How to remove the Fox heating pipe?

How to remove the Fox heating water pipe;

1. Find the heating water pipe on the Fox car and check its status.

2. Distinguish the two butted metal pipes on the hot air water pipe joint.

3. Identify the pointer, dial and other marks on the quick connector of the heating water pipe.

4. Turn the dial to align the pointer with the separation mark.

5. Rotate again to align the pointer with the joint marker.

6. Turn the turntable counterclockwise by hand and pull it outward at the same time to remove it.