Porsche Cayman coolant loss issue with expansion tank cap replacement and sensor monitoring after refill on Porsche Cayman

Some Porsche Cayman owners report experiencing coolant loss issues, particularly after replacing the expansion tank cap. These issues may arise if the cap is not properly installed or functioning, leading to pressure problems within the cooling system. After refilling the coolant, some owners find it essential to monitor sensor readings to ensure stable coolant levels, as fluctuations may indicate leaks or other underlying problems. Additionally, a thorough inspection of the entire coolant system, including hoses and the radiator, is often recommended to identify any signs of leaks or damage. Some owners opt to perform a pressure test on the cooling system to detect hidden leaks. If coolant loss persists, seeking the expertise of a professional mechanic or dealership is advisable for a comprehensive diagnosis and necessary repairs. Prompt attention to these concerns is crucial to prevent potential engine overheating and damage.