Thanks for the diagram. I managed to get the door moving correctly. With the endoscope through the center vents I could see that the door was too high up and was actually bottoming out to the section that was supposed to be the normal upper limit. I guess running the fan with the doors disconnected ...

Hi all, I'm a proud new owner of a 1999 V70 and also a new member. :D This is my first Volvo. I've been reading a lot of guides but have not come across any mentions of stuck doors in the manual hvac system. The previous owner had removed the leg-face-windscreen door motor because it stopped turning...