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5-2
5-2
CAUTION: When freezing weather is
CAUTION:
expected, any cooling system not adequately
expected, any cooling system not adequately
protect
protected
ed by antifreeze should be
by antifreeze should be drained
Filling The Cooling System.
Filling The Cooling System. Before starting the
engine, close the drain cock of the radiator and fill
engine, close the drain cock of the radiator and fill
the cooling system.
the cooling sys
cap and fill the core of t
cap and fill the core of the radiator
7 psi cap and fill the deaeration tank to the upper
7 psi cap and fill the deaeration tank to the upper
sight glass. . Start the engine to rem
sight glass
the coolant. Recheck t
the coolant.
glasses and add coolant as required to obtain the
glasses and add coolant as required to obtain the
proper level.
proper level.
WARNING:
WARNING: Coolant should only be added
to the cooling system when the engine has
to the cooling system when the engine has
been shut down and allowed to co
been shut do
to do so may result in personal injury from
to do so may result in personal injury from
heated coolant spray.
heated coolant spray.
CAUTION: The 15 psi radiator cap is a
CAUTION:
sealing cap.
sealing cap. Be sure it is in
after the coolant has been added.
after the coolant has been added.
Coolant Temperature.
Coolant Temperature. When the engine warms
up, the indicator for the coolant temperature
up, the indicator for the coolant temperature
COOLANT
COOLANT
LEVEL
LEVEL
SENSOR
SENSOR
When freezing weather is
Before starting the
tem. Remove the 15 psi r
Remove the 15 psi radiator
he radiator. . Remove the
Start the engine to remove air from
ove air from
Recheck the coolant level at t
he coolant level at the sight
Coolant should only be added
wn and allowed to cool.
The 15 psi radiator cap is a
Be sure it is installed secur
stalled securely
When the engine warms
MAKE-UP
MAKE-UP
LINE
LINE
Illustration 5-2.
Illustr
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gauge should be in the green temperature area
gauge should be in the green temperature area
(180
(180
at approximately 180
at approximately 180
drained. .
coolant temperature
coolant temperature reaches approximately
201
201
_ _
General Information
General Information
adiator
Remove the
C C o o o o l l a a n n t t C C a a p p a a c c i i t t y y
Inspection. Components of the cooling system
Inspection.
should be checked periodically to keep the engine
should be checked periodically to keep the engine
he sight
operating at peak efficiency
operating at peak effic
be inspected externally for excessive dirt or oil
be inspected externally for excessive dirt or oil
buildup.
buildup. The radiator
ly as conditi
ly as conditions warra
hoses should be inspected and any hose that is
hoses should be inspected and any hose that is
abnormally hard or soft should be replaced imme-
abnormally hard or soft should be replaced imme-
ol. Failur
Failure e
diately
diately. . Check the hose clamps to mak
are tight. All exter
are tight.
as soon as detected.
as soon as detect
against the radiator core to prevent recirculation of
against the radiator core to prevent recirculation of
air which may lower cooli
air which may lower cooling efficienc
fan belts for proper tension.
fan belts for proper tension.
ely
Drive Belt Tension.
Drive Belt Tension. The proper tension should
be maintained on all driv
be maintained o
Belt Tension
Belt Tension in in Section 1
values.
values.
DEAERATION
DEAERATION
FULL LEVEL
FULL
LEVEL
SIGHT GLASS
SIGHT GLASS
ation 5-2. Checki
Checking The Coolant Level
ng The Coolant Level
THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
THDC / THDCP - 954 / 955 / 974 (Rev. 06/03)
_ _
F - 210
F - 210
_ _
F). The thermos
F).
The thermostat will
_ _
F and fully open when the
F and fully open when the
reaches approximately
F F . .
Components of the cooling system
iency. . The radiator shoul
The radiator should be cl
should be cleaned external-
ons warrant.
nt. The cooling sys
The cooling system
Check the hose clamps to make sure they
All external leaks shoul
nal leaks should be corrected
ed. The shro
The shroud should be tight
ng efficiency y . . Check the
The proper tension should
n all drive belts.
e belts. Refer to
Section 1 for the proper tension
for the proper tension
15 PSI
15 PSI
PRESSURE
PRESSURE
CAP
CAP
tat will start to open
start to open
1 1 7 7 G G a a l l l l o o n n s s
The radiator should d
eaned external-
tem
e sure they
d be corrected
ud should be tight
Check the
Refer to Drive
Drive
7 PSI
7 PSI
PRESSURE
PRESSURE
CAP
CAP
ADD LEVEL
ADD LEVEL
SIGHT GLASS
SIGHT GLASS
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