So from a very long hiatus from working on my car i have finally gathered the time and motivation to get back into it and finish the thing. I posted up some time ago about a seized front wheel cylinder. This problem still is there. So along with fixing this, i thought it would be a good time to give everything a freshen up as it is all pretty old and neglected in the brake department. Plus being drums all round, it needs all the help it can get.

What do i need and where have you bought it from?
Here's what i think i need.
New wheel cylinders all round ( does it matter what size if i am replacing them all?)
New flexible brake hoses.
New shoes.
Do i need to replace the return springs, or can i just reuse them if they seem ok?

Thanks in advance

Tim

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Tim
Dusk Blue
1964 850

MS had complete brake set ups , backing plate with all the bits attached. I bought rears for mine, all good so far. No fiddling about with rusted worn out stripped threads etc.. Couldn't get any easier. Then just add hoses. ( my 2c worth)

I did the same as PeterB. Seemed to be too many parts needing replacing/restoring so I went the MS full kit with finned alloy drums.

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Build thread for Supercharged 1275 1967 Deluxe Resto
Build thread for Mini ute conversion 998cc Turbo

Do you have the single or twin cylinders on the front? If you have the single ones I'd recommend going to the twin ones. I don't think they sell built up front brake units so you'd have to re-do the ones you have now.

The size of the cylinders is very important as it effects the brake bias front to back. You don't want more braking at the rear than the front. There is a chart on this page with the front and back cylinder bore listed
http://www.minispares.com/catalogues/cl ... px?1~9~105

I re-did mine a couple of years ago with new shoes, cylinders and flexi hoses. I kept all the old springs as they were in decent nick. I got all mine from miniking. They work really well now and I don't have any issues.

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if its not your daily drive or a track car use dot 5.1 (silicon based) brake fluid.
Never seizes, no corrosion. its all I use when I redo brake systems. but you need to replace all hoses and all rubbers when changing over (i replace all the hard lines too, had a rusted one fail once, never again).

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Roundy Sedan project with/for daughter

Ok
Thanks everyone for your input. I appreciated your advise.
It has twin cylinder on the front.
What i meant regarding the size is. If i am changing all the cylinders, do i still need to match what was originally there, or could i change to a different/ more effective size (if there is one)?

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Tim
Dusk Blue
1964 850

Just change them for the exact same that it had. With new drums and shoes it will pull up very well.
Make sure you adjust them every 12 months and bleed them every 2 years.

Being in Brisbane and if your in a hurry to get the work sorted you could see a local mini mechanic for the parts (there are two or three around) otherwise jump on the net and look at the mini part suppliers and get the parts that way.
To be sure on a quality/reliable set up, stay standard at front and rear. Brake drums, shoes, cylinders and flexi lines.
You can easily re-use the back plates, adjusters, springs, hardlines and retainers.

First thing I'd do is spray everything in WD40, morning and afternoon for a day or two. Then completely strip front and rears. Ignore the parts you will replace (drums, shoes, cylinders) and thoroughly clean everything else, inspect and then decide what parts need replacing. Order the parts then clean, prep and paint the parts you will re-use. Then simply wait until the new parts arrive and (use an anti-seize grease) assemble everything according to your workshop manual.

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Respect mine and I'll respect yours.