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purging out the brake system

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  • Larry Jones
    Experienced
    • Feb 3 2009
    • 265

    purging out the brake system

    What would be a step by step process in bleeding all four brakes. Do the wheel cylinders have a bleeder to them. I own a 1962 ford thunderbird convertible. Thanks Larry
  • newyear
    Experienced
    • Jan 4 2005
    • 196

    #2
    Purging out the brake system

    Larry
    This is part of a page from one of my favourite/useful books-"Motor Vehicle Technology for Mechanics" ISBN 0-333-60159-9
    I am hoping this will help
    Peter
    Attached Files

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    • simplyconnected
      Administrator
      • May 26 2009
      • 8778

      #3
      Excellent book and procedure, Peter. What I like is that it pertains to just about all cars.

      Larry, do you have a Shop Manual for your car?
      Member, Sons of the American Revolution

      CLICK HERE to see my custom hydraulic roller 390 FE build.

      "We've got to pause and ask ourselves: How much clean air do we need?"
      --Lee Iacocca

      From: Royal Oak, Michigan

      Comment

      • Larry Jones
        Experienced
        • Feb 3 2009
        • 265

        #4
        bleeding the system

        Thank you for your insight newbie. Larry

        Comment

        • Astrowing
          Experienced
          • Jul 22 2009
          • 478

          #5
          I guess the "slowly" part is what I have not done well. I guess this explains why I've gotten a much better bleed using a Mighty Vac.
          sigpic

          CLICK HERE for Jim's web site

          Comment

          • simplyconnected
            Administrator
            • May 26 2009
            • 8778

            #6
            Nothing beats an evacuate and fill process. It does a great job on all liquid-filled systems.

            Filling manually, sometimes a 'dry' engines could have a 'bubble', preventing coolant from filling all the voids which can lead to overheating. Not with vacuum... ALL voids get filled and when the fill step completes, the liquid level stops perfectly at the top.

            In brake systems, there is no need for 'bench bleeding' when using a vacuum. And, if a vacuum cannot be reached, it's a clear indication there is a plumbing leak somewhere; there is no reason to 'fill' until the leak is fixed. Same rules apply to A/C systems. - Dave
            Member, Sons of the American Revolution

            CLICK HERE to see my custom hydraulic roller 390 FE build.

            "We've got to pause and ask ourselves: How much clean air do we need?"
            --Lee Iacocca

            From: Royal Oak, Michigan

            Comment

            • newyear
              Experienced
              • Jan 4 2005
              • 196

              #7
              Purging out the brake system

              Hi
              I am wondering if I gave bad advice on the forum before concerning the brake light switch being rendered u/s by the process of flushing the hydraulic system, thereby creating a tiny air pocket in the switch.I remember that my brake lights did not work after I had to change the master cylinder but that I got the lights working once the brakes had been bled and also after I had used a plastic syringe to fill the switch with a small amount of brake fluid.This may just have been a fluke so I was wondering whether anyone else had had to do similar
              Regards
              Peter

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