2. Secondly, unplug the wiring harness plug, loosen the screw, then remove the wire drawing, loosen the clamp, remove the heater inlet and outlet pipes, unscrew the screws and side screws, remove the heater front bracket, unscrew the screws and remove the heat insulation board.
3. Then remove the unlocking pin and loosen the upper and lower buckles.
4. Finally, remove the front half of the heater (with fan).