yes, there are 2 bleeders on top of the hydrovac unit, nothing on the master cylinder. My front wheel cylinders were frozen up. I am sure once I got pressure in them, they wold have moved but, the brake return springs may not have had enough pull to retract the springs, they were that bad. My steel lines looked fine from the outside but once I got them off, they were paper thin.
I would at a bare minimum, pop the wheel cylinders off and put kits in them. It also does not take that much longer to replace the steel and rubber brake lines. 8-9K pounds rolling down the road with no brakes can do a lot of damage!
