Screw? The model in these pics uses a hook and loop connection. I've seen others that have a pin and clevis connection. I'm unsure what you mean by screw? Is the end of the cable connected to the control arm out of the transmission with a bolt? Is this a newer model, or one that is much older, perhaps an early design that now has been changed. If you need to get better access, then you may have to take out the transmission. That would solve the access problem, right? If removal is needed, then you may need to take apart the parts to the outboard shafts, including the pinion gears. When both outboard shafts are clear of any c-clips, or anything else, then you can move it one side to the other, far enough to one side to take out the shaft from one side, then slide to the other side, and remove the shaft from the bushing. I am doubting that you need to go to this extent to make the cable connection. Any pics?