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DrClock has a brake question ~

Alan MerklinAlan MerklinDrclock - Elkins, West Virginia Supporting Member

I'm stumped at least until I have another go at it tomorrow morning . All new drum brake system on a dune buggy.  New German bench bled master cylinder, correct pedal rod adjustment, new stainless lines, oem hoses, wheel cylinders, shoes & brake hardware.  E' brake off and cables are free, adjusted the shoes correctly .  Bled the system starting at the usual farthest passenger side rear wheel blah blah blah. Have good fluid pressure but the pedal is only I" off the floor and soft.  Only thing I can conclude is that I may have a bad new cylinder yet again I have fluid pressure at each wheel cylinder............... What say you?

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DannyPDannyP

I had trouble getting an initial good pedal in my Spyder when I installed the 4 piston fronts and single piston rears with the correct MC. I even used Teflon/SS braided lines. I did not have to resort to residual pressure valves or anything like that.

When bleeding, you need 3 hard and rapid pumps and a hold, then bleed. Pump that pedal VIOLENTLY and quickly. You'll be amazed at how much air comes out. You should be good after that with a nice high and firm pedal.

You owe me a beer next year, Alan...

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