bled the slave cyl and...

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  • jw 325ic
    E30 Fanatic
    • Sep 2006
    • 1360

    #1

    bled the slave cyl and...

    now the clutch is falling to the floor....time for a new slave cyl?? the clutch was working fine before but now i bled the system and its stuck.
  • NC325iC
    R3V OG
    • Mar 2004
    • 6565

    #2
    check it again in the morning, i know this sounds stupid but give it a shot
    Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

    Originally posted by TimKninja
    Im more afraid of this thread turning into one of those classic R3v moments, where Pizza gets delivered.

    Comment

    • backtrail69
      R3V Elite
      • Jul 2005
      • 4471

      #3
      May need to power bleed it. I hate that fucking thing.
      :: PNW Crew ::
      '87 325 4dr, '74 2002

      Comment

      • jw 325ic
        E30 Fanatic
        • Sep 2006
        • 1360

        #4
        Please explain how to power bleed. thanks

        Comment

        • MR 325
          Moderator
          • Oct 2003
          • 37824

          #5
          Did you remove it from the trans and bleed it the right way? Many people don't know that it sits upside down when installed.
          BimmerHeads
          Classic BMW Specialists
          Santa Clarita, CA

          www.BimmerHeads.com

          Comment

          • jw 325ic
            E30 Fanatic
            • Sep 2006
            • 1360

            #6
            no haha. i have a shitty haynes manual and i went by that. whats the best way to bleed it and do you think this will fix the problem? ive replaced master cyl and bled the brakes, that was easy as hell, so i assumed this would be pretty straight forward.

            before i bled it, the clutch was fine, and the it seemed that the slave was just making noises. so i bled it, and now it just falls to the floor. like...i tap it with my foot and on its own just straight to the ground.

            Comment

            • Madhatter
              E30 Modder
              • Oct 2004
              • 966

              #7
              sounds like a dead master cylinder if there is no resistance to the pedal and it just swings about.
              Just a little project im working on
              - http://www.lse30.com -

              Comment

              • jw 325ic
                E30 Fanatic
                • Sep 2006
                • 1360

                #8
                when i press the brake pedal, the slave sinks down to the floor if that helps. i dunno, on my vert, when the slave went out, the pedal did the same thing. then when my master went out the clutch was fine but the brake pedal would fall to the floor... and this didnt happen til i bled the slave so its gotta be that imo...

                Comment

                • jw 325ic
                  E30 Fanatic
                  • Sep 2006
                  • 1360

                  #9
                  been searching, sounds like it could be the master. should i just replace them both? the brake pedal works perfectly though...thats whats weird to me.

                  Comment

                  • backtrail69
                    R3V Elite
                    • Jul 2005
                    • 4471

                    #10
                    The clutch master is a different part than the brake master cylinder FYI. Only thing the two systems share is the res.
                    :: PNW Crew ::
                    '87 325 4dr, '74 2002

                    Comment

                    • Madhatter
                      E30 Modder
                      • Oct 2004
                      • 966

                      #11
                      Loss of fluid at all? or is the pedal just doing weird things?
                      Just a little project im working on
                      - http://www.lse30.com -

                      Comment

                      • jw 325ic
                        E30 Fanatic
                        • Sep 2006
                        • 1360

                        #12
                        only a little bit of fluid bled out, and in the brake fluid reservoir the fluid amount didnt really change...to the point that i didnt need to add any fluid. im clueless honestly. i dont want to spend all sorts of money getting a new clutch master and slave cyl either. i really want to figure out exactly which one it is if either at all...

                        Comment

                        • netcsk
                          E30 Mastermind
                          • Apr 2004
                          • 1609

                          #13
                          Try pulling the pedal back to the position it should be, removing the cap from the reservoir, and removing the slave cylinder from the transmission. Push the rod on the slave cylinder in slowly and release the rod slowly. Do the same a few more times. This reverse bleeds the system and has always worked for me when I had no pedal feel.

                          Comment

                          • tjts1
                            E30 Mastermind
                            • May 2007
                            • 1851

                            #14
                            The clutch slave cyl is upside down. When you tried to bleed it you put a bunch of air in it. The bleed screw has the be the highest point of the slave cyl in order to bleed it use a piece of hose attached to the bleed screw that snakes upward then back down to trap the air bubbles in the hose and not the slave cylinder. Otherwise use a power bleeder.
                            Last edited by tjts1; 04-30-2008, 09:24 AM.

                            Comment

                            • scabzzzz
                              Estado de mierda de encargo
                              • Jul 2007
                              • 6870

                              #15
                              Sounds like also you should have bench lubed the slave cylinder upon installation.

                              I just did my master and slave clutch cylinders last weekend and it took a lot of pumping and fluid spitting to get all the air out.
                              Also, the pedal will stick to the floor if it still has air in it. Have one person in the drivers seat pumping the pedal then hold it down. You, under the car, open the bleeder valve on the slave then close it. Pump 4-5 times and hold it to the floor etc. Repeat until the pedal feel is gone and you are pouring fluid from the bleeder valve.

                              So yeah, sounds like you didnt bleed all the way. Power bleeder would help but not necessary.
                              And take all of the advice above. Its legit.

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