Can't the heating box be replaced separately?
First remove the steering wheel airbag, pry open the buckle and take it off.
The steering wheel is fixed with gongs, so you can remove the steering wheel and instrument by the way.
Pry open the CD player panel and the workbench decorative panel in turn, remove the armrest box in front of the co-pilot and remove the player at the same time.
Gear shift lever sleeve and decorative plate should also be removed.
The front wiper blade and wiper arm should also be removed, the rain cover and wiper motor should also be removed, and the instrument panel fixing line should also be removed.
By the way, remove the heating water pipe.
Natural air conditioning pipes should also be dismantled.
Remove the fixing wire inside the instrument panel, adjust the wiring harness, and remove the instrument panel.
Then, remove the bracket fixing wire used to fix the instrument panel, handle the wiring harness and take out the fixing bracket.
Then replace the heater water tank.
Next, put everything back in the reverse order of disassembly, and pay attention to fixing the wiring harness in the original position during installation.
Then replace the antifreeze, and empty the air conditioning system and add refrigerant. Check and debug all functions when you get on the bus. If everything is normal, it means successful completion.