COOLANT
The coolant recovery system is standard. The coolant
in the radiator expands with heat, and the overflow is
collected in the reservoir tank.
When the system cools down, the coolant is drawn
back into the radiator.
The cooling system has been filled at the factory with
a quality coolant that is either 50/50 mixture of water
antifreeze/anticorrosion coolant (ethylene glycol base
coolant) or 30% water and 70% antifreeze/anticorro-
sion coolant.
This 50/50 mixture coolant solution provides freezing
protection to –36 C (–33 F), and the 30/70 mixture
coolant solution provides freezing protection to –16 C
(3 F).
Maintain cooling system freeze protection at
–36 C (–33 F) to ensure protection against corro-
sion and loss of coolant from boiling. This should be
done even if freezing temperatures are not ex-
pected.
Add ethylene glycol base coolant when coolant has
to be added because of coolant loss or to provide
added protection against freezing at temperature
lower than –36 C (–33 F).
NOTE:
Alcohol or methanol base coolant or plain wa-
ter alone should not be used in cooling sys-
tem at any time as damage to cooling system
could occur.
Even in a market where no freezing tempera-
ture is anticipated, mixture of 70% water and
30% antifreeze/anticorrosion coolant (ethyl-
ene glycol base coolant) should be used for
the purpose of corrosion protection and lu-
brication.
ANTI-FREEZE PROPORTIONING CHART
6B-4
ENGINE COOLING
SH410
DIAGNOSIS
Condition
Possible Cause
Correction
Engine overheats
Loose or broken water pump belt
Not enough coolant
Faulty thermostat
Faulty water pump
Dirty or bent radiator fins
Coolant leakage on cooling system
Defective cooling fan motor or ECT sensor
Plugged radiator
Faulty radiator cap
Maladjusted ignition timing
Dragging brakes
Slipping clutch
Adjust or replace.
Check coolant level and add as necessary.
Replace.
Replace.
Clean or remedy.
Repair.
Check and replace as necessary.
Check and replace radiator as necessary.
Replace.
Adjust.
Adjust brake.
Adjust or replace.
MAINTENANCE
Freezing
C
–16
–36
g
temperature
F
3
–33
Anti-freeze/
Anti-corrosion
coolant
concentration
%
30
50
Ratio of
ltr.
1.29/3.01
2.15/2.15
compound to
US pt.
2.72/6.36
4.54/4.54
cooling water
lmp pt.
2.27/5.29
3.78/3.78
COOLANT
CAPACITY
Engine, radia-
tor and heater
About 3.7 liters
(7.8/6.5 US/Imp. pt.)
Reservoir tank
About 0.6 liters
(1.3/1.1 US/Imp. pt.)
Total
About 4.3 liters
(9.0/7.5 US/Imp. pt.)
Содержание Zen
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