NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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Ms7 told me how to do it but I forgot how to. I need to bench bleed my master cylinder?

kthxbye.

Get some tubing, attach it to the master cylinder. Run it into brake fluid, fill the master cylinder. Work the master cylinder until you get no more bubbles

If it's on the car you can bleed it like you would the wheel cylinders you just have to loosen up the fittings. I don't like doing it this way myself.

if you don't have the tubes and fittings,,,,

clamp in vise, fill with fluid. cover each port with a finger. use a phillips head screwdriver to push the piston in(with fingers off the ports), when piston is fully depressed, cover holes with fingers and release piston, repeat about 4-8 times, done. It's messy, but it works! https://www.nopistons.com/forums/pub...IR#>/smile.png

I thought you were having menstral problems while you work out.

Mark.

Quote:

Originally Posted by turbovr6' date='Jan 3 2005, 09:18 PM

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I did the same. But my new MC came with little plugs over the holes, so that helped some. I worked from the back to forward, unplugged the hole, pressed the cylinder, covered with finger, pressed and let go, until no air, plug hole, repeat for other holes.