ESP DATSUN B110 1973 Service Owner's Manual

n

YR

f
f1

JC

1

r

8bD
l

Aiming
adjustment

For

aiming
adjustment
an

aiming
machine
head
i

l

tester

screen

type
tester
and
other
instruments
are

used

For
the

operating
instructions

of
those
instruments

refer

to
the
instruction

manual
of
the
instrument
to

be
used

For
the

correct

airning

adjustment
level
the

vehicle
to

the

ground
remove
all
loads

such
as

luggages
and

HIGH
BEAM

I

1126mm
44
3
in

I

it

E

U

o
h

H

I

10m
33

3
ft
1

r

passengers

except
for
the

standard

equipment
spare
tire

and
tools
and
make

sure
that

pressures
of
all
tires

are

correct
Vertical
and

horizontal
directions
of
the
head

lamp
are

adjusted
respectively
with
two

adjusting
screws

located
in

upper
and
side

portions
of
the
head

lamp

mounting
ring

lOW
BEAM

12

I

f

tt
1126mm

44
3
in

I

l

349mm

h
t
13
7
in

10m
33
3
ft
I

H

I

High
beam

Low
beam

H

j
h

j
h

Sedan
660

mm
26
0

in

2010

Coupe
664
mm
26
1

in
40
116

mm
4
57
in
204

mm
8
03
in

Van
660
mm

26
0
in

1010
204
mm
8

03
in

2040
466

mm

18
3
in

Fig
BE
19
Head

lamp
aiming
adjustment

FRONT
PARKING
AND

TURN

SIGNAL
LAMP

SIDE
FLASHER

MARKER
LAMP
AND

LICENSE

LAMP

When

removing
the
bulb
with
the
lens
removed

push

toward
the
socket
and
turn
the
bulb
counterclockwise

Fig
BE
20

Replacing
parking
and
turn

signa
lamp
bulb

BE
8

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

Fig
ET
11

Checking
spark
plug
gap

Checking
distributor

ignition
wiring

and

ignition
coil

Distributor

Check

centrifugal
advance
unit
for
loose
connection

or

improper
operation

If
it
is
not

operating

properly
the
trouble

may
be
due

to
a

sticky
spring
or

excessively
worn

parts

This

operation
needs
a
distributor
tester
As
to

inspection
procedure
and
reference
data
refer

to

relative

topic
under
Distributor
in
Section
EE

Page

EE
32

If
vacuum
advance
mechanism
fails
to

operate

proJr

erly
check
for
the

following
items
and
correct
the

trouble
as

required

1

Check
vacuum
inlet
for

signs
of

leakage
at
its

connection
If

necessary
retighten
or

replace
with
a

new
one

2

Check
vacuum

diaphragm
for
air
leak

If
leak
is

found
replace

diaphragm
with
a

new
one

3

Inspect
breaker

plate
for
smooth

moving

If

plate
does
not
move
smoothly
this
condition
could

be
due
to

sticky
steel
balls
or

pivot

Apply
grease
to
steel
balls
or

if

necessary
replace

breaker

plate
as
an

assembly

For
vacuum
advance
characteristics
refer
to
Distribu

tor
in

Section
EE

Page
EE
32

Ignition
wiring

Use
an
ohmmeter
to
check
resistance
of
secondary

cables
Disconnect
cables
from

spark
plugs
and
install

the

proper
adapter
between
cable
and

spark
plug
Remove

distributor
cap
from
the
distributor

with

secondary
cables
attached
Do
not
remove
the
cables

from
the

cap

Check
the
resistance
of
one

cable
at
a
time

Connect
the
ohmmeter
between

the

spark
plug
adapter

and

the

corresponding
electrode

inside
the

cap
If

resistance
is

more
than
30

000
ohms
remove
the
cable

from
the

cap
and
check
cable
resistance

only
If
the

resistance
is
still

more
than
30
000
ohms
replace
cable

assembly

T

I

II

Fig
ET
12

Checking
high
tension
cables

Ignition
coil

Check

ignition
coil

for

appearance
oil

leakage
or

performance
For
details
refer
to
Section
EE

Page

EE36

Checking
distributor

cap
and
rotor

Note
This

operation
is
to
be

performed
while

chekcing

distribuotr

points
Inspect
distributor

cap
for

cracks
and
flash
over

External
surfaces
of
all

parts
of

secondary
system
must

be
cleaned
to
reduce

possibility
of

voltage
loss
All
wires

should
be
removed
from
distributor
cap
and
coil

so
that

terminals
can
be

inspected
and
cleaned
Burned
or

corroded
terminals
indicate
that
wires
were
not

fully

seated
which

causes
arcing
between
end
of
wire

and

terminal
When

replacing
wires
in

terminal
be
sure

they

are

fully
seated
before

pushing
rubber

nipple
down
over

tower

Check
distributor
rotor
for

damage
and
distributor

cap
for
cracks

ET
7

EMISSION
CONTROL
AND

TUNE
UP

Operation
manual
transmission

equipped
model

The

operation
of
the
solenoid
is

by
means
of
the

movement
of

the

speedometer
needle

When
vehicle

speed
falls
below
16

km
h

10

MPH
the

needle
movement

produces
a

signal
which
in
turn
is

amplified
to
actuate
the

solenoid

I
Vehicle

speed
Speed
Throttle

Throttle

switch
opener

opener

solenoid

Below
16
km
h
Not

10
MPH
ON
ON

actuated

Above

16
km
h

OFF
OFF

Actuated

10
MPH

Operation
automatic
transmission

equipped
model

The

solenoid
is

operated
by
an
inhibitor

switch
which

actuates
the
solenoid

only
when
the
transmission
is

placed
in

the
N
or
P

position

c
fil

rn

AT057

Fig
ET
18

Inhibitor
switch
installation

Checking
and

adjusting
throttle

opener

Principally
it
is

unnecessary
to

adjust
the
throttle

opener
however
if
there
is

any
requirement
the

adjust

ment

procedure
is
as

follows

Prepare
the

following
tools

1
A

tachometer
to
measure
the

engine

speed
and
a

screwdriver

2
A
vacuum

gauge
and

connecting
hose

ET
13
Notes
a
A

quick

response
boost

gauge
such

as
Bour

don
s
tube

type
is
recommended
Do
not

use

mercury
manometer

b

Any
special
tools

are
not

required

Warming

up

Warm

up
engine
until
it
is
heated

to

operating

temperature
Make
sure
that

the
automatic
choke
valve

is

fully
open

Connecting
vacuum

gauge

Disconnect
vacuum
hose
between
intake

manifold
and

automatic

temperature
controlled
air

cleaner
install

a

vacuum

gauge
to
intake
manifold
connector
as
shown

in

Figure
ET

19

1
Intake
manifold

2
Connector

3
Vacuum

gauge
4
Vacuum
control
valve

5
Throttle

opener

solenoid

Fig
ET
19

Adjusting
throttle

opener

Deenergizing
solenoid

Disconnect
throttle

opener
and
vacuum

cutting
valve

solenoid
harness

and
free
solenoid

Adjusting
idling

Check
the

engine
idling
Adjust
if

necessary

Engine
idling

rpm
Idling

timing

I
CO

degree

SO

BTDC

I
L51c0
5

SO

BTDC

I
I
S
1c
0
5
M
T
Car

A
TCar
800

6S0
in
D

ENGINE

Standard

IMaXimum

Connecting
rod
bend

or
torsion

per
100
mm

or
3
94
in

length

mm
in
o
os

0
0020

0
07

0
0028
0
1

0

0039
bend

torsion

3

When

replacing
the

connecting
rod
select

the
rod

so

that

weight
difference
between
new
and
old

rods
is

within

S

gr
0

18
oz
in

unit

weight

4
Install

connecting
rods

with

bearings
on
to
the

corresponding
crank

pins
and
measure
the
thrust
clear

ance
If

the
measured

value
exceeds
the
limit

replace
such

connecting
rod

Stan
dard
Maximum

Big
end

play

mm
in
0
2

to
0
3

0

0079
to
0
Ql18
0
4
0

0IS7

l
8ig
end

plav

A

t

f

L

Fig
EM
57

Big
end

play
check

CRANKSHAFT

Check
the
crankshaft

journal
and

crank

pin
for
scars

biased
wear

and

cracks

Repair
or

replace
as

required

EM
20
27
00
to
27
05
1
063
to
1
065

19

1Ot01940

r
19
10t019
40

fO
752
to
0
764

Ii
10
75Z
to
0
764

I

c
1

r

1tf
1

I

J
X
I

34
97
to

35
03

t

11
377
to
1
379

49
951

to
49

964
dia

11
9666

to
1

96711

ALL
MAIN
BEARING

JOURNALS

Fig
EM
58

Crankshaft

Standard

Taper
out
of
round

of
crank

journal
and

crank

pin
mm

in
0
01

0

0004
44
961
to
44
974
die

11
7701
to
1

7706

ALL
CRANK
PINS

UNIT
ffim

in

Maximum

0
03

0
0012

2

Check
the

crankshaft
for
bend
If
the

bend
exceeds

the
limit

replace
the

crankshaft

Bending
limit

0
05mm
0
0020
in

Standaia
0
015mm
0

0006
in
or
less

Fig
EM
59

Crankshaft
bend
check

ENGINE
MECHANICAL

Standard
Maximum

Crankshaft
bend

mm
in
0
05

0

0020
0

015

0

0006

Note

When
measuring
bend
use
a
dial

gauge

Bend
value
is

a
half
of
the
reading
obtained
when

the
crankshaft
is
turned
once
with
the
dial

gauge

applied
to

its
center
journal

3

After
regrinding
the
crankshaft
fmish
it
to
the

necessary
size
indicated
in
the
lists

on

pages
EM
25

by

using
an

adequate
undersize
bearing
according
to
the

extent
of

required
repair

4
Install
the
crankshaft
in
the

cylinder
block
and

measure
the
thrust
clearance

Fig
EM
60

Crankshaft
end

pldy
check

Standard
Limit

Crankshaft
free
end

play
rom

in
0
05
to
0
15

0
0020
to
0
0059
0
30

0
D118

5
Check
the

main
drive
shaft

pilot
bearing
at
the
rear

end
of
the
crankshaft
for
wear
and

damage

Replace
it
if

any
defects
are
detected
BUSHING
AND
BEARING

Measuring
main

bearing

clearance

Check
all

bearings
and

bushings
for
seizure
melt
scar

and

burr

Replace
bushings
if

any
defects
are
detected

2

Wipe
off
oil

and
dust

especially
the
rear
of
the

bushing

3

Set
the
main

bearing
on
the

cap
block

Scale

Plastigage

EM141

Fig
EM
61

Plastigage

4
Cut
a

plastigage
to
the

width
of
the

bearing
and

place

it
in

parallel
with
the
crank

pin
getting
clear

of
the
oil

hole

Install
the

cap
on
the
assembly
and

tighten
them

together
with
the

specified
torque

Tightening
torque

5

0
to
6

0

kg
m
36

to
43

ft
lb

Note
Be

sure
not
to
turn

the
crankshaft
when
the

plastigage
is

inserted

5
Remove
the

cap
and
measure
width
of
the

plastigage

at
its
widest

part
with
the
scale

printed
in
the

plastigage

envelope

EM
21

ENGINE

Fig
EM
75
Piston
and

connecting
rod

assembly
installation

Notes
8

I
nsert

the

pistons
in
the

corresponding
cyl

inders

b

Apply
engine
oil
to

parts
as

requried

c

Arrange
pistons
so

that
the
F
mark
on
the

piston
is
faced
to

the
front
of
the

engine

d
Install

piston
rings
at
180
to
each
other

avoiding
to
fit
them
in
the
thrust
and

piston

pin

axial
directions

Fig
EM
76

Connecting
rod

cap
installation

Note

Arrange
connecting
rods
and

connecting
rod

caps

so
that
the

cylinder
numbers
are
faced

toward
the

same
direction

EM
28
q

Install

the

connecting
rod

cap

Tightening

torque

32
to
3
8

kg
m
23
I

to
7
S
ft
lb

10
Make

sure
that
end

play
of
the

connecting
rod

large

end
is

correct

Big
end

play

j

I

Fig
EM
77

Big
end

play
check

Big
end
end

play
0
2

to
0
3

0

0079
to
0
0118

11
Install
the
camshaft
and

crankshaft

sprockets

temporarily
for

adjustment
of
the
tooth

height
by

using

adjusting
washers

Height
difference

mm
in
less
than
O
S

0
0197

Adjusting
washer

thickness
mm

in
O
IS
0
006

Fig
EM
78

Adjusting
sprocket
tooth

height

ENGINE

17
Install
the
oil
strainer
and
the
oil

pan
using
the

gasket

Apply
sealing
agent
on

hath
surfaces
of
the

gasket

especially
on
the
front
and
rear

portions
of

the
oil

pan
Oil

pan
tightening
torque

0
4

to
0
6

kg
m

I
9
to
4
3

ft

lbJ

I
R
I
nvcrt
the

engine
and

install
the

cylinder
head

assembly
and

gasket

Cylinder
head

gasket
with
O

ring

Cylinder

block

side

Steel

sheet
D

QCO
0
0

i

O
1

nrr
11

I

Li
I
I

Vo
o
f

C
C
r
c

Sealing
agent
not

required

Cylinder

head

side

Joint

sheet

Remarks
Install
without

applying
sealing
agent

Be
careful
not
to

damage
the

push
rod
side

because

this
side
has

previously
been

provided

with

sealing
agent

Fig
EM
80

Cy
linder
head
installatjo
1

Note

Apply
sealing
agent
overall
the

cylinder
block

surface
Place
the

gasket
on
it
and

apply
sealing

agent
to
the

gasket
top

19

Tighten
the

cylinder
head
bolts
to
the

specified

torque

The

cylinder
head
uses
two

types
of
installation
bolt

one
is
for
the
center

right
side
and
the
other
is
for
all

other

positions
The

bolt
for
the

center

right
side
has
a
O

ring

j
I

Y

J
CYlinder
head

I
I
Cvlinderheadgasket

I
Cylinder
block

O

ring
To
be

inserted
into
hole
in

cylinder
block

T

mark
on
its
head

Tightening
torque

5
5
to
6
0

kg
m
40
to

43
ft
lb

fI
J
D

Bolt
number
Diameter
Identification
mark

CD
7
9
to
8
1

1

0
3111
to
0

3189
T
mark

Except
for

CD
8
87

to
9
03

o
not
marked

0
3492
to
0
3555

Fig
EM
8t
Head
bolt

segment

l

Fig
EM
82

Tightening
sequenc

EM
3D

ENGINE

When
the

engine
is

operating
under

heavy
load
the

air
control
valve

fully
opens
the
underhood
air

inlet
to

obtain
full

power
regardless
of
the

temperature
around

sensor

TEMPERATURE
SENSOR

Removal
and

installation

Removal

Hatten
the

tabs
of

clip
with

pliers

2
Pull
out
hoses

Note
Note
the

respective
positions
of
the
hoses
from

which

they
were
removed

3

Pry
the

tab
of

clip
with
a
screwdriver

4
Take

off
the
sensor
and

clip

I

@

f
6

7

CID

f

j
EC019

1

Pipe

2
Catch

3
Fixed
with
adhesive

4
Hose

5
Tab

6

Clip

7

Gasket
rubber

Fig
EF
6

Removing
sensor

Installation

I
Install
the

sensor
and

gasket
assembly
in
the

proper

positions

EC020

Fig
EF
7

Installing
sensor
This
control

of
carburetor
air

temperatures
allows

leaner
carburetor

calibration
with

accompanying
reduced

emissions
than

conventional
controls
and

also
eliminates

carburetor

icing

2
Insert

clip
Be

sure
to
hold
the

sensor
at
the

portion

A
in

Figure
EF
7
to
avoid

damage

Press
fit
the

clips
into
the

pipe
while

straightening
the

tabs

Note
Use

care
not
to

damage
the
sensor

EC021

Fig
EF
B

InseTting
clip

3
COIUlect
the
hoses
to
their

proper
positions

EC022

Fig
EF
9

Connecting
hoses

EF
4

ENGINE

Step
system

The
construction
of
this

system
corresponds
to

the

idling
and
slow
system
of
the

primary
system

This

system
aims
at
the

power

filling
up
of
the

gap

when
fuel

supply
is

transferred
from
the

primary

system
to
the

secondary

system
The

step
port
is

located

near
the

auxiliary
valve
in
its

fully
closed

state

Anti

uesetmg

solenoid

Ignition
switch

OFF
ON

I

L
i1

7

I
Anti

dieseling
solenoid

valve

When
the

ignition
key
is
turn

to
OFF

current
will

not
flow

through
the

solenoid
and
the
slow

system
fuel

passage
is

closed
to
shut
down

the

engine
without

dieseling

If
anti

dieseling
solenoid
is
found

defective

replace
the

solenoid
as
an

assembled
llnit

Fuse

Ignition
switch

T
Baitery

717

Fig
EF
20
Schematic

drawing
of
anti

dieseling
solenoid

Removal
and

installation
of
anti
dieseling
solenoid

Removal

Solenoid
is

cemented
at

factory
Use

special
tool

STl9
I

50000
to

remove
a

solenoid

When

this
tool
is

not
effective
use
a

pair
of

pliers
to

loosen

body
out
of

position

Installation

I

Before

installing
a
solenoid
it
is
essential

to
clean
all

threaded

parts
of

carburetor
and
solenoid

Supply

screws
in
holes

and
turn
them
in

two
or
three

pitches

2

First
without

disturbing
the

above

setting
coat

all

exposed
threads
with
adhensive
the
Stud
Lock
of

LOCTlTE
or

equivalent

Then

torque
screws
to
35
to
55

kg
cm
30
to
48

in
lb

using
a

special
tool
STl9150000

After

installing
anti

dieseling
solenoid
leave

the

carburetor

move
than
12
hours
without

operation

3
Mter

replacement
is

over
start

engine
and
check
to

be

sure
that
fuel
is
not

leaking
and
that
anti

dieseling
solenoid
is
in

good
condition
Notes
a
Do
not
allow
adhesive

getting
on
valve

Failure
to
follow
this
caution
would
result
in

improper
valve

performance
or

clogged
fuel

passage

b

In

installing
valve
use
caution
not
to
hold

body
directly
Instead

use
special
tool

tight

ening
nuts

as

required

Float

system

Fuel
fed
from
the

fuel

pump
flows

through
the
filter

and
needle
valve
into
the
float
chamber
A
constant
fuel

level
is
maintained

by
the
float
and

needle
valve

As
ventilation
within
the
float

chamber
is
of
an

air
vent

method

Electric
automatic
choke

An
electric
heater

warms
a

bimetal
interconnected
to

the
choke
valve
and
controls
the

position
of
choke
valve

and
throttle
valve
in
accordance
with
the

elapse
of
time

or

the
warm

up
condition
of

engine

The
construction
and
function
of
each

part
of
this

automatic

choke
are

as
follows
See

Figure
EF
21

EF
12