2015 subaru Impreza heater core replace

Hello I don't really make videos so I apologize for the camera work.
I was having low heat across the dash and almost no heat on the passenger side. Diagnosed it might be heater core. Turned out the heater core was plugged. Whole project took about an hour and the I didn't have any leaks.
Hope this helps someone. I couldn't find anyone that did this on UA-cam.