6-43
SERVICE AND MAINTENANCE
Water-Cooled Intercooler System
The water-cooled intercooler system lowers the temperature of the intake air heated by
the engine.
The intercooler coolant must be changed according to the Maintenance Schedule.
Have intercooler coolant replacement performed at an Isuzu Dealer.
Maintenance Schedule
→Refertopage6-142
Recommended Fluids, Lubricants and
DieselFuels →Refertopage6-147
WARNING
• Check, replenish or change the intercooler 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 intercooler 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 intercooler 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.
• Intercooler coolant is toxic and must not be ingested. If the intercooler coolant is
mistakenly ingested, immediately vomit it and seek prompt medical attention.
• If the intercooler 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 intercooler 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.
• Intercooler coolant is flammable, and therefore, it must be kept away from
flames and other heat sources. Intercooler 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.
5108428_sec06_SERVICE AND MAINTENANCE_P001-140.indd 43 2020/11/05 11:54:11
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