How to unload Chevrolet Le Chi evaporation box?

The automobile evaporation box and the blower (blower motor) warm air water tank in the automobile dashboard are integrated in one shell.

If you are not a professional, you can't get it down, even a professional will take a long time to get it down.

Visually, everything on the steering wheel has been stripped to iron.

If you are a professional, you can leave a message if you want to ask detailed questions.

Please forgive me if there are mistakes in handwriting.