I need help....again!

I should know this but what is the size is this nut?

I have finally got around to replacing the sports steering wheel with a re-furbished original wheel and brand new horn push.

The car is a MK.1 Cooper S 970.

Appreciate any advice.

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1964 Cooper UK 970 S 'CZ 4289'

I should have looked harder...Minisports sell them...1 5/16ths.

Now to buy a bloody big socket.

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1964 Cooper UK 970 S 'CZ 4289'

I have used a 3/4inch Whitworth socket (would be cheap, used, on ebay?) but sockets are a lot cheaper these days.

Thanks Bill.

I went to Sydney Tools and got a 1 5/16ths for $14.

Surely that was a necessary reason to leave home. I did wear a mask. Fogged my glasses something shocking.

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1964 Cooper UK 970 S 'CZ 4289'

Well done, was going to suggest to visit a tool store, picked up a deep impact 1 and 5/16" socket for < $15 a few months ago.

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Clive G
1969 Mk II Cooper S
1970 MK II Cooper S
1963 Triumph Spitfire
1982 RX-7 Series 2

Clean the thread carefully and make sure the nut spins all the way to the bottom of the thread with no effort (without the wheel on).
Only then tighten the nut down on the wheel, with the correct star washer of course.
No need to over tighten - no doubt there is a torque recommendation somewhere.
The thread is an unusual pitch and dies are practically impossible to come by.
Also I have discovered two different pitched nuts in my spares box - some are from other BMC vehicles I am told.

What size is the star washer? Something I can buy from Bunnings, or does it need to be genuine from a Mini site?

Sent from my SM-A305YN using Tapatalk

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1970 Cooper S SPO41

According to Mini Spares this is the internal star washer for the wheel retaining nut:
I've never renewed the washer - and I'm still here to tell the tale...… so far.

http://www.minispares.com/product/Class ... o%20search

That's very interesting. The steering column isn't something you mess with on a regular basis. Will bear it in mind.

Talking about steering wheels, I wonder why so many after market steering wheel manufacturers don't make original steering wheels. Maybe it's too hard.

the majority of car accidents are caused by a loose nut behind the wheel...

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did I tell you that I won a trophy?

Leave the nut on its last few threads when coaxing the steering wheel off...saves a visit to the Dentist

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"Show me the Mini!"

too true

I thought the size of the nut behind the wheel was something above 90kg

Nah, I have lost some weight. Around 75kgs these days....

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1964 Cooper UK 970 S 'CZ 4289'