Break wear problem.

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  • cahomey
    E30 Fanatic
    • Mar 2004
    • 1201

    #1

    Break wear problem.

    Ok, about two weeks ago i purchases new pads and rotors. And ever since my right outer pad has been only touching on the outer surface of the rotor.
    I've tried tighting everything, the caliper is solid. Are there internals that go bad and create this problem?

    Right side.


    The left side doesnt do it as much but that same issue is present.
    Left Side.


    Thanks for you time.

    "It's like a koala bear crapped a rainbow in my brain."
    R.I.P. Harry Goz aka. Captain Murphy
    "My ride, My ride, she don't beg, steal, cheat, or lie,
    My ride, My ride, and our relationship is classified."
  • T.Dot E30
    E30 Addict
    • Mar 2004
    • 536

    #2
    Did you clean the sliders up good and put some anti-seize or brake grease on them?

    Also when you pushed the piston in, was it really hard to go in? Like it could be seized?

    Comment

    • cahomey
      E30 Fanatic
      • Mar 2004
      • 1201

      #3
      The piston is not siezed and moves freely.
      And cleaning the sliders didn't help either.

      "It's like a koala bear crapped a rainbow in my brain."
      R.I.P. Harry Goz aka. Captain Murphy
      "My ride, My ride, she don't beg, steal, cheat, or lie,
      My ride, My ride, and our relationship is classified."

      Comment

      • EverWiser
        Grease Monkey
        • Aug 2004
        • 313

        #4
        Who turned your rotors? Is it possible that their machine's tool is not linear or that maybe the rotor loosened up during the cutting? If they didn't have the rotor properly centered and tight it would have a tendency to cut more material near the center and less out at the edge. Have you held the pads inside the caliper and measured the distance between them to see if they're parallel to each other? If they're parallel then your rotor was turned improperly, if not, recheck/replace the caliper. Just some thoughts...

        Comment

        • cthulu703
          Wrencher
          • Oct 2004
          • 288

          #5
          I assume you greased them after you cleaned the sliders. I use a thin film of teflon grease. You could try the bronze bushing replacements for the sliders and see if it helps. I believe that are a bavauto or BMP thing.

          Comment

          • EverWiser
            Grease Monkey
            • Aug 2004
            • 313

            #6
            Sorry...I just reread your original post where it says you bought new rotors. That doesn't necessarily rule them out but it does make them less suspect. I'd definitely check the pads for parallel when they're mounted in the caliper. It sounds like, over time, the seating surfaces in the caliper may have worn irregularly.

            Comment

            • grapedrink
              E30 Mastermind
              • Nov 2003
              • 1514

              #7
              I would say your rubber guides are worn. Get the bronz ones and see if it helps.

              Originally posted by DaveCN
              Welcome.

              Your car is a piece of shit.

              Most of them here are, too.

              Comment

              • cahomey
                E30 Fanatic
                • Mar 2004
                • 1201

                #8
                Where does one get those rings?

                "It's like a koala bear crapped a rainbow in my brain."
                R.I.P. Harry Goz aka. Captain Murphy
                "My ride, My ride, she don't beg, steal, cheat, or lie,
                My ride, My ride, and our relationship is classified."

                Comment

                • grapedrink
                  E30 Mastermind
                  • Nov 2003
                  • 1514

                  #9
                  Bavarian auto or BMP. I don't remember exactly and they should only be about $75.

                  Originally posted by DaveCN
                  Welcome.

                  Your car is a piece of shit.

                  Most of them here are, too.

                  Comment

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