Many people have asked whether it is good to remove the thermostat in their cars, especially those in hot climate regions. The answer is simply NO! It is not good. But there can be cases of emergency where thermostat is stuck closed and the car needs to be driven to a workshop or home. In this kind of circumstance, the thermostat can be temporarily removed if it is easily accessible.
For fuel economy and engine longevity concerns, the best thing to do is to have the engine's thermostat remain in fixed in the engine. This can make the rings to last long and make the engine to deliver better fuel efficiency.
Where proper preventive maintenance of using coolant solution, replacing the coolant and replacing the thermostat periodically is not done, it can resort to a s..