The size of your nuts (brakes front subframe ones that is)

Post any technical questions or queries here.
Post Reply
AndyPen
1275 Cooper S
Posts: 3920
Joined: Mon Jul 24, 2017 5:55 pm
Location: South Wales
Has thanked: 18 times
Been thanked: 50 times

The size of your nuts (brakes front subframe ones that is)

Post by AndyPen »

Hi all,

I know the drivers side one has to be shallow but some cars had a passenger side brake pipe one that was quite deeper I believe????

I think this was because it made it easier to remove as it sat above the subframe lip and a spanner can get to it through the wing????

Or was this just a mod we did back in the day I wonder? Anyway, Somerford do them and this is how they look with the test pipework (spire washer yet to be fitted). I do have the shallower nut as well (same one as on clutch pipe), so what are you all using and... am I missing something if I retain this larger one???


big-nut-fr-subframe.jpg
You do not have the required permissions to view the files attached to this post.
imack
998 Cooper
Posts: 453
Joined: Wed Oct 25, 2017 9:06 pm
Location: Kent
Been thanked: 10 times

Re: The size of your nuts (brakes front subframe ones that is)

Post by imack »

Shallow ones both sides on mine.
You do not have the required permissions to view the files attached to this post.
User avatar
Andrew1967
1275 Cooper S
Posts: 7927
Joined: Thu Jun 24, 2010 6:35 pm
Location: Usually in my garage on the east coast of Norfolk, UK
Been thanked: 8 times

Re: The size of your nuts (brakes front subframe ones that is)

Post by Andrew1967 »

Should be deeper on the LH under the radiator. Not sure why really.

Looks like that deep nut is upside down ;)
User avatar
Peter Laidler
1275 Cooper S
Posts: 6398
Joined: Sat Jul 15, 2017 5:35 pm
Location: Abingdon Oxfordshire
Has thanked: 139 times
Been thanked: 118 times

Re: The size of your nuts (brakes front subframe ones that is)

Post by Peter Laidler »

Yes Andy Pen, I can see EXACTLY where you're coming from. The LONGER LENGTH of your nut allows it to protrude higher and thus will allow you greater access to it later, without the need to remove the radiator. This is the same idea of mine a few years ago to use a longer headed bolt (or a bolt with a spacer nut behind the head) on the rearmost clutch slave cylinder retaining bolt. The nut head, being higher allows greater access to it.

As Andy1967 says, the nut looks to be upside down. A star washer will raise it a bit more too. longer nuts never did me no harm though
AndyPen
1275 Cooper S
Posts: 3920
Joined: Mon Jul 24, 2017 5:55 pm
Location: South Wales
Has thanked: 18 times
Been thanked: 50 times

Re: The size of your nuts (brakes front subframe ones that is)

Post by AndyPen »

Thanks folks - the nut is the same both sides, whereas the originals had a flat bottom - oooeeer I hear you say :-)

That ages me???

At the moment I can only see advantages - as long as it doesn’t foul the pipe fitting it seems plus all round?
Daz1968
1275 Cooper S
Posts: 1440
Joined: Sat Dec 27, 2014 1:41 pm
Location: Oldbury west midlands

Re: The size of your nuts (brakes front subframe ones that is)

Post by Daz1968 »

Pretty sure mine had taller nut radiator side and thinner on clutch side
hicklingmick
Basic 850
Posts: 65
Joined: Mon Jun 29, 2020 5:24 pm
Location: Rural norfolk Uk

Re: The size of your nuts (brakes front subframe ones that is)

Post by hicklingmick »

Surely how high the brake pipe union sits depends on the how long the thread is on the flexi pipe it fits too?.

What ever size nut you fit doesnt make the flexi pipe thread any longer.
AndyPen
1275 Cooper S
Posts: 3920
Joined: Mon Jul 24, 2017 5:55 pm
Location: South Wales
Has thanked: 18 times
Been thanked: 50 times

Re: The size of your nuts (brakes front subframe ones that is)

Post by AndyPen »

There’s plenty of length there it seems, the one in the pic is only loosely fitted.

Something else spotted - the new brake switch union is straight - not 90 degrees like imacs. Back to my bucket of bits to find the original then!!
User avatar
Bitsilly
1275 Cooper S
Posts: 833
Joined: Fri Jun 19, 2020 8:09 pm
Location: Wales
Been thanked: 4 times

Re: The size of your nuts (brakes front subframe ones that is)

Post by Bitsilly »

It’s good to see Viz alive and well in the community :lol: :lol: :lol:
Post Reply