Did a Complete Flush on Fluid but it turns Black

Collapse
X
 
  • Time
  • Show
Clear All
new posts
  • GabrielGoes
    Forum Mentor
    • Jun 2010
    • 925
    • New York

    #1

    Did a Complete Flush on Fluid but it turns Black

    So this is my second time completley changing the brake fluid for both lines (dual disc up front) i have steel lines... the rubber on the master is in good shape overall the master seems to be in good shape but for some reason the fluid turns black very quickly (like within a few days i believe) any ideas?
    John 3:16
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35793
    • Torrance, CA

    #2
    Did you do a full brake system tear down and clean out? From your description it sounds like there is grunge in the system.
    Ed

    To measure is to know.

    Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

    Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

    Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

    KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

    Comment

    • koolaid_kid

      #3
      I agree. Stuff will settle down into the crevices and will need a disassembly and thorough cleaning to remove completely.

      Comment

      • Crazy_Russian

        #4
        just head to do the same to the rear of my, about 1/3 of the caliper was filled with grime.

        Comment

        • GabrielGoes
          Forum Mentor
          • Jun 2010
          • 925
          • New York

          #5
          what do u mean i should dissassemble the actual caliper(s)? where does grime build up?
          John 3:16

          Comment

          • Adler

            #6
            Behind the pistons in the calipers, for one...

            Comment

            • Crazy_Russian

              #7
              thats the easiest way to get it out... you might be able to take the caliper off and spray brake cleaner inside the caliper and flush it out, but i would not recommend it as it may damage the seals. get a caliper rebuild kit while at it.

              Comment

              • Adler

                #8
                Originally posted by Crazy_Russian
                thats the easiest way to get it out... you might be able to take the caliper off and spray brake cleaner inside the caliper and flush it out, but i would not recommend it as it may damage the seals. get a caliper rebuild kit while at it.
                I would not think that brake cleaner would damage the seals on the brakes but regardless, if you haven't torn down those calipers... you need to.

                Comment

                • Nessism
                  Forum LongTimer
                  GSResource Superstar
                  Past Site Supporter
                  Super Site Supporter
                  • Mar 2006
                  • 35793
                  • Torrance, CA

                  #9
                  Ed

                  To measure is to know.

                  Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

                  Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

                  Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

                  KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

                  Comment

                  • Crazy_Russian

                    #10
                    that's still cleaner then my
                    I dont know if the brake cleaner would cause the seals to swell up or not

                    Comment

                    • cowboyup3371
                      Forum LongTimer
                      Past Site Supporter
                      • Apr 2010
                      • 13998
                      • In Ohio Now

                      #11
                      Did you just change the fluid or did you actually tear everything in the MC and in the calipers down and rebuild both? You won't see any improvement unless you fully rebuild and clean out all parts to your brake system including the lines.
                      Cowboy Up or Quit. - Run Free Lou and Rest in Peace

                      1981 GS550T - My First
                      1981 GS550L - My Eldest Daughter's - Now Sold
                      2007 GSF1250SA Bandit - My touring bike

                      Sit tall in the saddle Hold your head up high
                      Keep your eyes fixed where the trail meets the sky and live like you ain't afraid to die
                      and don't be scared, just enjoy your ride - Chris Ledoux, "The Ride"

                      Comment

                      • Nessism
                        Forum LongTimer
                        GSResource Superstar
                        Past Site Supporter
                        Super Site Supporter
                        • Mar 2006
                        • 35793
                        • Torrance, CA

                        #12
                        Originally posted by Crazy_Russian
                        that's still cleaner then my
                        I dont know if the brake cleaner would cause the seals to swell up or not
                        Brake cleaner should NOT be used to spray inside a caliper or master cylinder. Take these components apart and clean them properly.
                        Ed

                        To measure is to know.

                        Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

                        Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

                        Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

                        KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

                        Comment

                        • Crazy_Russian

                          #13
                          there u go... where is a good place to get rebuild kits?

                          Comment

                          • cowboyup3371
                            Forum LongTimer
                            Past Site Supporter
                            • Apr 2010
                            • 13998
                            • In Ohio Now

                            #14
                            Any of the local or online parts houses will still carry them. It might take a week or so but it's not that bad.
                            Cowboy Up or Quit. - Run Free Lou and Rest in Peace

                            1981 GS550T - My First
                            1981 GS550L - My Eldest Daughter's - Now Sold
                            2007 GSF1250SA Bandit - My touring bike

                            Sit tall in the saddle Hold your head up high
                            Keep your eyes fixed where the trail meets the sky and live like you ain't afraid to die
                            and don't be scared, just enjoy your ride - Chris Ledoux, "The Ride"

                            Comment

                            • Nessism
                              Forum LongTimer
                              GSResource Superstar
                              Past Site Supporter
                              Super Site Supporter
                              • Mar 2006
                              • 35793
                              • Torrance, CA

                              #15
                              Originally posted by Crazy_Russian
                              there u go... where is a good place to get rebuild kits?
                              Any OE Suzuki parts source: dealerships and a multitude of on-line sources such as partshark.com Aftermarket brake system parts are inferior compared to the OE Suzuki parts.
                              Ed

                              To measure is to know.

                              Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

                              Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

                              Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

                              KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

                              Comment

                              Working...