How about just gravity bleeding?

That worked fine on my 1975-76 Valiants with 4 wheel drum brakes.

Would somebody explain gravity bleeding, please? I hear people talk about it, but I'm not entirely sure what it is or how to do it.

E=mc^2

Al Einstein

Seriously, I believe you just crack all of the bleeder screws and let 'er drip overnight.

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If it ain't broke, fix it!

Fill the master cylinder, hang the car upside down using some chain falls and a sturdy overhead I-beam (you seen how much those rotisseries cost?!?) , crack said bleeders open a smidge and viola!! Air bubbles rise while the capped master cylinder keeps any Dot 4 from dripping on your nice clean garage floor. Spin the car upright, refill and repeat.

No wait. That's stupid. Forget I said anything.

Okay, park the car on a 20' turntable. Fill the master cylinder, open bleeders and spin!!! Centrifugal force, yeah. No, no that's dumb too. Brake fluid would get everywhere...

Gota get more coffee....

Not to be a smart aleck, but if I'm remembering my history correctly, "gravity" was the "theory" of Sir Isaac Newton not Einstein. I however, remain unconvinced.

In the marine industry, when we bleed our hydraulic systems we use the "gravity" method. It works very well. One important caveat; be sure to keep the reservoir topped up throughout the entire process or you'll undo al your hard work.

Nat

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1970 four-door Dart, 225/A-904/2.45 gears. 0-60 in twenty three minutes!

Yeah, but Einstein tied everything else up nicely with his general relativity theory.

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If it ain't broke, fix it!