Dr Diff says it's time to press the brake pedal, but I'm not going to do that today. Here is my email reply to Dr Diff:
Thanks for being patient; I’m not claiming to be a mechanic, but I’m not stupid, either.
After last Friday night’s fiasco, I’d rather not touch the brake pedal until I’m convinced this is the last thing to do.
Anyhow, let’s go from the top again. All new brake lines from InLine tube, new rear wheel cylinders.
With a Mityvac, I can get a good bled on both rear wheels. Done.
I cannot get a vacuum, or any fluid at both front calipers. Crack the bleeder and vacuum falls to ZERO. Teflon taped the bleeder, crack 1/8th a turn, vacuum falls to zero.
Must be sucking air somewhere, right?
Remove line from Master Cylinder to proportioning block. Place finger over one side, Mityvac the other side, and vacuum holds. This line good; reinstall.
Remove line from proportioning block to driver front. Test with Mityvac and vacuum holds. This line is good.
Can’t easily remove line across firewall, so pull line at flex hose and apply vacuum. I get some fluid and bubbles, but vacuum can’t hold? Drops SLOWLY?
Reinstall passenger side line at flex hose.
Loosen and retighten all three lines at proportioning block. Tighten per instructions. These lines are tight!
Still cannot hold a vacuum at either caliper?
Can a proportioning block have a leak? Doubtful, right?
Lines are new. I inspected for any cracks.
I don’t know what to try next. If I pump the pedal I’ll just suck air back into the master cylinder and that won’t help.
Got any ideas?