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Thread: Trafficator stopped self-cancelling

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  1. #1
    Yoda Michael Oritt's Avatar
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    Trafficator stopped self-cancelling

    Yesterday the trafficator stopped self-cancelling, first on the right hand side and then in short order the left side followed, though it still engages and turns on the flashers in both directions. I no longer hear the "click" when I turn the wheel which I presume engaged the self-cancelling mechanism.

    I have seen recommendations to tighten up "the three grub screws". I have a Lecarra steering wheel with its own hub and there are no screws visible. What is holding the trafficator in and how do I remove it for inspection, etc? BTW I searched the forum and found that this topic was discussed at some length about ten years ago and there were some links to illustrations and articles that are no longer valid.

    Best--Michael Oritt
    1954 Austin-Healey 100 Le Mans
    1958 Elva Courier (FOR SALE)
    1959 Elva MK IV Sports Racer
    1961 Ginetta G4

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    Jedi Hopeful Griz's Avatar
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    Re: Trafficator stopped self-cancelling

    Michael, I'm in the process of re-aligning my steering wheel and therefore will have to adjust my trafficator accordingly. I googled Austin Healey Trafficator Repair and found several articles. The one I downloaded was written in 2005 by Lin Rose. Hope this helps.

    Griz

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    Yoda Michael Oritt's Avatar
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    Re: Trafficator stopped self-cancelling

    Griz--

    Can you please give me the link to--or tell me where I can find--the article?

    Best--Michael Oritt
    1954 Austin-Healey 100 Le Mans
    1958 Elva Courier (FOR SALE)
    1959 Elva MK IV Sports Racer
    1961 Ginetta G4

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    Great Pumpkin NutmegCT's Avatar
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    Re: Trafficator stopped self-cancelling

    Until Griz chimes in - take a look:

    http://www.healey6.com/Technical/Tra...%20Repairs.pdf

    Tom M.
    Mac & Phyllis Take a Trip: http://nutmegflyer.com/trip-details-daily-updates/
    History: 1976 MGB, 1959 Triumph TR3A, 1960 Mercedes-Benz 190b, 1958 Rambler American.
    Current: 1953 MG TD27318.

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    Jedi Hopeful Griz's Avatar
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    Re: Trafficator stopped self-cancelling

    NutmegCT beat me to it.

    Griz

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    Yoda Michael Oritt's Avatar
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    Re: Trafficator stopped self-cancelling

    Thank you fellas.

    Best--Michael Oritt
    1954 Austin-Healey 100 Le Mans
    1958 Elva Courier (FOR SALE)
    1959 Elva MK IV Sports Racer
    1961 Ginetta G4

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    Jedi Hopeful Griz's Avatar
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    Re: Trafficator stopped self-cancelling

    According to Lin's instructions, the first thing to do is pry the horn button ring off. I just tried to do this and cannot seem to get it to budge. I don't want to scar it up, so can anyone who has done this pipe up and tell me the best way to get it off? Thanks.

    Griz

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    Yoda John Turney's Avatar
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    Re: Trafficator stopped self-cancelling

    Get between the chrome and bakelite with the edge of a knife.
    John, BN4

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    Jedi Hopeful Griz's Avatar
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    Re: Trafficator stopped self-cancelling

    Thanks John, I'll give that a try.

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    Luke Skywalker
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    Re: Trafficator stopped self-cancelling

    Mmm I don't think that my self cancelling system ever worked. and now the center gently rotates when I turn the wheel so that I have to constantly place it back in the center position after operating it. I think that it a because there is a mixture of old and new in there, as the 'plastic' center portion of the operating lever broke, and I was lucky enough to obtain a replacement from an old unit for coppers, and this needed fettling to get it to work with the rest which was a modern unit.



    Bob

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    Yoda John Turney's Avatar
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    Re: Trafficator stopped self-cancelling

    Bob,

    The nut on the front of your steering box may be loose. Best check your oil/grease level.
    John, BN4

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    Yoda
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    Re: Trafficator stopped self-cancelling

    The trafficator hub will turn if it's in contact with the steering wheel hub. The 'olive' can prevent this to some extent, but if the steering hub is trying to turn the stator tube the olive may not be able to stop it, and if you have an adjustable steering wheel the slot in the stator will eventually fracture as the sharp corners (why these aren't radiused is beyond me).

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    Yoda Randy Forbes's Avatar
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    Re: Trafficator stopped self-cancelling

    Michael, if yours worked fine then suddenly stopped__assuming no crunchy or cracking noises were emitted__then probably all you need is for the (former...) lub that was used to be cleaned out and lightly lubricated.

    Most of these that I've encountered have still been intact, but were so gummed up that nothing moved freely. It's a tedious job, but not really difficult__just be mindful of the three (3?) springs that are bound to do what springs do!

    There's some detailed pictures of a MKIII unit here: http://spcarsplus.com/piwigo/index.php?/category/381 I expect they're all pretty similar, whether adjt. or non-adj column, 4-cyl or 6-cyl. Treat them nice, and they might last forever (BN6L/942 is still on its original, to the best of my knowledge).

    I'm guessing that this gunk used to provide some sort of lubrication; it was like gum when I took it apart.

    http://www.britishcarforum.com/bcf/image.php
    57 Healey BN6L-942 Wine Red/Honey Tan
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    Luke Skywalker
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    Re: Trafficator stopped self-cancelling

    John/Bob

    Thanks for that I will certainly give it a coat of looking at.



    Bob

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    Re: Trafficator stopped self-cancelling

    Michael, just make sure that the center of the steering wheel does not rotate with the wheel but stays in position (well, just moves a little bit due to the unevitable play) when you turn the wheel. It must do so for the self-cancelling mechanism in the trafficator to work. If the trafficator has started to rotate with the steering wheel the problem is not within the trafficator itself, but either the stator tube has broken off, the splines in the steering wheel adjustment mechanism are worn or the olive at the bottom end of the steering box is not locking the stator tube in position.

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