Jaguar XJ overheating and coolant level low warning prevents driving on Jaguar XJ

Some Jaguar XJ owners report experiencing overheating issues and low coolant level warnings, which can lead to serious engine damage if not addressed promptly. These problems are often attributed to low coolant or antifreeze levels, which are critical for regulating engine temperature. A low coolant warning may indicate issues like a loose hose from the coolant reservoir, resulting in coolant leakage and potential overheating. Owners are advised to regularly check the coolant reservoir and maintain appropriate antifreeze levels to prevent these issues. Additionally, ensuring the correct connection of the coolant level sensor and following proper coolant top-up instructions can enhance the cooling system's efficiency. Regular maintenance, such as cleaning radiator fins to prevent clogs, is also essential for optimal cooling performance.