Originally Posted by N8N
At a glance it appears that suction gun is the only way to drain diff w/o major work as it appears that there's a diff mount integral to the cover - true? Sorry for not just looking under car but it is quite cold and wet out and I don't fit under there...
True. You have to remove the rear diff mount to open the diff up from the cover. The only way to get the old fluid out without removing the cover is with a fluid transfer device. I use a pneumatic oil extractor unit. Easy as pie with one of those.