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Cooling System Care
Your
Chevrolet engin
e
cooling
system is equipped
with
a 180
0
thermostat
and
is designed
to
operate on
permanent type
(eth
yle ne
glycol)
anti·freeze.
Non·
Permanent
type coolants
are not recommended
since
they
are
not
satisfactory
for
year
around
use
and may
not effectively
inhibit
corrosion
of
the engine
cool·
ing
sys tem
when used with the quality of
water
found
in
some areas.
If
th
e anti·freeze was
installed at
the
factory or
if
it
meets
the
requirements
of
General
Motors Standard
GIVe 1899-1' v 1
whi ch
contains adequate corrosion
pro-
tection, i
t
may be
left
in the cooling
sys tem
for
24
months or
24,000
miles,
which ever
occurs
first.
C heck
th
e coolant
level r
egularly
and
ad
d
water
or
permanent
anti-freeze as
required
to
maintain
supply
tank
h alf
fulL Concentration of
coolan
t
should
be
to
0
0
F.
or below
to
insure
sufficient corrosion
protection.
Drain
a
nd
Rush
cool ing
system
every
24
months.
Fill
with
mixture
o
f perm anent
type
anti-fr eeze
(G1\1
1899-1\'[
or equ ivalent) a
nd
wa
ter
to
provide
proper
co ncentratio
n
of
coolant.
Each
Call
have
your
C
hevrol
et
d ealer
inspect the
cooling sys
tem
to
insure that all
co nnections
are
leakproof
and
that
th
e
anti-freeze
content
will pro-
vide adequate protection
in cold
weather.
NOTE:
Your
Corvette
has
on
aluminum radiator and supply
tank.
Therefore,
when
adding anti-freeze,
rust
inhibitors or cleaners, make
ceria in
that they are sale lor
use
with aluminum
radiators.
JI
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