240 L4-2.3L SOHC VIN 88 B230F (1986)
Coolant: Fluid Type Specifications
COOLANT MIXTURE:
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Since aluminum is used in the engines, active corrosion protection is necessary in the coolant to help prevent corrosion damage.
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Use genuine Volvo coolant type C (blue-green) diluted with clean water in proportions of 50/50. This mixture helps to prevent corrosion and frost
damage.
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Never top-up the cooling system with water alone. Use genuine Volvo coolant diluted with clean water in proportions of 50/50.
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The coolant should be changed regularly since the corrosion-protective additives in the coolant lose their effectiveness in time.