Before you go to wrench, lever, or tug on a part - the manufacturer probably has drawings and diagrams of said part for all the people breaking the part and demanding replacements. It might help you remove said part without snapping of a poorly designed, non-pliable tab or inaccessible clip.
YouTube usually has videos too. I find it helpful to watch people do stuff the right way as well as the wrong way. And of course, hopefully they show the removed item front and back so you can see the details.
Challenge accepted. Getting ready to work on a variable focal length camera lens that doesn’t get near to the marked nearest focal distance. It only cost $5 so if I can’t correct it it’s no big loss. Usually this is because of either they reassembled onto the wrong one of multiple helixes or a stop block was put in while the lens was past where the block goes.
There was a time where I could pull at something and a well-understood, standard attachment method (friction fit, flexible tabs, etc.) would give way and the part would come out predictably.
Those days have been over for a decade or more. I swear they make this stuff to break on purpose with the full intention to stop producing replacement parts after a couple years.
Yuuup, just glued the original housing directly to the body. That’ll be 2027 David’s problem.
