Ok. As you can see, I needed to make a new bottom piece, which was done many years ago. (I made new side wood this year) No recollection of what original looked like or if there was enough left to determine much. In the red circle is a notch, both sides, that are over bolts. With the screws out of the B pillars, mine just tilted back. It comes out as a unit, springs and side bolsters - I'll call them, no need to remove any upholstery. It is unwieldy. I had to lift the front end off the floor a little to back it out towards the back seat. If you have rear flooring material, it may try to scrape along it and may make life more difficult.
Others may be able to provide better directions.
Good luck, you'll get it!
Others may be able to provide better directions.
Good luck, you'll get it!