82 Riviera Rear Coil Spring Replacement

[JohnO]

I am in the process of replacing the rear coil springs on the 82 Riv. The control arm is supported by a floor jack and the rear shock absorber has been removed; however, when I lower the jack the coil spring will not release. It is as if I have to remove something else (such as the sway bar) or the coil spring refuses to let go. I can pull the jack out and everything would remain intact. I think it is the original coil spring. Any guidance would be appreciated. Thank you.