The water temperature is normal, what should I do without warm air?

When the water temperature is normal but there is no warm air, the following methods can be adopted: 1. Check whether the water tank leaks: open the water tank to see if the water level is lower than MIN. If the water level is very low, it is likely to leak. Add water, open the exhaust screw near the engine and check the water leakage point. The air in the water tank will also cause the water temperature to rise. Water leakage is usually caused by a cold car, so after the hot car cools down, check whether the hot water pipe joint leading to the cockpit leaks. If there is no leakage point, but it is filled with water for a week or half a month, the water will be lower than the lowest point. There may be something wrong with the cylinder gasket, and water will seep into the engine. 2. Replace the water temperature sensor: If the water temperature is high but not boiling, it may be that the water temperature sensor is inaccurate and needs to be replaced. 3, change the thermostat: the thermostat can not be opened, resulting in cold and hot water circulation. When the water temperature reaches 90 degrees, open the hatch cover and touch the water pipe near the engine. The hot water tank is not hot, that is, both sides should be hot under normal circumstances, otherwise the thermostat should be replaced. 4. Change the water pump: if the vehicle is used for a long time, the fan blades of the water pump will be damaged and blocked. The water pump is not easy to use, and the water temperature cannot rise rapidly due to water circulation, so the water pump needs to be replaced.