Cooling System - Datsun 320-U Service Manual

COOLING
SYSTEM
An
effIcIent
coohng system
IS
of major
Importance
to ensure
the
satisfactory
runmng
of the
engIne
and
It
IS
therefore
necessary
to
pay
patlcular attention to
Its maIntance
Description
The
coohng system
IS
maIntaIned
by water
pump
CIrculation
combIned
wIth
an
effIcient fan cooled radIator and thermostat
The
system IS
pressunsed
and the
rehef valve
Incorporated
10
the
radIator
fIller cap
controls
the
pressure
at
approxImately
O
4 kg
per sq cm
Do
not
remove
the ftller cap If the temperature
of the coolant
IS
above
IX Jhng
poInt
or
If
the engIne
IS
runmng
ToppIng
up should
only
be requIred occasIOnally
to re
place water
lost
through
the overflow
pIpe
Top
up
when the
engIne
IS
cold and
If
pOSSIble use
clean soft
water
l i
j
l
Fig 1
Rmliator
FIll to wIthIn
1 2
of
the bottom of the
fIller
plug
well
OverfIlhng
when the
engIne
IS
cold may
cause water to
flow
through
the overflow pIpe
The
capacIty
of the
system
IS
approxImately
5 2
htres
3