Rear Brakes Won't Bleed (Iron Calipers)

[vilespankmachin]

First off, yes, I did search, couldn't find a comprehensive answer to my situation. 88 Iroc, stock rear brakes (so the iron calipers). I removed/painted my rear end and the area around it since I had to replace my fuel pump, I just put everything back together but I cannot get the rear brakes to bleed. I re-bled the master cylinder and I also pulled one of the brake lines off of a caliper to verify I had fluid getting to the caliper, a bunch of fluid came out, I don't know if it was "enough" to run a caliper though, I had a buddy press the brake slowly and I didn't want to get sprayed in the face. I have not replaced any brake parts since I've owned the car, it has freshish pads on it. When I took everything apart I disconnected the rubber line that goes to the rear end, and I removed the caliper and hardlines from the axle. I had the bolts that hook the brake hoses to the calipers removed for about 3 weeks and the calipers sitting in my work area (a cheap tarp-type canopy) with the bolts screws in as far as they would go. I was wondering if enough moisture got inside the caliper it might freeze the pistons? I was also thinking that perhaps I need a new rear rubber brake line. Any suggestions? Car is still in the air. EDIT: Rear brakes were working correctly when I took them apart, I had just bled them not long before that.

[vilespankmachin]

Got it, never mind.