Why does your 1999 Seville keep overheating?

Your 1999 Seville may be overheating due to several potential issues, including a failing thermostat, a leak in the cooling system, or a malfunctioning water pump. Additionally, a clogged radiator or low coolant levels can impede proper heat dissipation. It's essential to check for any visible leaks and ensure that the cooling system is properly filled and functioning. If the problem persists, it may be advisable to consult a mechanic for a thorough diagnosis.