504 1973 tube spanner?
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Thread: 504 1973 tube spanner?

  1. #1
    ccc
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    Default 504 1973 tube spanner?

    Hi
    Anyone in Brisbane have a spark plug tube spanner for a 1973 504 for sale?
    thx

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  2. #2
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    A decent auto tool shop should sort you out.

    They come in a large array of diameters (both plug and the recess it's in), number of points, and lengths including some very long ones. With handles or to suit spanners or square drives.

  3. #3
    ccc
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    no luck with repco indooroopilly or trade tools.
    Am after the genuine article.
    thx

  4. #4
    1000+ Posts Peter Chisholm's Avatar
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    There are two types of genuine 504 spark plug spanners - the one that comes with the car and the one that used to be sold as a spare. The one that came with the car is very poor quality and not worth getting. The other type is very good but probably now scarce but could be available on Ebay etc. In the past, many 504 owners welded a traditional spark socket onto the end of suitably sized length of pipe.

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    If you can't get a Pug one, perhaps this - 5/8inch Extra Long Spark Plug Tube Spanner

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    Contented Peugeot Driver addo's Avatar
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    That's very cheap! Can't knock the value.

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    Fellow Frogger!
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    Quote Originally Posted by ccc View Post
    Hi
    Anyone in Brisbane have a spark plug tube spanner for a 1973 504 for sale?
    thx

    If you have no luck locally Der Franzose has them

    No use if you want it now, but they usually get stuff out in 2-3 weeks

    Good Luck

    Andrew

  8. #8
    ccc
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    Default

    thanks guys. Checked out the web site & there is a 13/16" too.
    An alternative to the tube spanner is possible..
    The tube spanner is required as the spring joining the spark plug to the s/plug lead prevents a conventional s/plug socket being used as its in the way.
    The spring is held in place by the aluminium nut that threads onto the top of the spark plug.
    This little nut is usually tightened outside of the engine and the attached s/plug then tightened with the tube spanner into the cylinder head.
    If a slot is filed into the little aluminium nut beforehand to take a screw driver, the alternative assembly is as follows.
    The s/plug without nut or spring is torqued in place with a conventional socket.
    Spring is put into tube and onto s/plug.

    The slotted nut is held in place with a 3mm ball of blu tac on the end of a screw driver. Next is the tricky bit mostly done with feel...
    Carefully guide the nut attached to the end of the screw driver onto the threaded end of the s/plug.
    Gently screw on.. Withdraw the screwdriver with blu tac still attached.
    Then do a final tighten with the screw driver sans blu tac.
    Still need the tube spanner to remove the plug the first time. After that the s/plugs can be torqued using the slotted nut method.

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    I might have one in my old toolbox in Marburg. I will be there from next Wednesday, so will take a look for you. I expect that if I get another 504 it will have to be diesel!!! Since the one I have is stainless steel, I expect it is still there and in good condition.

  10. #10
    1000+ Posts Wildebeest's Avatar
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    Of necessity the 13/16" 504 [404. 403. 203] plug spanner will have to be thin a walled tubular type.
    The socket set type plug spanners will not allow the spring wire extension to pass through.

    I would be very wary, however desperate, of trying to remove the small nut any other way than on the bench where the nut wont get lost down the plug 'ole.

    Can you borrow a plug spanner to tide you over until one becomes available?

    PS. The later 504 engine did away with the extension spring set up, plastic or fibre insulated extensions replacing these.

  11. #11
    1000+ Posts robmac's Avatar
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    where the nut wont get lost down the plug 'ole.
    I remember my "brave" mate, who despite my protests, whipped out the plug and let the brass doover fall into the bore.

    After replacing the plug and starting the tinkling out the exhaust caused him to "crow" about my "being careful bullsh!t"

    Shortly, after the engine developed a rough idle and ran on three when driving it was my turn to crow!

    EDIT: it needed the head off and an exhaust valve seat and valve replacing.
    FedGrapes likes this.

  12. #12
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    For $11.50 why don't you ring the mob in Melbourne and buy out their stock?

  13. #13
    Administrator GreenBlood's Avatar
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    Quote Originally Posted by ccc View Post
    thanks guys. Checked out the web site & there is a 13/16" too.
    An alternative to the tube spanner is possible..
    The tube spanner is required as the spring joining the spark plug to the s/plug lead prevents a conventional s/plug socket being used as its in the way.
    The spring is held in place by the aluminium nut that threads onto the top of the spark plug.
    This little nut is usually tightened outside of the engine and the attached s/plug then tightened with the tube spanner into the cylinder head.
    If a slot is filed into the little aluminium nut beforehand to take a screw driver, the alternative assembly is as follows.
    The s/plug without nut or spring is torqued in place with a conventional socket.
    Spring is put into tube and onto s/plug.

    The slotted nut is held in place with a 3mm ball of blu tac on the end of a screw driver. Next is the tricky bit mostly done with feel...
    Carefully guide the nut attached to the end of the screw driver onto the threaded end of the s/plug.
    Gently screw on.. Withdraw the screwdriver with blu tac still attached.
    Then do a final tighten with the screw driver sans blu tac.
    Still need the tube spanner to remove the plug the first time. After that the s/plugs can be torqued using the slotted nut method.
    Where in Brisbane are you, Citroen DS have a similar problem and I have the correct tube spanner for it, you are welcome to loan. . . I'm in Mount Gravatt East.

    Cheers
    Chris
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  14. #14
    ccc
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    Hi Chris
    thanks for the offer, got it covered.
    cheers

  15. #15
    Fellow Frogger!
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    I have found my tube spanner, and you can have it - I am at Marburg nr Ipswich. MSG me if you would like it.

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