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    Clutch Change

    G'day All,

    I'm currently changing my clutch and I am going to renew the crankshaft spigot bearing, does any body have any ideas on how to remove the old one?

    I've tried filling the hole with grease and trying to "hydraulically" move it with a bolt as the piston to no avail.

    I'm nowthinking of running a tap down the centre of the old bearing to "screw" it out.

    If anyone has tried this before, what size tap did you use?

    Thanks in advance,

    Raoul

    #2
    imported post

    A 1/2-20 tap just fits into the bearing, in fact the bearingin my spare engine pulled outwith this size, so you'll need the next size or two up if you want to cut a thread. Problem will be trying to get the thread to cut as I image the bearing will start to rotate. If you manage to cut enough thread I'd fit a bolt and then lever the bearing out. Failing that I'd just drill it out.

    You probably already know this but taps are very brittle, I would be very careful when taping into a blind hole. If you break it in situ you'll have the devils own job getting it out!








    1976 Triumph V8 Manual/OD in BRG

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      #3
      imported post

      Marco Polo wrote:
      I've tried filling the hole with grease and trying to "hydraulically" move it with a bolt as the piston to no avail.
      A piece of wooden dowel that's a tight fit tends to work better than a bolt as the piston in my limited experience...........

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        #4
        imported post

        Thanks guys, I'll trya dowel first and then the tap.

        regards,

        Raoul

        Comment


          #5
          imported post

          I useda hacksaw blade and cut down the length, it's bronze so cuts easily, the tap idea might be better idea though.

          Comment


            #6
            imported post

            Thanks Mr Nadgers,

            I thought of hacksawing it but thought against it as too much effort! I'm off tomorrow so I'll chop down a convenient tree to make a dowel and try that first.

            I've also "borrowed" a set of taps from work and use these as a primary backup.

            The hacksawblade will be secondary back up after I've switched the aircon on in the garage and cooled it down a bit!

            regards,

            Raoul


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              #7
              imported post

              Hi

              took about five minutes with the hacksaw blades, it's bronze so is soft.

              Dave

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