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SERVICE AND MAINTENANCE
Engine Coolant
The engine cooling system is a device for keeping the engine temperature at an
appropriate level.
The engine coolant must be changed according to the Maintenance Schedule.
Have engine coolant replacement performed at an Isuzu Dealer.
Maintenance Schedule
→Refertopage6-142
Recommended Fluids, Lubricants and
DieselFuels →Refertopage6-147
WARNING
• Check, replenish or change the engine coolant only after the engine has
sufficiently cooled down.
• Do not loosen or remove the cap of the radiator, sub-tank or reserve tank when
the engine coolant is still hot. Hot vapor or boiling water may burst out and
cause a burn. Cover the cap with a cloth, etc. and remove it gradually after the
engine is fully cooled down and the temperature of the engine coolant becomes
low.
• When removing the radiator, sub-tank or reserve tank cap, use a thick cloth to
cover the cap and turn it slowly.
• Engine coolant is toxic and must not be ingested. If the engine coolant is
mistakenly ingested, immediately vomit it and seek prompt medical attention.
• If the engine coolant gets in your eyes, rinse it off immediately with a large
amount of water for 15 minutes or longer. Also, if still abnormality such as
irritation is felt, seek medical attention.
• If the engine coolant gets on your skin, rinse it off using a soap with a large
amount of water. Also, if abnormality is seen, seek medical attention.
• Engine coolant is flammable, and therefore, it must be kept away from flames
and other heat sources. Engine coolant also could ignite if it comes in contact
with a hot surface, such as the exhaust manifold. Exercise caution to prevent
this from happening.
Water-Cooled Intercooler System
→Refertopage 6-43
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