isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Engine - Coolant Temperature Sensor/Switch > < Cooling System|Capacity Specifications|Page 1591
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Coolant: Description and Operation

ANTIFREEZE SOLUTION 

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Relation between mixing ratio and Freezing temperature of the engine coolant varies with the ratio of antifreeze solution in water. Proper mixing
ratio can be determined by referring to the chart. Supplemental inhibitors or additives claiming to increase cooling capability/hat have not been
specifically approved by Isuzu are not recommended for addition to the cooling system.

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Calculating mixing ratio

NOTE:  Antifreeze solution + Water = Total cooling system capacity.

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Total Cooling System Capacity 5.7 Lit (1.50 U.S. Gal)

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Mixing ratio
Check the specific gravity of engine coolant in the cooling system temperature ranges from 0°C to 50°C using a suction type hydrometer, then
determine the density of the engine coolant by referring to the table.

Engine - Coolant Temperature Sensor/Switch > < Cooling System|Capacity Specifications|Page 1591