e36 m3 conversion... brakes locked with e30 m3 master cylinder

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  • 91Saleen#15
    Wrencher
    • Mar 2006
    • 230

    #1

    e36 m3 conversion... brakes locked with e30 m3 master cylinder

    Locked up tight. they release when I cracked the lines at the master cylinder
    Anybody run into this problem before?
    Richard
  • 91Saleen#15
    Wrencher
    • Mar 2006
    • 230

    #2
    Problem solved.
    Richard

    Comment

    • MR 325
      Moderator
      • Oct 2003
      • 37826

      #3
      What was the problem?
      BimmerHeads
      Classic BMW Specialists
      Santa Clarita, CA

      www.BimmerHeads.com

      Comment

      • 91Saleen#15
        Wrencher
        • Mar 2006
        • 230

        #4
        Originally posted by MR 325
        What was the problem?
        It wasn't the M3 master cylinder. The alignment disk in the booster wasn't fully seated, and when it slipped out and forward, it let the pedal side of the connecting rod between the booster and the master cylinder slip downward, which put the connecting rod at an angle and kept the master cylinder from returning far enough to release the pressure. Then, each time the brakes were actuated, they pumped up a little more until they locked the wheels up solid.

        Not a terribly clear explanation, but I hope it works for you.
        Richard

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