I need to remove the inner door panel to inspect the door opening/locking assembly. The drawings I have show what I believe to be a roll pin in the internal door handle that will allow removal of the handle assembly so I can remove the inner door panel to gain access. I believe this pin is associated with the larger hole in the handle assembly. I've attempted to displace but not being successful and want to confirm my information before a I get too aggressive and cause damage if my information is not correct. Please advise.