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Thread: The Steering Wheel Nut

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    Obi Wan
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    The Steering Wheel Nut

    Not the one on the box but the one that holds the steering wheel down. What size is it? It's not 1&1/4" the largest one i have. Hope it's not a British oddball. I'm going to have to borrow a socket. Also ....does the nut have a torque value? Thanks Karl

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    Jedi Trainee Graham H's Avatar
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    Re: The Steering Wheel Nut

    I couldn't find a socket in my toolbox to fit that nut so I filed the nut down to fit one of my sockets?

    Graham
    [SIGPIC][/SIGPIC]

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    karls59tr (02-26-2020)

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    Luke Skywalker
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    Re: The Steering Wheel Nut

    Mine measures 1 5/16 exactly. The nut is usually easy to remove as there is not much force on it. I think I've used an open end wrench vertically and also a punch to get them off. I've never torqued it back on either. "Good and snug" has always worked for me.
    Tom
    1960 TR3A TS73117 (under endless restoration, owned since 1964)
    1959 TR3A TS58023 (in case I never finish the one above)
    1969 Triumph Herald 13/60 (a whim)
    1970 Lotus Elan Plus 2 /0023/N
    1992 BMW325IC (fun to drive)

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    karls59tr (02-26-2020)

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    Re: The Steering Wheel Nut

    This week, I just happened to be playing with the steering wheel nut on my TR2. The hex is indeed 1-5/16", and the thread is a weird one, at least in the USA. It seems to be from the "BSCY" (British Cycle) series, and it's 11/16" x 26 tpi. Looked on ebay and most of the taps and dies for this thread seem to come from India. The thread series may also be referred to as "BSB".

    The other thing to be aware of is that the nut may have been "staked" at the factory by deforming the threads using a pin punch or pointed marking punch. This is to keep the nut from accidentally coming loose. Look for three punch marks on the face of the nut that faces the driver. Not having the correct tap or die, I wound up manually cleaning up the threads on the steering column shaft with a very small file.

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    karls59tr (02-26-2020)

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    Yoda
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    Re: The Steering Wheel Nut

    Good call on those 3 punch marks groupdeville; the last time I put a steering wheel on the nut had those punches , and they can effect the torque because I was not sure what I was feeling, the wheel snug or the punch marks maybe stripping the threads. The shaft has a taper fit to match the wheel and the splines, so clean everything up good and then tighten the nut with maybe someone holding the wheel to help. I do not know of a torque, maybe 25.

    After you get the wheel tight enough for you--- work the wheel some back and forth then push it in and pull back a little in and out or maybe drive the car some before you put the stator tube back. I put the stator back in once right away then in a couple of days I could feel a little back and forth click with the wheel. What happened was I did not get the wheel nut tight enough by about a turn or the shaft taper was dirty or whatever, but I had to pull it all apart to tight that turn to stop the click.

    steve

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    karls59tr (02-26-2020)

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    Yoda CJD's Avatar
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    Re: The Steering Wheel Nut

    I had Steve’s experience too. The nut does not “feel” hardened, so I was afraid to crank on it. The wheel later loosened a bit after use. I then snugged the nut back down and all is tight 3 years later.
    John

    1955 TR2

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    Yoda Marvin Gruber's Avatar
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    Re: The Steering Wheel Nut

    Have seen the three punches on the nut as well, thought a PO did it to loosen nut.

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    Re: The Steering Wheel Nut

    Would anyone know if these threads are the same as the TR6? Or what the TR6 threads are? If not, I'll start a thread to inquire all.

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    Obi Wan
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    Re: The Steering Wheel Nut

    Well the hex nut on my steering column also had the 3 punch marks so staking the nut must be a factory thing. I'm going to clean up the threads on the column shaft with a small file like groupdeville suggested.

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    Re: The Steering Wheel Nut

    I used a flat distributor point file and a triangular file on the shaft threads. A small round file worked fine at removing most of the distortion on the threads inside the nut, though it's a crude approach. If one wants to be proper about it, here are a couple of ebay links to the tap and die needed to clean up the threads. The ones I found seem to all come from Australia or India.

    Die: https://www.ebay.com/itm/RDGTOOLS-BS...53.m1438.l2649

    Tap: https://www.ebay.com/itm/RDGTOOLS-BS...53.m1438.l2649

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