Proper mixing of coolant required:
• Pour water into the container
• Add low-silicate antifreeze
• Add DCA4 liquid
• Thoroughly blend the components
Following the correct order for mixing the coolant will
prevent additive dropout during the mixing process.
Low-silicate antifreeze must be used at a 50/50 ratio to
give adequate freeze point and boiling point protection.
Also, the use of low-silicate antifreeze minimizes the
chance of having a silicate gel problem.
The cooling system must be precharged with SCA to 1.5
units per gallon by using Heavy Duty Coolant and the
correct coolant service filter at initial fill-up to prevent liner
pitting and cooling system corrosion.
Fill the cooling system with Heavy Duty Coolant and
install the correct service filter. Refer to the FleetguardT
DCA4 Service Filter Selection Chart on previous page.
Section 1 - Cooling System Filling the Cooling System (1-09)
N14 Page 1-23
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