What's with the engine hissing

The engine is very important for the car, is equivalent to the importance of the heart to the human body, if the engine once there is a fault, will directly affect the normal operation of the vehicle, then the engine hissing sound is what happened?

1, the engine hiss abnormal sound, may be the Car Cooling System failure. If there is a problem with the cooling system, it is easy to cause the temperature of the engine to become high. The owner can check the use of the coolant. If it is caused by the lack of coolant in the car, the owner should fill it in time.

2. If the vehicle is parked for a long time and there is a hissing noise when it is used again, it may be that the oil is flowing back to the Oil Pan, and the engine is lack of oil lubrication, so there will be a abnormal noise, but this situation generally waits until the oil normally flows to the engine, the abnormal noise will disappear by itself.

3. It may also be caused by the belt of the engine being too loose or too dirty. The owner can check the use of the belt, if the belt is loose, it only needs to adjust the tightness.