How to remove BYD F0 heater water tank?

There are special fixing screws on the fan. After removing the fixing screws, unplug the fan and it can be removed.

Causes and solutions for BYD F0 heater not getting hot:

1 Caused by the engine cooling system.

2 Replace the antifreeze or the water pump impeller is damaged or lost.

3 The heater is not hot, causing the water temperature to be high.

4 The heat cannot come up, and the engine cooling system has air blockage. The air blockage causes poor circulation of the cooling system.