Hi, the coolant used by this new Scania radiator with 50K miles, is an N-OAT coolant. The fluid recommended is an hybrid Si-OAT. Ok, this was not the fluid in this radiator, however this is not the reason, why the radiator can present this type of corrosion?. Glycol is at45% and contains the sodium in 12 ppms, pH is 8. Ca and Mg traces. Why this radiator can be with type of corrosion? Please your explanations.
This radiator is for a bus with diesel engine Euro 3.
This radiator is for a bus with diesel engine Euro 3.