11-33
11-33
If the coolant
If the coolant
becomes very dirty
becomes very dirty
, replace it
, replace it
immedi-
immedi-
ately regardless of the specified replacement inter-
ately regardless of the specified replacement inter-
vals.
vals.
1
1
Re
Re
co
co
mm
mm
en
en
de
de
d co
d co
ol
ol
an
an
t
t
Use a coolant
Use a coolant
containing fully-formulated antifreeze
containing fully-formulated antifreeze
and soft water in the
and soft water in the
correct mixing ratio.
correct mixing ratio.
This solution provides corrosion inhibitors to protect
This solution provides corrosion inhibitors to protect
the cooling system.
the cooling system.
Replace the coolant, and top it off when necessary,
Replace the coolant, and top it off when necessary,
only with water containing fully-formulated anti-
only with water containing fully-formulated anti-
freeze with corrosion inhibitors.
freeze with corrosion inhibitors.
2
2
Wa
Wa
te
te
r u
r u
se
se
d w
d w
ith
ith
co
co
ola
ola
nt
nt
Use soft water with the properties shown in the fol-
Use soft water with the properties shown in the fol-
lowing table. Do not use hard water from wells and
lowing table. Do not use hard water from wells and
rivers as it is liable to form scale and cause corro-
rivers as it is liable to form scale and cause corro-
sion.
sion.
3
3
Us
Us
in
in
g
g
co
co
ola
ola
nt
nt
add
add
it
it
iv
iv
e
e
To prevent the cooling system from freezing and to
To prevent the cooling system from freezing and to
minimize corrosion, use a fully-formulated anti-
minimize corrosion, use a fully-formulated anti-
freeze with an ethylene glycol base (SAE J814-C),
freeze with an ethylene glycol base (SAE J814-C),
an antifreeze with corrosion-inhibiting properties.
an antifreeze with corrosion-inhibiting properties.
Dilute it with soft water to the specified concentra-
Dilute it with soft water to the specified concentra-
tion.
tion.
Coolant checking and
Coolant checking and
replacing
replacing
I
I
n
n
s
s
p
p
e
e
c
c
t
t
i
i
o
o
n i
n i
n
n
t
t
e
e
r
r
v
v
a
a
l
l
D
D
a
a
i
i
l
l
y p
y p
r
r
e
e
t
t
r
r
i
i
p i
p i
n
n
s
s
p
p
e
e
c
c
t
t
i
i
o
o
n
n
Re
Re
pl
pl
ac
ac
em
em
en
en
t
t
in
in
te
te
rv
rv
al
al
Ev
Ev
er
er
y
y
24
24
mo
mo
nt
nt
hs
hs
T
T
o
o
t
t
a
a
l
l
h
h
a
a
r
r
d
d
n
n
e
e
s
s
s
s
3
3
0
0
0
0
p
p
p
p
m
m
o
o
r
r
l
l
e
e
s
s
s
s
Sulfate SO
Sulfate SO
4
4
–
–
100
100
ppm
ppm
or
or
less
less
Chloride Cl
Chloride Cl
–
–
100
100
ppm
ppm
or
or
less
less
T
T
o
o
t
t
a
a
l
l
d
d
i
i
s
s
s
s
o
o
l
l
v
v
e
e
d
d
s
s
o
o
l
l
i
i
d
d
s
s
5
5
0
0
0
0
p
p
p
p
m
m
o
o
r
r
l
l
e
e
s
s
s
s
p
p
H
H
6
6
t
t
o
o
8
8
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