cooling DATSUN PICK-UP 1977 Service Manual
[x] Cancel search | Manufacturer: DATSUN, Model Year: 1977, Model line: PICK-UP, Model: DATSUN PICK-UP 1977Pages: 537, PDF Size: 35.48 MB
Page 11 of 537
General
Information
APPROXIMATE
REFILL
CAPACITIES
I
Uter
u
s
measure
Imper
measure
Fuel
tank
I
45
J
IUi
gal
9
Ji
gal
Cooling
system
ManUal
transmission
I
8
0J
I
8Jiqt
7
qt
with
heater
Automatic
tr
smission
I
7
8J
I
8Y
qt
6Jiqt
Engine
lubrication
with
oil
f1lter
I
4
3J
I
4
Ji
qt
3
qt
system
without
oil
f1lter
I
3
8J
I
3Xqt
4
ql
I
4
speed
transmission
I
1
7J
I
3X
pl
3
pI
Manual
transmission
I
5
speed
transmission
I
2
0
I
4Y
pt
3Mpt
Automatic
transmission
I
5
s
J
I
5Uqt
4Uqt
Steering
gear
box
I
0
33J
I
pt
pt
Differential
carrier
I
1
0
J
I
2M
pI
I
pt
RECOMMENDED
FUEL
Use
an
unleaded
or
low
lead
gasoline
with
a
minimum
octane
rating
of
91
RON
Research
Octane
Nuniber
For
California
models
use
only
unleaded
gasoline
to
protect
the
catalytic
converter
from
contamina
tion
RECOMMENDED
LUBRICANTS
RECOMMENDED
SAE
VISCOSITY
NUMBER
C
ENGINE
on
12O
II
O
10Vt4ll
10Wf
2
I
ICWI
I
ao
40
J
SAE
5W
20
oils
ate
not
lecom
mended
for
sustained
high
speed
drivin
GEAR
On
I
J
w
c
30
20
0
20
40
60
80
100
Temperature
Range
Anticipated
Before
Next
Oil
Change
OF
GI
8
Page 19 of 537
Engine
Tune
up
BASIC
MECHANICAL
SYSTEM
ADJUSTING
INTAKE
AND
EXHAUST
VALVE
CLEARANCE
CHECKING
AND
ADJUSTING
DRIVE
BELT
RETIGHTENING
CYLINDER
HEAD
BOLTS
MANIFOLD
NUTS
AND
CARBURETOR
SECURING
NUTS
CHECKING
ENGINE
OIL
REPLACING
OIL
FILTER
CHANGING
ENGINE
COOLANT
ADJUSTING
INTAKE
AND
EXHAUST
VALVE
CLEARANCE
Note
After
tightening
cylinder
head
bolts
adjust
intake
and
exhaust
valve
clearances
Valve
clearance
adjustment
is
impossible
when
the
engine
is
in
oper
ation
1
Loosen
pivot
locking
nu
t
and
turn
pivot
screw
until
the
specified
clearance
is
obtained
while
cold
Using
service
tool
tighten
pivot
locking
nut
securely
after
adjustment
and
recheck
the
clearance
2
Warm
up
engine
for
at
least
several
minutes
and
stop
it
Measure
valve
clearance
while
hot
If
out
of
specifications
adjust
Unit
mm
in
Intake
0
20
0
008
Cold
Exhaust
0
25
0
010
Intake
0
25
OmO
Wann
I
Exhaust
0
30
0
012
STl
064000
I
ET009
Fig
ET
5
Adjusting
valve
clearance
CONTENTS
ET
7
PERMANENT
ANTI
FREEZE
COOLANT
CHECKING
COOLING
SYSTEM
HOSES
AND
CONNECTIONS
INSPECTION
OF
RADIATOR
CAP
COOLING
SYSTEM
PRESSURE
TEST
CHECKING
VACUUM
FITTINGS
HOSES
AND
CONNECTIONS
CHECKING
ENGINE
COMPRESSION
COMPRESSION
PRESSURE
TEST
TEST
RESULT
ET
7
ET7
ET
B
ET
B
ET
B
CHECKING
AND
ADJUSTING
DRIVE
BELT
ET
B
ET
B
ET
B
ET
B
ET
B
ET
9
ET
9
ET
9
2
Normal
drive
belt
deflection
is
8
to
12
mm
0
315
to
0
472
in
when
moderate
thumb
pressure
is
applied
midway
between
pulleys
1
Check
for
cracks
or
damage
Re
place
if
necessary
Compressor
pulley
8
to
12
mm
0
315
to
0
472
in
Idler
pulley
Water
pump
pulley
8
to
12
mm
0
315
to
0
472
in
Air
pump
pulley
Alternator
AC456
Fig
ET
6
Driue
belt
tension
RETIGHTENING
CYLINDER
HEAD
BOLTS
MANIFOLD
NUTS
AND
CARBURETOR
SECURING
NUTS
Tightening
torque
Cylinder
head
bolts
1st
turn
4
0
kg
m
29
ft
Ib
2nd
turn
6
0
kg
m
43
ft
Ib
3rd
turn
6
5
to
8
5
kg
m
47
to
61
ft
lb
Refer
to
the
following
tightening
torque
specifications
ET
7
Page 20 of 537
r
ManifolJ
nuts
I
2
to
1
6
kg
m
8
7
to
I
6
ft
lb
Carburelor
nuls
0
5
to
1
0
kg
m
3
6
to
7
2
fl
tb
Fig
ET
7
Tightening
s
quence
CHECKING
ENGINE
OIL
Check
if
oil
is
diluled
with
water
or
gasoline
Drain
and
refill
oil
if
necessary
Notes
a
A
milky
oil
indicates
the
presence
of
cooling
water
Isolate
the
cause
and
take
corrective
measure
b
An
oil
with
extremely
low
viscosity
indicates
dilution
with
gasoline
2
Check
oil
level
If
below
the
specified
level
raise
it
up
10
the
H
level
Engine
oil
capacity
including
oil
filter
Maximum
H
leven
4
3
liters
4
MUS
qt
3
Y
Imp
qt
Minimum
L
level
3
3
liters
3
f
US
qt
2
U
Imp
ql
REPLACING
OIL
FILTER
The
oil
mter
is
a
cartridge
type
and
can
be
removed
using
Oil
Filter
Wrench
STI9320000
I
Check
for
oil
leaks
past
gasketed
flange
If
leakage
is
found
retighten
just
enough
to
stop
leakage
If
retight
ening
is
no
longer
effective
replace
mter
as
an
assembly
Engine
Tune
up
2
When
installing
oil
filter
tighlen
by
hand
Note
Do
not
overtighten
oil
flIt
lest
leakage
should
occur
CHANGING
ENGINE
COOLANT
PERMANENT
ANTI
FREEZE
COOLANT
Permanent
anti
freeze
coolant
is
an
ethylene
glycol
base
producl
conlain
ing
chemical
inhibilors
10
protect
the
cooling
system
against
corrosion
The
anti
freeze
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
temperaturethennoslat
It
flows
freely
transfers
heat
effi
ciently
and
will
not
clog
passages
in
the
cooling
system
The
anti
freeze
must
not
be
mixed
with
other
products
This
coolant
can
be
used
through
out
the
seasons
of
the
year
Whenever
coolant
is
changed
the
cooling
syslem
should
be
flushed
and
refilled
with
a
new
coolant
Check
the
level
See
the
instruc
lions
furnished
by
the
manufacturer
for
the
mixture
ratio
of
anti
freeze
10
water
CHECKING
COOLING
SYSTEM
HOSES
AND
CONNECTIONS
Check
hoses
and
fittings
for
loose
connections
or
deterioration
Re
tighten
or
replace
if
necessary
INSPECTION
OF
RADIATOR
CAP
Apply
reference
pressure
0
9
kg
cm2
13
psi
1
to
radiator
cap
by
means
of
a
cap
tester
to
see
if
it
is
satisfactory
Replace
cap
assembly
if
necessary
ET
8
Fig
ET
fJ
Teltill
l
rod
ioto
cop
COOLNG
SYSTEM
PRESSURE
TEST
With
radiator
cap
removed
apply
reference
pressure
1
6
kg
cm2
23
psi
to
the
cooling
system
by
means
of
a
lesler
to
detect
any
leakage
Water
capacity
Without
heater
7
4
liters
7
U
US
qt
6
f
Imp
qt
With
heater
8
0
liters
8
f
US
qt
7
Imp
qt
CHECKING
VACUUM
FITTINGS
HOSES
AND
CONNECTIONS
Check
the
condition
of
filtings
and
hoses
Retighten
or
replace
if
neces
sary
All
vacuum
hoses
can
be
identified
by
colors
White
line
Vacuwn
tube
to
carburetor
E
G
R
Tube
Vacuum
tube
to
thermal
vacuum
valve
Thennal
vacuum
valve
to
E
G
R
control
valve
Page 37 of 537
Engine
Tune
up
SERVICE
DATA
AND
SPECIFICATIONS
Ignition
timing
and
idling
Manual
transmission
Automatic
transmission
in
D
position
Valve
clearance
Cold
Intake
Exhaust
Intake
Exhaust
Hot
Belt
tension
Fan
Air
pump
Air
coo
compressor
Pressure
Compression
pressure
at
350
rpm
Standard
Minimum
Radiator
cap
relief
pressure
Cooling
system
Leakage
testing
pressure
Battery
specific
gravity
at
200C
680F
Distribu
tor
Point
gap
Air
gap
Dwell
angle
Condenser
capacity
Condenser
insulation
resistance
Spark
plug
Gap
degree
rpm
120
B
T
D
C
j750
Non
Calif
models
100
B
T
D
C
j750
California
models
degree
rpm
l20B
T
D
C
j650
mm
in
mm
in
mm
in
mm
in
0
20
0
008
0
25
0
010
0
25
0
010
0
30
0
012
mm
in
mm
in
mm
in
kg
lb
8
to
12
0
315
to
0
472
8to
12
0
315
to
0
472
8
to
12
0
315
to
0
472
10
22
is
applied
kg
cm2
psi
kg
em2
psi
kg
em
2
psi
12
0
171
9
0
128
0
9
13
kg
cm2
Psi
1
6
23
1
26
mm
in
mm
in
degree
IF
Mil
0
45
to
0
55
0
018
to
0
022
0
2
to
0
4
0
008
to
0
016
490
to
550
0
20
to
0
24
5
mm
in
0
8
to
0
9
0
031
to
0
035
Breaker
points
type
1
0
to
1
1
0
039
to
0
043
Transistor
ignition
type
Checking
CO
percent
at
idling
speed
No
air
Manual
transmission
model
rpm
Automatic
transmission
model
rpm
Adjustment
of
operating
pressure
of
B
C
D
D
B
C
D
D
set
pressure
Manual
transmission
Automatic
transmission
2
1
1
750
2
1
1
650
mmHg
in
Hg
mmHg
in
Hg
510
to
550
20
1
to
21
7
490
to
530
19
3
to
20
9
ET
25
Page 42 of 537
Condition
ENGINE
POWER
NOT
UP
TO
NORMAL
Low
compression
Ignition
system
out
of
order
Fuel
system
out
of
order
Air
intake
system
out
of
order
Emission
control
Overheating
O
cooIing
Others
Engine
Tune
up
Probable
cause
Incorrect
iSnition
timing
Damaged
spark
plugs
Worn
distributor
points
Malfunction
of
choke
system
Clogged
fuel
pipe
or
floating
valve
Dirty
or
clogged
fuel
strainer
Fuel
pump
will
not
work
properly
C10ssed
carburetor
jets
Malfunction
of
altitude
compensator
CIOJBed
air
cleaner
Ail
inhaling
from
manifold
gasket
or
carburetor
gasket
Malfunction
of
E
G
R
valve
Stick
E
F
E
valve
shaft
Insufficient
coolant
Loose
fan
belt
Worn
or
oiled
fan
belt
Inoperative
thermostat
Worn
water
pump
Clogged
or
leaky
radiator
Worn
radiator
filler
cap
Ail
in
cooling
system
Improper
engine
oil
grade
Incorrect
ignition
timing
Clossed
carburetor
lean
mixture
Disconnected
altitude
compensator
hOlle
Inoperative
thermostat
Improper
octane
fuel
L
j
tire
pressure
Dragging
brake
Clutch
slipping
ET
30
Corrective
action
Previously
mentioned
Adjust
Clean
adjust
or
replace
plull
Dress
or
replace
points
Also
check
condenser
Adj
lst
Clean
Replace
Repair
or
replace
Disassemble
and
clean
Check
and
replace
Replace
element
Replace
gasket
Check
and
replace
Repair
Replenish
Adjust
fan
belt
Replace
Replace
Replace
Flush
repair
or
replace
Replace
Retighten
each
part
of
cooling
system
Replace
with
proper
grade
oil
Adjust
Overhaul
carburetor
Connect
Replace
Replace
with
specified
octane
fuel
Inflate
to
specified
pressure
Adjust
Adjust
Except
transistor
ignition
system
Page 47 of 537
Engine
Mechanical
GENERAL
DESCRIPTION
MODEL
L20B
ENGINE
CYLINDER
BLOCK
CRANKSHAFT
PISTON
AND
CONNECTING
ROD
CYLINDER
HEAD
CONTENTS
EM
2
EM
3
EM
3
EM
3
EM
3
CAMSHAFT
VALVE
MECHANISM
CAMSHAFT
DRIVE
MANIFOLDS
out
smooth
dependable
power
The
cylinder
block
is
cast
as
a
single
unit
and
featllres
deep
skirting
This
engine
is
equipped
with
a
single
2
barrel
downdraft
carburetor
that
in
corporates
a
special
device
to
control
emissions
MODEL
L20B
ENGINE
The
L20B
engine
features
O
H
C
valves
wedge
shaped
combustion
chamber
aluminum
head
and
a
fully
balanced
5
bearing
crankshaft
to
turn
Main
specifications
Oisplacemen
t
cc
cu
in
Bore
x
stroke
mm
in
Compression
ratio
Ignition
timing
Degree
B
T
O
C
rpm
MIT
AlT
MIT
Manual
Transmission
EM535
Fig
EM
Cross
sectional
view
L20B
1
952
1191
85
X
86
3
35
x
3
39
8
5
12
750
Non
California
model
10
750
California
model
12
650
in
0
position
AIT
Automatic
Transmission
EM
2
EM
3
EM
3
EM
3
EM
3
CYLINDER
BLOCK
The
cylinder
block
a
mono
block
special
casting
structure
employs
a
five
bearing
support
system
for
quiet
ness
and
higher
durability
The
cylinder
bores
are
surrounded
by
cooling
jackets
and
machined
di
rectly
in
the
block
The
oil
ways
in
the
block
are
arranged
so
that
the
full
flow
oil
filter
is
directly
attached
to
the
right
hand
side
of
the
block
EM536
Fig
EM
2
Cylinder
block
CRANKSHAFT
The
crankshaft
is
a
special
steel
forging
Fully
balanced
it
turns
out
smooth
dependable
power
at
high
speed
The
L20B
engine
uses
eight
balance
weights
Main
bearings
are
lubricated
by
oil
pumped
through
the
main
oil
gallery
and
the
oil
holes
which
run
in
parallel
with
cylinder
bores
There
are
oilways
drilled
in
the
crankshaft
for
the
lubri
cating
oil
The
center
main
bearing
is
equipped
with
thrust
washers
to
take
up
end
thrust
of
the
crankshaft
Page 48 of 537
Fig
EM
3
Crankshafl
PISTON
AND
CONNECTING
ROD
The
pistons
are
of
a
special
alumi
num
casting
and
have
struts
to
control
thermal
expansion
two
compression
rings
and
one
combined
oil
ring
The
piston
heads
are
slightly
dished
The
piston
pil1S
are
a
special
hollow
steel
shaft
They
are
full
floating
fit
to
the
piston
and
press
fit
to
the
connecting
rods
The
connecting
rods
are
of
a
special
forged
steel
Oil
is
sprayed
to
the
connecting
rod
small
ends
through
drilled
passages
in
the
large
ends
of
rod
Oil
holes
in
the
connecting
rods
are
located
so
as
to
insure
optimum
lubrication
under
heavy
load
0
50
1
o
E
Moao
Fig
EM
4
Piston
and
connecting
rod
CYLINDER
HEAD
The
cylinder
head
is
made
of
a
light
strong
aluminum
alloy
with
good
cooling
efficiency
it
contains
wedge
type
combustion
chambers
A
special
aluminum
bronze
valve
seat
is
used
on
the
intake
valve
while
a
heat
resistant
steel
valve
seat
is
installed
on
the
exhaust
valve
These
parts
are
all
hot
press
fitted
EM407
Fig
EM
S
Cylinder
head
Engine
Mechanical
CAMSHAFT
The
camshaft
is
made
of
a
special
cast
iron
and
is
loca
ted
inside
the
rocker
cover
Four
aluminum
alloy
brackets
support
it
Camshaft
bearings
are
lubricated
from
oil
holes
which
lead
to
the
main
oil
gallery
of
the
cylinder
head
Concentric
passages
are
drilled
in
the
front
and
rear
parts
of
the
earn
shaft
Oil
to
each
earn
lobe
is
supplied
through
an
oil
hole
drilled
in
the
base
circle
of
each
lobe
Lubricant
is
sup
plied
to
the
front
oil
gallery
from
the
2nd
camshaft
bearing
and
to
the
rear
oil
gallery
from
the
3rd
camshaft
bearing
These
holes
on
the
base
circle
of
the
lobe
supply
lubricant
to
the
earn
pad
surface
of
the
rocker
arm
and
to
the
valve
tip
end
The
cams
feature
a
long
overlap
profile
to
reduce
NOx
emission
Fig
EM
6
Camshafl
VALVE
MECHANISM
The
valve
system
has
the
pivot
type
rocker
arms
that
are
activated
directly
by
the
earn
mechanism
this
has
made
its
moving
parts
considerably
lighter
and
provides
ideal
high
speed
perform
ance
Dual
type
valve
springs
are
in
stalled
h
@l
if
Exhaust
Intake
EM084
Fig
EM
7
Valve
mechanism
EM
3
CAMSHAFT
DRIVE
The
camshaft
is
driven
by
a
double
row
roller
chain
driven
by
the
crank
shaft
The
tension
of
the
chain
is
controlled
by
a
chain
tcosioner
which
is
operated
by
spring
and
oil
pressure
The
rubber
shoe
type
tensioner
damps
vibration
of
the
chain
and
controls
its
tension
EM537
Fig
EM
8
Chain
driving
aystem
MANIFOLDS
The
intake
manifold
is
of
an
alumi
num
cast
alloy
The
exhaust
manifold
is
of
a
dual
design
and
incorporates
a
heat
control
valve
in
it
The
heal
control
valve
is
used
to
warm
the
intake
manifold
A
plate
is
installed
on
the
outer
face
of
the
manifold
to
draw
hot
intake
air
out
through
it
The
exhaust
pipe
is
connected
to
the
flanged
sur
face
of
the
exhaust
manifold
Fig
EM
9
Intak
and
exhaust
manifolds
Page 49 of 537
r
I
I
PRELIMINARY
CLEANING
AND
INSPECTION
DISASSEMBL
Y
PRELIMINARY
CLEANING
AND
INSt
ECTION
Before
disassembling
engine
note
the
following
I
Fuel
oil
or
water
may
leak
past
cylinder
head
and
block
Prior
to
disassembling
check
cylinder
head
1
1ltermal
vacuum
valve
2
Check
valve
3
Altitude
compensator
in
air
cleaner
4
Air
gallery
pipe
S
Auto
choke
6
Automatic
temperature
control
air
cleaner
7
Anti
8ackfire
valve
A
B
valve
8
Boost
Controlled
Deceleration
Device
Bee
D
D
9
P
c
v
valve
to
Air
relief
valve
11
E
G
R
control
valve
12
B
C
D
D
control
valve
and
solenoid
valve
13
Emergency
air
relief
valve
14
Air
pump
air
cleaner
IS
Carbon
canister
16
Air
control
valve
11
Air
pump
Engine
Mechanical
ENGINE
DISASSEMBLY
CONTENTS
EM
4
EM
4
PISTONS
AND
CONNECTING
RODS
CYLINDER
HE
AD
EM
7
EM
7
front
chain
cover
oil
pan
and
oil
filter
gaskets
lInd
crankshaft
and
water
pump
seals
for
signs
of
leakage
past
their
gasketed
surfaces
2
Check
carburetor
and
fuel
pump
for
condition
fuel
hoses
for
deteriora
tion
cracks
or
leakage
of
fuel
past
their
jointed
or
connected
surfaces
Fig
EM
0
Emiuion
control
devic
s
California
mod
18
E
T366
3
Remove
carburetor
air
cleaner
Remove
fresh
air
duct
Disconnect
hot
air
duct
from
air
cleaner
Disconnect
air
cleaner
to
air
pump
hose
at
air
cleaner
Disconnect
air
cleanef
to
rocker
cover
hose
at
rocker
cover
Disconnect
air
cIeaner
to
air
con
trol
valve
hose
at
air
cleaner
Cali
fornia
models
only
Disconnect
air
cleaner
to
A
B
valve
hose
at
air
cleaner
Disconnect
air
cleaner
to
related
part
vacuum
hoses
at
air
cleaner
Loosen
air
cleaner
band
bolt
and
remove
carburetor
air
cleaner
as
sembly
from
carburetor
4
Plug
up
carburetor
air
horn
to
prevent
entry
of
foreign
matter
5
Remove
alternator
drive
belt
alternator
and
alternator
bracket
EM
4
6
Remove
air
pump
drive
belt
cool
er
compressor
and
idler
pulley
if
so
equipped
7
Remove
starter
motor
from
trans
mission
8
Visually
inspect
cylinder
head
cylinder
block
rocker
C
Ner
front
chain
cover
oil
pan
and
all
other
outer
parts
for
oil
water
and
fuel
leaks
breakage
or
missing
parts
such
as
bolts
and
nuts
9
Check
piping
and
electrical
cir
cuits
for
deterioration
breakage
fit
tings
discontinuity
or
insulation
DISASSEMBLY
To
remove
engine
from
vehicle
refer
to
the
instructions
under
the
Engine
Removal
and
Installation
ER
section
I
Remove
transmission
from
en
gine
2
Remove
clutch
assembly
from
flywheeL
3
Thoroughly
drain
engine
oil
and
coolan
t
by
removing
drain
plugs
Store
engine
oil
and
coolant
if
they
are
to
be
used
again
4
Place
engine
assembly
on
engine
stand
I
Remove
cooling
fan
2
Remove
right
engine
mounting
bracket
3
Remove
oil
filter
with
Oil
Filter
Wrench
STI9320000
4
Remove
oil
pressure
swi
tch
5
Install
engine
attachment
to
cylinder
block
utilizing
bolt
holes
in
alternator
bracket
and
water
drain
hole
6
Set
engine
on
stand
Engine
Attachment
ST05260001
Engine
Stand
ST050I
SOOO
Page 71 of 537
30
Install
heatshieid
plate
on
mani
fold
assembly
31
Install
air
gallery
pipe
on
ex
haust
manifold
32
Install
manifold
gasket
and
manifold
assembly
on
cylinder
head
Tightening
torque
1
2to
1
6kg
m
8
7
to
11
6
ft
lb
33
Install
blow
by
gas
pipe
on
cyl
inder
block
and
tighten
with
rear
engine
slinger
34
Install
thermostat
housing
gas
ket
thermostat
housing
and
thermo
stat
35
Install
thermal
vacuum
valve
on
thermostat
housing
Before
installing
apply
a
liquid
packing
slightly
to
the
threads
36
Install
FJ
C
D
bracket
on
cylin
der
head
37
Install
E
G
R
passage
and
E
G
R
valve
on
intake
manifold
38
Connect
E
G
R
tube
to
E
G
R
tube
and
exhaust
manifold
39
Install
check
valve
on
air
gallery
pipe
40
Install
air
cleaner
bracket
on
intake
manifold
41
Install
air
control
valve
on
air
cleaner
bracket
California
models
42
Install
vacuum
and
fuel
tubes
combined
on
cylinder
head
43
Install
distributor
assembly
44
Install
heatshield
plate
joint
seat
and
carburetor
Carbure10r
tightening
torque
0
5
to
1
0
kg
m
3
6
to
7
2
ft
lb
Note
When
instalUng
joint
seat
be
sure
to
put
the
duct
into
primary
hole
in
intake
manifold
S
J
Heatshield
plate
4
Joint
seat
2
Primary
hole
5
Secondary
hole
3
Duct
EM534
Fig
EM
I06
Installing
carburetor
joint
seat
Engine
Mechanical
45
Install
dash
pot
bracket
and
dash
pot
to
intake
manifold
46
Connect
all
air
vacuum
and
fuel
hoses
and
then
secure
with
clamps
I
Cylinder
block
to
P
C
V
valve
hose
2
A
B
valve
to
E
G
R
passage
vac
uum
hose
3
A
B
valve
to
E
G
R
passage
air
hose
4
Vacuum
tube
to
carburetor
vac
uum
hoses
5
Fuel
ube
to
carburetor
fuel
hose
6
Fuel
tube
to
fuel
pump
fuelhose
7
Distributor
to
vacuum
switch
or
spark
delay
valve
vacuum
hose
8
Air
control
valve
vacuum
hose
9
Check
valve
to
air
control
valve
hose
10
Thermal
vacuum
valve
to
E
G
R
valve
vacuum
hose
I
I
Thermal
vacuum
valve
to
vacuum
tube
hose
47
Install
carburetor
air
cleaner
on
carburetor
and
then
connect
air
and
vacuum
hoses
as
follows
I
Air
cleaner
to
exhaust
manifold
hot
air
duct
2
Air
c1eaner
to
air
pump
hose
3
Air
cleaner
to
rocker
cover
hose
4
Air
cleaner
to
air
control
valve
hose
5
6
48
Install
spark
plugs
in
place
49
Connect
all
distributor
high
ten
sion
cables
to
spark
plugs
50
Install
air
pump
drive
belt
cool
er
compressor
and
idler
pulley
51
Install
left
engine
mounting
bracket
52
Install
clutch
assembly
on
flywheel
with
Clutch
Aligning
Bar
KV30100200
Air
cleaner
to
A
B
valve
hose
Other
vacuum
hoses
Tightening
torque
1
2
to
2
2
kg
m
8
7
to
15
9
ft
lb
EM
26
I
I
KV30100200
EM440
Fig
EM
I07
In
talling
clutch
embly
53
Using
an
overhead
hoist
and
lifting
cable
hoist
engine
away
from
engine
stand
and
then
down
onto
engine
carrier
54
Install
right
engine
mounting
bracket
oil
filter
oil
pressure
switch
oil
level
gauge
and
water
drain
plug
When
installing
oil
filter
fasten
it
to
cylinder
block
by
hand
Note
Do
not
overtighten
flit
or
oil
leakage
may
occur
55
Install
alternator
bracket
adjust
ing
bar
alternator
cooling
fan
and
belt
56
Adjust
the
deflection
of
drive
belts
when
thumb
pressure
is
applied
midway
between
pulleys
A
pressed
force
is
above
10
kg
22
0
lb
Deflection
of
drive
belts
8
to
12
mm
0
315
to
0
472
in
EM613
Fig
EM
lOB
Fan
belt
tension
57
Fill
engine
oil
up
to
specified
level
Page 90 of 537
DATSUN
PICK
UP
MODEL
620
SERIES
L
NISSAN
I
NISSAN
MOTOR
CO
LTD
TOKYO
JAPAN
SECTION
CO
COOLING
SYSTEM
COOLING
SYSTEM
SERVICE
DATA
AND
SPECIFICATIONS
TROUBLE
DIAGNOSES
AND
CORRECTIONS
CO
2
CO
6
CO
7