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Wheel Cylinder Problem
https://www.ausmini.com/forums/viewtopic.php?f=2&t=82662		 Page 1 of 1
Author:  MiniBill [ Sat Sep 07, 2013 4:40 pm ]
Post subject:  Wheel Cylinder Problem
Well thought i'd fit my new wheel brake cylinders today and have come up with a bit of a problem , the holes dont line up with the new cylinders .

Image

So do i just file the back plate to fit as ones way out and the other is slightly out?

Day didnt start well either bought some new grease and a kinchone grease gun , decided to make sure grease would get to the ball joint socket " it did " ..... so i put the grease gun on the grease nipple and.................. the bloody thingy wouldnt come of so i used a bit if muscle to pull it off and the top of the grease nipple snaps off in the tip of the gun ...arrrgghhhh .

Whay a freakin day.

Cheers Bill
Author:  mini_mad_matt [ Sat Sep 07, 2013 5:26 pm ]
Post subject:  Re: Wheel Cylinder Problem
Yea just rip in with a file, fairly common problem
Author:  jubblies [ Sat Sep 07, 2013 5:32 pm ]
Post subject:  Wheel Cylinder Problem
I read somewhere it needs to be filed out, unsure where I read it? I think it was when upgrading from 15/16ths to 1 inch.
Are these the 1" cylinders?
For memory mine did fit and I was surprised I didn't need to do any mods!

I recently upgraded the fronts to discs and the rear cylinders to 5/8ths and was surprised when they fit without mods as well.


Justin
Author:  MiniBill [ Sat Sep 07, 2013 6:47 pm ]
Post subject:  Re: Wheel Cylinder Problem
Thanks mmm & Jubblies , they are 15/16 they were the ones karcraft recomended for my model part #GWC126 & 127 " 73 clubby " so i will just file them out then , bit of a pain but what can you do " hopefully the rear ones fit without any mods".

Cheers Bill
Author:  drjbeam [ Sat Sep 07, 2013 10:01 pm ]
Post subject:  Re: Wheel Cylinder Problem
You can get the back plates from karcraft for the 15/16 wheel cyl i changed mine cause one adjuster was loose and kept slipping

There is post on here about the holes a few weeks ago

viewtopic.php?f=2&t=82438
Another one of your threads bill page 2 read what karcraft wrote

Mg spares at smithfield sell 1' wheel cylinders thats where i got mine from before i realised the adjuster was stuffed on passenger side
Author:  MiniBill [ Sun Sep 08, 2013 10:36 am ]
Post subject:  Re: Wheel Cylinder Problem
drjbeam wrote:
You can get the back plates from karcraft for the 15/16 wheel cyl i changed mine cause one adjuster was loose and kept slipping

There is post on here about the holes a few weeks ago

viewtopic.php?f=2&t=82438
Another one of your threads bill page 2 read what karcraft wrote

Mg spares at smithfield sell 1' wheel cylinders thats where i got mine from before i realised the adjuster was stuffed on passenger side


Thats rather disapointing then as Karcraft were the ones telling me which wheel cylinders i needed for my 73 mini and reading that post he says from 74 onwards they were 15/16 ..... damn not sure what to do now as the back plates are over $100 each and dont need replacing anyway ..... arrrggghhh .

Edit : I will ring Karcraft tomorrow and organise an exchange.
Author:  Karcraft [ Sun Sep 08, 2013 11:57 am ]
Post subject:  Re: Wheel Cylinder Problem
Our previous post.

There is nothing wrong with the wheel cylinders.

In about 1974 Leyland changed the stud pattern and backing plates when they introduced 15/16" wheel cylinders to replace the 1" wheel cylinders.

To stop people replacing a 1" cylinder with a 15/16" cylinder Leyland changed the stud pattern slightly. This was a safety measure.

People are too quick to always blame the replacement part.

++++++++++++++++++++++++

If fitting the latter 15/16" cylinders to a 1" car all you have to do is slightly elongate the hole in the backing plate. Using a round file it will take about 1 minute to do.

This slight modification has been around for over 30 years so it is not new !

Hope this helps.
Author:  MiniBill [ Sun Sep 08, 2013 12:46 pm ]
Post subject:  Re: Wheel Cylinder Problem
Karcraft wrote:
Our previous post.

There is nothing wrong with the wheel cylinders.

In about 1974 Leyland changed the stud pattern and backing plates when they introduced 15/16" wheel cylinders to replace the 1" wheel cylinders.

To stop people replacing a 1" cylinder with a 15/16" cylinder Leyland changed the stud pattern slightly. This was a safety measure.

People are too quick to always blame the replacement part.

++++++++++++++++++++++++

If fitting the latter 15/16" cylinders to a 1" car all you have to do is slightly elongate the hole in the backing plate. Using a round file it will take about 1 minute to do.

This slight modification has been around for over 30 years so it is not new !

Hope this helps.


Thanks for the reply , i will do the mod then

Thanks again for not only the help with the parts i needed but also with the fast shipping and the after sales help on these forums , its greatly appreciated.My next order for my windscreen seals etc will be in soon.

Cheers Bill
Author:  michaelb [ Sun Sep 08, 2013 6:26 pm ]
Post subject:  Re: Wheel Cylinder Problem
I have now done this mod to all my drum brake minis. I usually use a dremel, much quicker than a file :wink:
The rears have never been a problem, only the front.
Author:  drjbeam [ Sun Sep 08, 2013 6:47 pm ]
Post subject:  Re: Wheel Cylinder Problem
I was the other way round fitting 1' cyl to 15/16 backplates so i just went back and got some 15/16 cyl cause every thing was coming out to do the oil seals and inner cvs at the time
Author:  MiniBill [ Wed Sep 11, 2013 9:17 pm ]
Post subject:  Re: Wheel Cylinder Problem FIXED
Modded the backplate and the cylinders fit fine " had a harder time putting the spings and shoes in :-)" .

Thanks all

Cheers Bill
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