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    Can't remove the distributor.

    Am I missing something?

    I bought a Stag very recently in very good nick, and I am just checking things over. I want to remove the distributor to check the vacuum advance unit, so removed the two retaining bolts and tried to pull it out. It moves a tiny bit and stops with a clunk. It rotates smoothly and looks in good condition. It has the Lumination ignition system, (if this makes any difference)
    I can just get a blade under the clamp unit but levering does no good at all.

    Any help would be appreciated.

    Regards

    Dave

    #2
    There is nothing else holding the distributor on, just the two bolts. BUT two things to bear in mind.

    1. The distributor shaft needs to rotate as you pull the unit out as it is driven by a skew gear on the jackshaft.

    2, The oil pump drive shaft fits into the bottom of the distributor shaft, this is hexagon shaped. I am aware of of a couple of things that can happen with this shaft, A) it can be a very tight fit - I remember replacing mine and having to file the flats down as it would not fit the distributor and B) it can wear and end up a loose fit which can cause/generate a lip which can catch / snatch on the distrutor shaft making it difficult to remove - this happened on my old one and was why I replaced it.

    To remove the distributor lever it up using a couple of flat bladed screwdrivers - one either side (you must ease it up square otherwise it may bind up), at the same time rotate the rotor arm to help the gears unmesh - "rattleing" it back and forth will hopefully get over the situation where the oil pump drive shaft has snagged - in theory turning the rotor arm should make the skew gear push the distributor up.

    Roger
    White TV8 BW35 no mods and now a Dolly Sprint to keep it company
    So many cars, so little time!

    Comment


      #3
      Haven't got an answer sorry, but be very careful , the body is not very strong, ( Ask me how I know have a distributor in 3 pieces to prove it.) Apart from the o ring theres nothing to stop it coming out, the drive does need to turn slightly as it's removed, to un-mesh the distributor gear from jackshaft.

      Good Luck.
      sigpic

      Comment


        #4
        As above, but be VERY careful using levers. The slots that the bolts go in are very fragile. Many a distributor has had at least one of those snapped off.
        Dave
        1974 Mk2, ZF Auto, 3.45 Diff, Datsun Driveshafts. Stag owner/maintainer since 1989.

        Comment


          #5
          Thanks Roger

          The help has given me confidence to try brute force. I could only get a knife under the bottom of the distributor boss and hammered it in. The unit moved up enough to get e screwdriver under the other side and it slowly levered out.

          I refitted it to find where the tightness is and I believe it is when the hex drive shaft enters the oil pump.

          I am now finding out how much the vacuum unit should retract. I think mine d0es not move far enough, only about 5mm.

          Thanks for the help.

          Regards

          David

          Comment


            #6
            Great that you succeeded, but I'm puzzled how the advice gave you confidence to use brute force and levers ...
            The answer isn't 42, it's 1/137

            Comment


              #7
              If in doubt give it a clout, always worked on MG's.

              Comment


                #8
                If at first you don't succeed......... try a bigger hammer!
                Dave
                1974 Mk2, ZF Auto, 3.45 Diff, Datsun Driveshafts. Stag owner/maintainer since 1989.

                Comment

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