Solution of inlet and outlet pipes of Dongfeng Xiaokang warm air cylinder

The method is as follows: unscrew the drainage plastic screws under the water supply tank, and the water will flow out. When unscrewing, pay attention to the rubber ring on the plastic screw. When the water in the water tank is drained, it is closed. After the water tank drains, start the car, idle and turn on the warm air for 20-30 seconds. In this way, the residual water in the heating pipe and cylinder can be pumped out by the water pump. This time is basically ok. ...