Quote Originally Posted by Gian Paulo View Post
Mine is more than a decade old. Is it advisable to replace or repair radiators? What maintenance is required if its still dont have visible leaks, Are there antirust additives that will do? TIA
If still functions well, no leaks or no visible tendency to crack in near future. No need to replace it, maintain it for a while until you find obvious reason to replace it with a new one. What you must worry most is your radiator hoses and bypass hoses. Radiator coolant has anti rust and corrosion inhibitors aside from anti freeze. Most probably required maintenance is to replace radiator coolant every year. Or read your owners manual the required interval in replacing your radiator coolant.

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