Service Campaign Overview
This service campaign involves restoring the correct concentration of engine coolant to 50% in certain Maserati MC20 (M240) vehicles, which was wrongly set to 30% in some markets.
Procedure
To achieve the correct coolant concentration, 5 liters (1.33 gallons) of the existing coolant must be removed and replaced with 5 liters (1.33 gallons) of pure PETRONAS Paraflu UP (1681) coolant (100% concentration).
Important: The engine must be cold during the procedure, and the Expansion Reservoir cap must be undone slowly to vent any residual pressure.
The procedure involves disconnecting a hose, using a spare hose to drain the coolant, and topping off the Expansion Reservoir with the new coolant while the engine is running.
After completing the procedure, the area must be cleaned, and there should be no leaks.
Manual:
Download: 2022 Maserati MC20 Service Campaign 500: Restoring Correct Engine Coolant Concentration
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