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REAL BAD BRAKE FADE need help bc its the dd

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    #1

    REAL BAD BRAKE FADE need help bc its the dd

    ok, it happend to me twice and its starting to freak me out.

    When i go to press the break, it just seems to give out and i squish it to the floor with no stop; then when i quickly release and apply pressure again the brakes seem fine and i can stop. this happend to me twice today almost resulting in a collision.

    I checked the fluid and all seems fine and at the level i had it when i changed the tranny out. there appears to be no leaks and the booster to manifold like in vacuum tight. it only happened today.

    Any ideas, or does anyone know why???

    -BB
    -BMC
    -NEED NEW BRAKES

    just some ideas...
    ?
    Tags: None
    #2
    Well, to start eliminating things, I would say it's not vacuum, or it wouldn't go to the floor, it would just be hard to push.

    Does it have ABS?
    85 325e m60b44 6 speed / 89 535i
    e30 restoration and V8 swap
    24 Hours of Lemons e30 build

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      #3
      is the master cylinder going bad?

      Comment

        #4
        in all likelyness your MC is going bad.
        Build thread

        Bimmerlabs

        Comment

          #5
          That or you are loosing a wheel cylinder.
          The car makes it possible, but the driver makes it happen.
          Jim Levie, Huntsville, AL

          Comment

            #6
            no its not the abs model.

            so most think its the mc? how would i check that?? also i havent bled the brakes in a while, but would not bleeding them cause this to happen??
            ?

            Comment

              #7
              I vote master cylinder. This is their common going out symptom. I assume that really dirty old nasty fluid could cause the ports to get clogged at random times causing a problem.

              Flush it out and drive carfull for a while to see if it fixes it.
              Originally posted by cabriodster87
              "Honey? What color is this wire? Is it the same as that one? Are you sure? I don't believe it. OK, it works. Thank you sweetie."
              Originally posted by Kershaw
              i've got a boner and a desire to speed.

              Comment

                #8
                damn, would it be wise to get a new one or rebuilt one? and who has the better prices?
                ?

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                  #9
                  I had the same issue some time ago. It is the master cylinder. As for getting a rebuilt one, it is your brakes, kinda important, so I'd get a new one. I'm sure that others will disagree. As for price, BMA or fap99.
                  Originally posted by KingB
                  Scratch my back and I buy a prostitute for you, to rub your balls. HAHA now thats some funny shit.

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                    #10
                    anyone know the difficulty of removal/installation? im bouts to order the replacement part. it looks fairly strait forward:

                    -Remove the brake lines from the MC
                    -Two nuts to remove the MC from the BB
                    -Replace old MC with new MC
                    -Reverse order
                    -Bleed

                    is there anything else that would need attention during this process?
                    Last edited by SoopaGhetto; 05-30-2007, 07:20 AM.
                    ?

                    Comment

                      #11
                      new nyloc nuts to booster, new quality fluid, pressure bleeder if you don't already have one spend the money, you'll love the thing.

                      Comment

                        #12
                        have tried bleeding the brakes? (didn't read the whole thread)
                        My 2.9L Build!

                        Originally posted by Ernest Hemingway
                        There are only three sports: bullfighting, motor racing, and mountaineering; all the rest are merely games.

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                          #13
                          When you get a new MC, get the larger one that comes out of the 7 series. Makes your brakes feel nice and tight.
                          Me: "I can't wait to redline my car!"
                          Mark: "Didn't you just break a rocker arm?"
                          Me: "Yeah, I don't think I've learned my lesson."
                          Mark: "You never will."

                          Comment

                            #14
                            ok, i got the mc and all but is there supposed to be a specific order when bleeding? Lots of my friends (car fanatics) say that brakes are bled in a specified order; is this true to the e30?? if so do you know the order and the reason as to why? just curious...
                            ?

                            Comment

                              #15
                              always bleed hydraulics starting from the furthest from reservoir to closest

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