There is a c-clipthat holds the crank in place,you just need to push it off and the crank comes off.
Remove the inside door panel of your 1997 Chevy Lumina. Remove the linkage to the window crank. Remove the window crank retaining bolts. Reverse the process to install the new window crank.
You have to remove the inside panel, where the window crank is, or would be.
Remove inside door handle and window crank handle, remove inside door panel, remove vent window and channel assembly, remove window.
behind the window crank
You have to have a window crank remover, this tool looks like a U on a stick, and you slide this tool in between the the crank and the door panel and trip the lock pin, then the crank will pull off.
You will need to remove the inside door panel of your 1977 Chevrolet blazer. Remove the window crank linkage. Remove the window crank retaining bolts. Reverse the process to install the new window crank.
Remove the inside door panel. Remove the Allen screw from the window crank linkage. The window crank handles should come off.
Most chevys have a horseshoe shaped clip on the window crank. There is a special tool to remove it , but I just push them off with a small screw driver, or hook the back with a dental tool
Pry the screwdriver between the door panel and the window crank base. Remove the metal clip slowly and carefully. Pull the base of crank to remove it.
Window cranks are easy to remove. Go to the local auto parts store, and ask for a window crank removal too. Slip it in behind the crank until it comes free.
You need to remove the window hand crank with a window hand crank removal tool.
How to Remove or Install Car Window Crank Handles check related link below