Contaminated pads?

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  • vista461
    #1

    Contaminated pads?

    Now that I think I have all the air out of the lines the bike still doesn't really stop with the front brake. They weren't good before I rebuilt the caliper and since the caliper was leaking fluid is it possible the pads are contaminated by the brake fluid?
    I am low on funds right now so I have the $$$ to just throw parts at it.

    I really miss riding it though.

    What are your thoughts?
    Tags: None
    • posplayr
      Forum LongTimer
      GSResource Superstar
      Past Site Supporter
      • Dec 2007
      • 23673
      • Tucson Az
      #2
      Originally posted by vista461
      Now that I think I have all the air out of the lines the bike still doesn't really stop with the front brake. They weren't good before I rebuilt the caliper and since the caliper was leaking fluid is it possible the pads are contaminated by the brake fluid?
      I am low on funds right now so I have the $$$ to just throw parts at it.

      I really miss riding it though.

      What are your thoughts?
      I think Salty said if they were sintered pads you could throw them into a fire to burn stuff off. Would not do that with organic pads through.

        Comment

        • vista461
          #3
          How do I tell the difference? I saw some goldish colored specks in them if that helps.

            Comment

            • posplayr
              Forum LongTimer
              GSResource Superstar
              Past Site Supporter
              • Dec 2007
              • 23673
              • Tucson Az
              #4
              Originally posted by vista461
              How do I tell the difference? I saw some goldish colored specks in them if that helps.
              try some brake cleaner and see if that helps first.

                Comment

                • SqDancerLynn1
                  #5
                  You could try baking them in the oven for 1/2 hr maybe 300 degrees

                    Comment

                    • vista461
                      #6
                      Tried the brake cleaner already before I put it back together.
                      Don't think the oven method would fly in my house. Lol

                        Comment

                        • vista461
                          #7
                          I have propane torch if that would work.

                            Comment

                            • gs road racer
                              #8
                              Just bring them to Lynn's

                                Comment

                                • vista461
                                  #9
                                  Well in checking a bit, it looks like they are organic pads. They are EBC's. Guess it's time for new pads it's a shame since they have a ton of life left.

                                    Comment

                                    • Nessism
                                      Forum LongTimer
                                      GSResource Superstar
                                      Past Site Supporter
                                      Super Site Supporter
                                      • Mar 2006
                                      • 35792
                                      • Torrance, CA
                                      #10
                                      You might want to try some 80 grit sandpaper and a flat surface. Sand off a thin layer to clean off the contaminated skin. Worth a shot. If that's a no go, I've got some decent used pads you can have. PM if you want to discuss.
                                      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

                                        • Guest
                                          #11
                                          Did you let them bed in?

                                            Comment

                                            • vista461
                                              #12
                                              Originally posted by chef1366
                                              Did you let them bed in?
                                              No they were on the bike when I got it

                                                Comment

                                                • vista461
                                                  #13
                                                  Well took the calipers back off. Cleaned off the rotors and pads with brake cleaner. Sanded the pads a bit with 80 grit paper. Better but not all that great.

                                                    Comment

                                                    • vista461
                                                      #14
                                                      If they do in fact just need to bed in, would it be normal that until they do, the rear actually stops it faster than the front?

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