It’s a shame there isn’t an air bleed valve in the top hose from the radiator. I had a Renault with one and it helped immensely to bleed air from the high part of the system, where it migrates to. .
I fitted one to my 4/4 into the heater circuit. Fitted a longer hose so it was above the radiator and heater matrix at the highest point, and put a bleed valve point in. Not sure if it's possible to do something similar on the +8
![[Linked Image]](https://www.tm-img.com/images/2023/02/04/bleed.md.jpeg)
