Datsun 1600 - COOLING SYSTEM SPECIFICATIONS AND COMPONENTS; RADIATOR REMOVAL AND INSTALLATION

COOLING SYSTEM
PEcn
leA TIONS
Water
pump
Type
Centnfugal
unpelIer
Double row
ball
beanng
and shaft
assembly
Beanng
type
Thermostat
Type
Openmg
temperature
Wax
pellet
82
deg
C
80
deg
F
8mm@
95
deg
C
0315m@
203
deg
F
MaxmlUm valve lift
RadIator
cap
Type
Workmg pressure
Pressure
09
kg
cm2
28
pSI
RadIator
type
Corrugated
fin
Cooling system
CapacJty
6
4
litre
1 41
unp gal
70
US
gal
Fan belt deflectIOn
1O
15mm
0
394
o 590
m
1
DESCRIPTION
The
cooling
system
IS
of
the
thermo
syphon type
With
fan and water
pump
assistance
Two
drammg pomts
are
mcorporated
m the
system
one at
the
lower
radiator tank
and the
other
at the starter motor
side
of
the
engme
assembly
The
system
IS also
pressunsed
m
order
to ratse the
bolling
pomt
of the coolant within the
system
and
so
mcrease the
effiCiency
of the
engine
NOTE
To avoId acculental
scalding
use cautIOn
when
releasing
the radzator
cap
of
an
engine
that IS at
normal
operating
temperature
The fan
and water
pump
are
dnven
by
a V
belt
from the
crankshaft
pulley
TIns belt also
drIves the alternator
The water
pump
IS
fitted
With a
shaft and
baIl
beanng
assembly
whIch
IS
pre
lubrIcated and
reqUires
no further
lubncatlOn In
serYlce
The water
pump
seal IS a
sprIng
loaded
carbon thrust
washer and rubber bellows
assembly
Temperature
wIthm the
cooling system
IS
controlled
by
a thermostat located
m
the
cylinder
head
water
outlet
pIpe
housmg
A
by pass
IS
Incorporated
m
the
system
to
allow lunlted
clfculatlOn of the
coolant
when the thermostat
IS closed
2 RADIATOR
TO REMOVE
I
Remove
the radiator
cap
and
dratn
the
cooling
system
via the
tap
on
the
lower
radiator
tank
and the
plug
on the
starter motor SIde of
the
cylInder
block
2 DIsconnect and remove the
upper
and lower
radIator hoses
3
On vehicles fitted
WIth
automatic transmISSIOn
disconnect
the
torque
converter
cooling pipes
at the
lower
radIator
tank
plug
the
pipes
and UnIons
to
prevent
entry
of
dut
4
Unscrew
the
fiXIng
bolts and remove
the radIator
grille
5 Remove the four radiator
retinnIng
bolts
and lift
out
the
radIator
NOTE
When a radIator that has been
In
use
for
some time
IS
removed
from
the
vehIcle
to
enable
repairs
to be
camed
out
to
the
engine
It should not be aI owed to stand
empty
for any length
of time
The radIator should be Immersed
In
a tank
of
water
or otherwIse
kept
full
Failure
to
observe
thiS
precautIOn
may
result
In
overheating
when the
engme
IS
put
back Into servIce
This
IS caused
by
mternal
deposits
m the
radzator
drymg
and
flakIng
and
so
obstructmg
the CIrculatIOn
of
the
coolant
m
the
system
6
Securely plug
the water outlets
m the
upper
and
lower radIator
tanks and fill the radIator
assembly
With
clean
water
TO CHECK
1
WIth
the radIator removed from the veJucle turn
It
upSIde
down and
apply
a hose to the lower
tank outlet and
revelSe flush the UnIt
2 Stand the radiator
upnght
and
usmg
a
Jet
of
water
or air
pressure
at
the rear
Side of
the core remove
any
dlft
40
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