An overheating engine might be due to various causes, but they all require one solution: immediate repairs. An engine that can't properly maintain its temperature or receive the right amount of coolant fluid to stay cool can easily be damaged. Excess heat in the engine can cause problems with other parts in the engine and cooling system, such as the seals and gaskets. Therefore, be sure to contact a skilled mechanic at the first sign of trouble to prevent what might initially be a minor problem in your vehicle from becoming much worse.