Removing hub/toothed belt sprocket from crank

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  • xLibelle
    R3VLimited
    • Aug 2004
    • 2673

    #1

    Removing hub/toothed belt sprocket from crank

    How do you do this? The shop manual suggests a special tool, must i actually have to order this from bmw?
  • rs4pro3
    R3V Elite
    • Oct 2003
    • 5808

    #2
    just removed the 13mm headed bolts holding it on, and then pull it off, a rubber mallet comes in handy to tap on it a tad.
    85 325e 2.7 ITB'd stroker

    Comment

    • xLibelle
      R3VLimited
      • Aug 2004
      • 2673

      #3
      Originally posted by rs4pro3
      just removed the 13mm headed bolts holding it on, and then pull it off, a rubber mallet comes in handy to tap on it a tad.
      to clarify, the item that needs to come off is the hub where the 13mm bolts screw into. attached to that hub is the crank's sprocket where the timing belt runs around. its diameter is too large to remove that last dust cover...

      Comment

      • xLibelle
        R3VLimited
        • Aug 2004
        • 2673

        #4
        hmm, i skipped a step, the one at the top of this picture... maybe that would make it easier. uhg.
        Attached Files

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        • xLibelle
          R3VLimited
          • Aug 2004
          • 2673

          #5
          OHHH, thats what #3 is in the second picture. i thought that was part of the tool... man these pictures suck!

          Comment

          • xLibelle
            R3VLimited
            • Aug 2004
            • 2673

            #6
            so here is what i was able to put together, as that bolt was in there so damn tight... looks kinda like... loctite, wtf
            Attached Files

            Comment

            • rs4pro3
              R3V Elite
              • Oct 2003
              • 5808

              #7
              ahh, Ya that bolt is on super tight, heating it with a torch and then hitting it with an impact wrench ussualy does the trick.
              85 325e 2.7 ITB'd stroker

              Comment

              • Brew
                No R3VLimiter
                • Oct 2003
                • 3060

                #8
                Air tools are your friend.
                '91 318is
                sigpic

                Comment

                • xLibelle
                  R3VLimited
                  • Aug 2004
                  • 2673

                  #9
                  Originally posted by Brew
                  Air tools are your friend.
                  yeah, i'm new to owning my own tools on the large scale... that one probably wont happen until i need the compressor for the paint job.

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