

SO
or
SE

API
G
L
4

API
GL
5

Type
DEXRON

NLGI2

DOT
3

Long
Life
Coolant

GI
6
Remarks

Furthermore
refer
to

SAE
recommended

viscosity

table
See

Page
GI
5

Lithium

soap
base

GENERAL
INFORMATION

NISSAN

LONG
LIFE
COOLANT
L
L

C

The

cooling
system
has
been
filled
at

factory
with
the

Long
Life
Coolant
L
L

C
and

water
for
aU

season

protection
This

coolant

provides
freezing
protection
to

150C
50F

in
a
30

Long
Life
Coolant
ratio
and
also

protects
the

engine
against
corrosion
If
outside

tempera

ture
falls
down
to
350C
3IOF
fill

a
50
50
mixture
of

the

Long
Life
Coolant

and
water
The

Long
Life
Coolant

is
an

ethylene
glycol
base

product
containing
any
glyc

erine

ethyl
or

methyl
alcohoL
The

Long
Life
Coolant

must
not
be
mixed
with

any
other

product
scale
nor

sediment
accumulated
in

water

jacket
or
radiator

adverse

ly
affects
heat
radiation

efficiency
When
the
coolant
is

changed
the

system
should
be

thoroughly
flushed
out

by

opening
the
two
drain

plugs
one

at
the
bottom
of
the

radiator
and
the
other
at
the
left

side
of
the

cylinder

block
until
clean

water
comes
out

Always
use

clean
soft

water
in
the
radiator
for

filling
the
radiator
DC
OF

01321

30

1
221
I

I

I

I

1

I

I

I

10
20
30
40
50
10
14

20

1
4

40

1
401

50

581

Fig
GI

13
Protection

concentration

Boiling
point

Percent

0
9

kg
cm2
Freeze

coneen

Sea

level

cooling
sys

protection

tratioo

tern

pressure

30
1060C
1240C
15OC

2210
F

2550
F

5OF

50
1090C

1270C
350C

2280
F
26IOF
3IOF

SERVICE

JOURNAL
OR
BULLETIN
REFERENCE

DATE
JOURNAL

or

BULLETIN
No
PAGE
No

SUBJECT

GI
7

GENERAL
INFORMATION

SERVICE
JOURNAL

OR
BULLETIN

REFERENCE

JOURNAL
or

DATE

BULLETIN
No
PAGE
No

SUBJECT

I

I

I

I

I

I

I

I

I

GI
B

SERV

I
CE

0

M

ANUttlJ

j
f

l

DATSUN
1200

MODEL
B

110
SERIES

rNlSSAN
I

NISSAN
MOTOR
CO

LTD

TOKYO

JAPAN
J

f

p

l
SECTION
ET

GII

EMISSION

CONTROL

AND

TUNE

UP

EMISSION
CONTROL
SYSTEM

AND
ENGINE
TUNE
UP

SERVICE
DATA
AND

SPECIFICATIONS

TROUBLE
DIAGNOSES
AND

CORRECTIONS
Ell

El

25

El
26

EMISSION
CONTROL
AND
TUNE
UP

EMISSION
CONTROL
SYSTEM

AN
D

ENGINE
TUNE
UP

CONTENTS

BASIC
MECHANICAL
SYSTEM
ET

Checking
and

adjusting
dash

pot

Adjusting
intake
and
exhaust
valve
automatic
transmission
model

only
ET
9

clearances
ET
1

Checking
carburetor
return

spring
ET
9

Checking
and

adjustin9
drive
belt
ET
2

Checking
choke
mechanism
choke
valve

Retightening
cylinder
head
bolts
manifold
and

linkagel
ET
9

nuts
and
carburetor

securing
nuts
ET
2

Checking
anti

dieseling
solenoid
ET
9

Checking
engine
oil
ET
2

Replacing
fuel
filter
ET
10

Replacing
oil
filter
ET
3

Checking
fuel
lines
hoses

pipings

Changing
engine
coolant
L
L
C
ET
3
connections
etc
ET10

Checking
cooling
system
hoses
and
THROTTLE
OPENER

CONTROL
SYSTEM

ET
10

connections

ET
4
Checking
and

adjusting
throttle

opener
ET
13

Checking
vacuum

fittings
hoses
and
TRANSMISSION
CONTROLLED
VACUUM

connections

ET
4
ADVANCE
SYSTEM

ET
17

Checking
engine
compression
ET
4
Checking
electrical
advance
control

system
ET
19

Checking
exhaust
manifold
heat
control
AUTOMATIC
TEMPERATURE
CONTROL
AIR

valve

ET
5
CLEANER
A
T
C
AIR
CLEANER

ET
20

IGNITION
AND
FUEL
SYSTEM

ET
5
Replacing
carburetor
air
cleaner
filter

ET
20

Checking
battery
ET
5
Checking
hot
air
control
valve

ET
20

Checking
and

adjusting
ignition
timing

ET
5
CRANKCASE
EMISSION
CONTROL

Checking
or

replacing
distributor
breaker
SYSTEM

ET
22

point
condenser
and

spark
plugs
ET
6
Checking
or

replacing
PCV
valve

ET
23

Checking
distributor

ignition
wiring
and

Checking
ventilation
hoses

ET
23

ignition
coil

ET
7
EVAPORATIVE
EMISSION
CONTROL

Checking
distributor

cap
and
rotor

ET
7
SYSTEM
ET
23

Adjusting
carburetor
id
Ie

rpm
and

Checking
engine
compartment
hose

mixture
ratio

ET

8
connections
and
fuel

vapor
control
valves
ET
23

Checking
fuel
tank

vacuum
relief
valve

operation
ET
24

BASIC
MECHANICAL
SYSTEM
1
Start

engine
and
run
it

until
it
is
heated
to

operating

temperature
or
at
least
more
than
800C

I760F
of

engine
oil

temperature
then

stop
engine
Adjusting
intake
and
exhaust

valve
clearances

Valve
clearance

adjustment
should
be
made
while

engine
is

stationary

To

adjust
proceed
as
follows
2
Rotate
crankshaft
to

bring
No
1

cylinder
in

top
dead

center
on
its

compression
stroke

3

Remove
valve
rocker
cover

to

gain
access
to
valve

ET
1

ENGINE

operating
mechanism

Adjust
valve

clearance
at

following
four

points
while

engine
is
still

hot

G
Exhaust

valve
of
No
1

cylinder

CV
Intake
valve

of
No
1

cylinder

CID
Intake
valve

of
No
2

cylinder

CID
Exhaust
valve
of
No
3

cylinder

Note
Numbers
in

parenthesis
agree
with
those
in

ac

companying
sketch

I

Fig
BY

1

Adjusting
valve
clearance

4

Again
rotate

crankshaft
one
turn
so
that
No
4

piston

is
in

top
dead
ce
lter
on
its

compression
stroke

Adjust

follnwing
valves

@
Exhaust
valve
of
No
2

cylinder

@
Intake

valve
of
No
3

cylinder

f
Intake
valve

of
No
4

cylinder

@
Exhaust
valve

of
No
4

cylinder

Adjustment
should
be

made
while

engine
is
hot
After

all

valves
have

been

adjusted
correctly
tighten
lock
nut

firmly
to

secure
the

adjustment

Vah
e
clearance

Hot
Intake

0
35

mm
0
014
in

Exhaust
Checking
and

adjusting
drive

belt

II

I

Fig
ET
2

Adjusting
drive
belt

tension

I

Check
for
a

cracked
or

damaged
V

belt

Replace
if

defective

2

Adjust
the
belt
tension
if

necessary

Belt
deflection
when

thumb

pressure
of
10

kg
22
0
lb

is

applied
midway
between

pulleys
10
to
15
mm

0
394

to
0
590
in

Retightening
cylinder
head
bolts

manifold
nuts

and
carburetor

securing

nuts

Cylinder
head
bolts

When
the

engine
is
in

cold

tightening
should
be
made

in

several

steps
and
in

sequence
shown
in

Figure
EM
82

page
EM
31

starting
with
the
center

toward
the

ends

Tightening
torque

1st
turn

2nd
turn
4

0
to
4
5

kg
m
29
to
33

ft
lb

5
5

to
6
0

kg
m

40
to
43
ft
lb

Then
warm

up
the

engine
and

retighten
the
bolts
to
the

specification
of
hot
condition

Tightening
torque
hot

6
0

to
6
5

kg
m
43

to
47
ft
lb

Other

tightening
torque

Manifold
nuts
0
9
to
14

kg
m
6
5
to
10
ft
lb

Carburetor
nuts
0
5

to
LO

kg
m
3

6
to
7
2
ft
lb

Checking
engine
oil

Oil

capacity
of

engine
including
oil
filter

ET
2

EMISSION
CONTROL
AND

TUNE
UP

Capacity

Maximum
3
3
L
X

US

gal
y

Imp
gal

2
3
L
US

gal
f

Imp
gal
Minimum

Make
sure
that

engine
oil
is

not
deteriorated
with

cooling
water
or

gasoline
Drain

and
refill
the
oil

if

necessary

Notes

a
A

milky
oil
indicates
the

presence
of

cooling

water

Find
the
cause
for

necessary
corrective
action

b
Oil
with

extremely
low

viscosity
indicates

dilution
with

gasoline

2
Check

oil
level
If
found
below
L

mark
refill
to

H
mark

on

gauge

Fig
ET
3

Checking

engine
oil
level

Replacing
oil
filter

The
oil
ftIter
is
of
a

cartridge
type
The
oil
filter

can
be

removed

using
oil
ftIter
wrench
STl9320000
Check
for
oil
leaks

through
gasketed

flange
If

any

leakage
is
found

retighten
slightly
If

necessary

replace

filter
as
an

assembly

2
When

installing
an
oil
filter

tighten

by
hand

Note
Do
not

overtighten
oil
filter
or
oil

leakage
way

result

Changing
engine
coolant
L

L
C

Nissan

long
life
coolant

LLC
is
an

ethylene
glycol
base

product

containing

chemical
inhibitors
to

protect
the

cooling
system
from

rusting
and
corrosion

The
L
L
C

does
not
contain

any

glycerine
ethyl
or

methyl
alcohol
It
will
not

evaporate

or
boil

away
and

can
be
used
with
either

high
or
low

temperature
thermostat
It

flows

freely
transfers
heat

efficiently
and
will
not

clog
the

passages
in
the

cooling

system
The
LL

C
must
not
be

mixed
with
other

products
This
coolant
can
be
used

throughout
tlie

seasons
of
the

year

Whenever

any
coolant
is

changed
the

cooling
system

should
be
flushed
and

refilled
with
a
new

coolant

Check
the
level
J

Percent
Boiling
point

0
9

kgfcm2
Freeze

concen

tration
Sea
level

cooling
sys
protection

tern

pressure

30
1060

C
I

240C
15OC

221OF
255OF
5OF

50
IUY
C
1270C
35
C

2280
F
2610F
3IOF

DC
OF

0

321

10
14

20141

50
58
I

I

I

I

1

I

I

1
30
1
22

40

401

40
10
30
50
20

EGOOl

Fig
ET
4
Protection

concentration

ET
3

ENGINE

Checking

cooling
system
hoses

and
connections

Check

cooling
system
hoses

and

fiHings
for
loose

connections
and
deterioration

Retighten
or

replace
as

necessary

Inspection
of
radiator

cap

Apply
reference

pressure
0
9

kg
cm1
13

psi
to

radiator

cap
by
means
of
a

cap
tester
to

see
if
it
is
in

good
condition

Replace
cap
assembly
if

necessary

ET012

Fig
ET
5

Testing
radiator

cap

Cooling
system

pressure
test

With
radiator

cap
removed

apply
reference

pressure

1
6

kg
cm1
23

psi
to
the

cooling

system
bv
means

of
a

tester
to
check

for
leaks

at
the

system
compo

nents

Water

capacity

with
heater

4
9
l
I
Y
US

gal
l
i

Imp
gal

without
heater
4
2

l

I
i
US

gal
i

Imp
gal

Fig
ET
6

Testing
cooling
system
pressure
Checking
vaccum

fittings
hoses

and
connections

Check
vacuum

system
fittings
and
hoses
for

loose

connections
and

deterioration

Retighten
if

necessary

replace
any
deteriorated

parts

Checking

engine
compression

Compression
pressure
test

Note
To
test

cylinder

compression
remove
all

spark

plugs
and
hold
tester

fitting
tightly
in

spark
plug

hole
of

cylinder

The

tester
is
used
to

determine
whether

cylinder

can
hold

compression
or
whether
there
is

excessive

leakage

past
rings
etc

I

Td10

l
y

Fig
ET

7

Testing

compression
pressure

Test

compression
with

engine
warm
all

spark
plugs

removed
and
throttle
and
choke
valve

opened
No

cylinder

compression
should
be
less

than
80

of

highest
cylinder
s
Excessive
variation

between

cyl

inders

accompanied
by
low

speed
missing
of
the

cylinder
usually
indicates
a

valve
not

properly
seating

or
a
broken

piston
ring
Low

pressures
even

though

uniform

may
indicate
worn

rings
This

may
be

accompanied
by
excessive

oil

consumption

Test

conclusion

If
one
or
more

cylinders
read
low

inject
about
one

tablespoon
of

enigne
oil
on

top
of
the

pistons
in
low

ET
4

EMISSION
CONTROL
AND

TUNE
UP

reading
cylinders
through
spark
plug
hole

Repeat

compression
check
on
these

cylinders

1

If

compression
improves
considerably

piston
rings

are
defective

2
If

compression
does
not

improve
valves
are

sticking

or

seating
improperly

3
If
two

adjacent
cylinders
indicate
low

compression

and

injecting
oil
on

pistons
does
not
increase

compres

sion
the

cause

may
be
a

cylinder
head

gasket
leak

between
the

cylinders
Engine
oil
and
coolant

in

cylinder
could
result
from
this

problem

Compression
pressure

12
S
to
14
S

kg
cm2

178
to

206

psi
at
3S0

rpm

Checking
exhaust
manifold
heat

control

valve

Check
heat

control
valve
for

proper
operation
If
it

does
not

operate
properly
trouble
is
due
to

excess
carbon

on
shaft
or

damaged
shaft
Clean
if

necessary
The
bimetal

should
be
also
checked
for

proper
function

IGNITION

AND

FUEL
SYSTEM

Checking

battery

Check

electrolyte
level
in
each

battery
celL

L

Unscrew
each

filler

cap
and

inspect
fluid
leveL
If

fluid

level
is

low
add

distilled
water
to

bring
level

up
to

app
roximately
10
to
20

mm
0

3937
to
0
7874
in
above

plates
Do
not
overfilL

2
Measure

specific
gravity
of

battery
electrolyte
ET002

Fig
ET
B

Checking
the

specific
gravity
of

battery
electrolyte

Permissible
Full

charge
value

value

at
200C
68OF

Frigid
climates
Over
1
22
1
28

Tropical
climates
Over
1
18
1
23

Other
climates
Over
L
20
1
26

Clean
the

top
of

battery
and
terminals
with
a
solu
lion

of

baking
soda

and
water
Rinse
off
and

dry
with

compressed
air

The

top
of

battery
must
be
clean
to

prevent
current

leakage
between
terminals
and
from

positive
terminal
to

hold
down

clamp

In
addition
to
current

leakage
prolonged
accumulation

of

acid
and
dirt
on
the

top
of

battery
may
cause

blistering

of

the
material

covering
connector

straps
and
corrosion

of

straps
After

tightening
terminals
coat
them
with

petro

laturn

vaseline
to

protect
them
from
corrosion

Checking
and

adjusting
ignition

timing

I

Check

spark

plugs
and
distributor
breaker

points
for

condition

2

Thoroughly
wipe
off
dirt

and
dust
from

timing
marks

on
crank

pulley
and
front

cover

3
Warm

up
engine
sufficiently

ET
5