engine DATSUN B110 1973 Service Repair Manual

ENGINE

Overheating

Normal
Carbon
fould

Fig
EE
74

SpaTk
plug
Life

4

After

cleaning
dress
electrodes
with
a

small
fine
fIle

to
flatten
the
surfaces
of
both

center
and
side
electrodes

in

parallel
Set

spark

plug
gap
to

specification

5

Install

spark
plugs
and

torque
each

plug
to
1
5

to
2

0

kg

m
ll
to
15
ft
lb

6
Connect

spark
plug
wires

CLEANING
AND
REGAP

Clean

spark
plugs
in
a

sand
blast

type
cleaner
Avoid

excessive

blasting
Clean
and
remove
carbon

or
oxide

deposits
but
do
not
wear

away

porcelain
If

deposits
are

too
stubborn
discard

plugs

Mter

cleaning
spark

plugs
renew

firing
surface

of

electrodes
with
me
mentioned
above
Then

gap
spark

plugs
to
0
8
to

0
9
mm
0

030
to
0
035

in

using
a
round

SPECIFICATIONS
AND
SERVICE
DATA

Make

Model

Size
Screw
dia

x
Reach

mm
in

Plug
gap
mm
in

Tightening

torque
kg
m
ft
b

EE
38
wire

feeler

gauge
All

spark

plugs
new
or
used
should
have

the

gap
checked
and
reset

by
bending
ground
electrode

Fig
EE
75

Setting
spaTk
plug
gap

NGK

HITACHI

BP5ES
1A6PW

14
x

19
0
55
x
0

75

0

8
to
0

9
0
031
to
0
035

1
5
to

2
5
11
0
to
15
0

ENGINE
ELECTRICAL
SYSTEM

TROUBLE
DIAGNOSES

AND

CORRECTIONS

When

engine
does
not

start

If
there
is
no
trouble
in
fuel

system

ignition
system

should
be
checked
This
can
be

easily
done

by
detaching
a

high
tension
cable
from

spark
plug
starting
engine
and
observing
condition
of

spark
that
occurs
between

high

tension

cable
and

spark
plug
terminal
After

checking
this

repair
as

necessary

Length
of

Trouble
location
Cause
Remedies

spark
gap

No

sparks
at
all
Distributor

Defective
insulation
of
condenser

Replace

Breakage
of
lead
wire
on
low
tension
side

Repair

Defective
insulation
of

cap
and

rotor
head

Replace

Point
does

not

open
or
close

Repair

Ignition
coil
Wire

breakage
or
short
circuit

of
coil

Replace
with
new

one

High
tension
cable
Wire

coming
off

Repair

Defective
insulation

Replace

I

to
2
mm

0
0394
Distributor
Point

gap
too
wide

Correct

to
0
0787
in

or

Oil

sticking
on

point
Clean

irregular

Point
burnt

too
much

Replace

Less
than
6

mm
Spark
plugs
Electrode

gap
too
wide
Correct
or

replace

0
2362
in

Too

much
carbon
Clean
or

replace

Broken
neck
of
insulator

Replace

Expiry
of

plug
life

Replace

2

When

engine
rotates
but
does

not
run

smoothly

In

this
case
there

are

many
causes
resulting
from
the

ignition
system
and

other

engine
conditions

not
related
to
ignition
Therefore
first

complete

inspection
of

ignition

system
should
be
carried
out

EE
39

Troubles

Engine
misses

Engine
causes

knocking
very

often

Engine
does

not

give
enough

power
Trouble
location

Distributor

Ignition
coil

High
tension
code

Spark
plugs

Distributor

Spark
plugs

Distributor

Spark
plugs
ENGINE

Causes

Dirty
point

Improper
point
gap

Leak

of

electricity
of

cap
and
rotor
head

Defective
insulation
of
condenser

Defective
arm

Defective

spring
of
arm

Breakage
oflead
wire

Worn

out
or

shaky
breaker

plate

Worn
out
or

shaky
distributor
shaft

Layer
short

circuit
or
use
of

inferior

quality

Deterioration
of

insulation
and
leak

of

electricity

Dirty

Leak
of

electricity
at

upper
porcelain
insu

lator

Improper
and
advance

timing

Coming
off
or

breakage
of

governor
spring

A

pin
or
a

hole
of

governor
portion
worn

out

Burnt
too
much

Improper
and
retarded

timing

Defedive
function
of

governor

Dirty
point

Point

gap
too
narrow

Dirty

EE
40
Remedies

Clean

Correct

Repair
or

replace

Replace

Oil
shaft

Replace
assembly

Replace

Replace
assembly

Replace
assembly

Replace
with

good

one

Replace

Clean

Repair
or

replace

Correct
the

fitting

Correct
or

replace

Replace

Replace

Correct
the

fitting

Replace
assembly

Clean

Correct

Clean

DATE
ENGINE
ElECTRICAL
SYSTEM

SERVICE
JOURNAL
OR
BUl
LETIN
REFE
RENCE

JOURNAL
or

BULLETIN
No
PAGE
No
SUBJECT

EE
41

ENGINE

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JOURNAL

or

DATE

BULLETIN

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PAGE
No

SUBJECT

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1
1111
1

EE
42

DATSUN
1200

MODEL
B
110
SERIES

I
NISSAN

I

NISSAN
MOTOR
CO
LTD

TOKYO
JAPAN
SECTION
ER

ENGINE

REMOVAL

INSTAllATION

It

ENGINE
MOUNTING

ENGINE
REMOVAL
AND

INSTALLATION
ER
1

ER
4

ENGINE
REMOVAL
INSTAllATION

ENGINE
MOUNTING

CONTENTS

FRONT
ENGINE
MOUNTING

Removal

Reinstallation
ER
1

ER
1

ER
2
REAR
ENGINE

MOUNTING

Removal

Reinstallation
ER
2

ER
2

ER
3

r

0

iQ
@

q

Fig
ER
1
Structural
view

of
engine
mounting

This

engine
adopts
the

same

engine

mounting
method

as
AIO
The

strength
of
overall

engine

mounting
construc

tion
however
has

been
increased
in

response
to
the

increased

engine
weight
and

engine

output
Consequently

the

parts
used
for

engine
mounting
arc

not
inter

changeable
with
those
for
the

A
10

although
their

shapes

and
constructions
are

similar
FRONT
ENGINE

MOUNTING

Removal

I

Suspend
the

engine
with
wire

or
chain

2

Loosen
the

front

engine
mounting
insulator

upper

nuts
both
sides

ER

1

CHASSIS

3
Make
sure
that
the

wire
or
chain
used
to

suspend
the

engine
is

positioned
properly
so
that

no
load
is

applied
to

the

insulators
and

remove
the

nuts

completely

4

Lift

up
the

engine
and

separate
the

insulators
from

the

engine
mounting
brackets

l

J
o

II
f

T
io

I
t

i
1
A

t

t

I

21
u

I
1

Qj
1

It

I

j
fi
I
I

lt

y
Ii

Fig
ER
2

Removing
front
mounting

Reinstallation

Reinstall
the

engine
mounting
insulators
in

reverse

sequence
of
removal

noting
the

following
matters

Both
the
left
and

right
engine
mounting
insulators

are
used

commonly
However
when

installing
them

pay

attention
on
their

upper
and
lower
directions
When

they

are
installed

correctly
the

positioning
pin
is

projected

downward

f

9
POSITIONING
PIN

I
FRONT
CROSS
MEMBER

Fig
ER
3
Insulator

installinx
position
2

Shape
of
the

right
side
bracket
differs
from
that

of

the

left
side

bracket

Tighten
the
bolts
and
nuts

correctly

md

securely

Bolt
CD
V
Total
four

each
for

both
sides
Tightening
torque

kg
m

ft
Ib

1

6
to
2
1

11
6
to
15
2

0
9
to
I

2

6
5
to

8
7
Nut

@
i
Total
four
each

for

both
sides

@
CID

1

@

CD

l

Fig
ER
4
Front

mounting
installation

REAR
ENGINE
MOUNTING

Removal

Support
the
transmission
with

ajack
or

other

proper

stand

so
that
the

engine
does
not

drop
down

2
Remove
the

mount
member
installation
bolts
Now

the

engine
can
be

separated
from
the

body

3

The
mount
member
is

provided
with
an

opening
for

removing
and

installing
operations
Remove
the
nuts

and

separate
the
insulator
from
the
transmission

ER
2

ENGINE
REMOVAL
INSTAllATION

Fig
ER
5
Rear

mounting

4
Remove

four
bolts
and

separate
the
insulator
from

the

engine
mount
member

Reinstallation

Reinstall
the
rear

engine
mounting
in
reverse

sequence

of
removal

noting
the

following
matters

I

Tighten
the
nuts
and
bolts

correctly
and

securely

Lp

FRONT

FOR
MANUAL

TRANSMISSION
Nut

@

mount
member
insulator

Nut

@@

transmission
insulator

Bolt

CD@

mount
member

body
Tightening
torque

kg
m
ft
Ib

0

6
to
0
8

4
3
to
5
8

1

9
to
2
6

l3
to
18
8

3
2
to
4
0

23

1
to

28
9

Fig
ER
6
Rear

mounting
installation

2

Carefully
arrange
the

front
and

rear
directions
of
the

rear

engine
mounting
when

installing

tp

FRONT

FOR
AUTOMATIC
TRANSMISSION

Fig
ER
7

R
ar

mounting
specifications

ER
3

CHASSIS

ENGINE
REMOVAL
AND
INSTALLATION

CONTENTS

PR
ECAUTIONS

REMOVAL
ERA

ERA

PRECAUTIONS

Be
sure
to
use
fender
cover

so
that
the

body
is

not

damaged

2
When

lifting
the

engine
or
when

jacking
up
the

engine
pay
attention
for

safety
and

carry
out

operation

correctly
so
that
the

parts
are
not

damaged

REMOVAL

I

Removing
hood

Open
the
hood

remove
four
installation
bolts
and

remove
the
hood

2
Disconnect

the

battery
cable
from
the
terminal

3

Removing
radiator

Drain
water

from
the

radiator
disconnect
two
radiator

hoses
remove

four
radiator
installation
bolts
and
remove

the
radiator

Fig
ER
8
Removin
radiator

4

Removing
cables
and
hoses

Disconnect
the

following
cables
hoses
and
wires

High
voltage
cable
between

ignition
coil
and

distribu
INSTAllATION
ER
6

tor

Cable
to
the
thermal
transmitter

Cable
to
the
oil

pressure
switch

Cable
to
the

primary
side

of
the
distributor

Cable
to
the

starting
motor

Fuel
hose

Cable
to
the
alternator

Heater
hose
for
model
with
heater

only

Wires

for
accelerator
and
choke
The

operation
will
be

carried
out

more

easily
by
removing
the
air
cleaner

Fig
ER
9

Right
side

of
engine
compartment

Fig
ER
10

Left
side

of
engine
compartment

ERA