ENGINE COOLING 6B-9
Cooling Fan Clutch
Fluid is enclosed in the cooling fan clutch (2) and at its center
front, there is a bimetal (3) whose thermal reaction and the
engine speed control the cooling fan (1) speed.
Coolant
The coolant recovery system is standard. The coolant in the radiator expands with heat, and the overflow is col-
lected in the reservoir.
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 a 50/50 mixture of water and eth-
ylene glycol antifreeze.
This 50/50 mixture coolant solution provides freezing protection to –36°C (–33°F).
• Maintain cooling system freeze protection at –36°C (–33°F) to ensure protection against corrosion and loss
of coolant from boiling.
This should be done even if freezing temperatures are not expected.
• 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).
CAUTION:
Do not disassemble fan clutch.
WARNING:
Keep hands, tools, and clothing away from engine cool-
ing fan (1) to help prevent personal injury.
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