How does Nissan Liwei 10 air-condition the coolant?

What you want to ask is how to add air conditioning coolant to 10 Nissan converse? The steps are as follows:

1. Open the water drain valve of the water tank, drain all the antifreeze inside, insert a pipe in the water tank, and drain the water for flushing. When flushing, completely relax the accelerator pedal and keep the engine idling until the water tank releases fresh water.

2. Close the water outlet, add antifreeze to the water tank, make the antifreeze fill the water tank, and tighten the cover.

3. Start the engine, open the water tank cover, let the engine run at idle speed for two to three minutes, remove the air in the water tank, and the antifreeze liquid level begins to drop. Continue to add antifreeze, cover and add air conditioning coolant.