1. The first task is to drain the antifreeze in the cooling system to prevent it from affecting the normal process and causing unnecessary trouble during disassembly.
2. Remove the adjusting plate, and then you need to separate the cable fixing piece on the left side of the heating device, or remove the screw on the terminal.
3. Unplug the wire connector behind the blower motor and place a container under the heater water supply pipe behind the engine and cylinder head to prevent other liquids from flowing out during disassembly.
4. Remove the heater water supply pipe behind the cylinder head, or remove the heater return hose on the thermostat housing, and press the antifreeze of the water pipe into the container.
5. Remove the adjustment line of the blower motor switch, and then remove the heating device.