Brake Cylinder Rebuild

Post Reply
User avatar
biggiezeke
Posts: 8
Joined: Sat Jan 28, 2012 21:48

Brake Cylinder Rebuild

Post by biggiezeke »

Has anyone used a rebuild kit on the old Lockheed tin can cylinder? I was told by a buddy that I could test it by sealing the top and the plunger should not move if the cylinder is working properly. Is this true?
Nigel(no top)Sykes
MMC Member
Posts: 5257
Joined: Tue Mar 07, 2006 21:04
Location: Everywhere and nowhere baby

Re: Brake Cylinder Rebuild

Post by Nigel(no top)Sykes »

In theory yes, but when I tried resealing one of them about a month later it leaked into the footwell (all over the nice new paint)
Come on summer
User avatar
Tim
Posts: 2311
Joined: Tue Oct 24, 2006 0:41
Location: Hobart, Tasmania, Australia

Re: Brake Cylinder Rebuild

Post by Tim »

I just did a full rebuild on both the clutch and brake M/C in my Mini. I went the whole hog and had them re-sleeved in stainless. If the bore is OK and has no major pitting you can just fit a seal kit, but you need to clean the bore, preferably with a brake cylinder hone. I just have a cheapy that looks like this: http://www.toolmart.com.au/media/catalo ... 996806.jpg

I'm not sure about the test, I've never tried it. There are two holes in the bore between the the cylinder and the reservoir, so the plunger would only stop moving once the seal was past both holes.

Its not unusual to have problems bleeding the cylinder and getting it to start pumping fluid when its first re-fitted. I used a Gunson Eezibleed and followed their suggestion to bleed the cylinder on its own to start with, this can also double as a pressure test for the reservoir and the seals. So far no leaks and the brakes were reasonably effective for primitive single leading shoes.


Tim
Any sarcastic, ignorant, libellous, unfounded or stupid opinions expressed in or through this message are the opinions of the author and do not reflect the opinions or views of any member of The Mini Moke Club or the opinions or views of any other individual.
User avatar
Doug G
MMC Member
Posts: 5096
Joined: Sun Sep 17, 2006 14:44
Location: Caribbean

Re: Brake Cylinder Rebuild

Post by Doug G »

Nigel(no top)Sykes wrote:In theory yes, but when I tried resealing one of them about a month later it leaked into the footwell (all over the nice new paint)
Did you rebuild it or did you replace the unit?
Having a moking good time!
Nigel(no top)Sykes
MMC Member
Posts: 5257
Joined: Tue Mar 07, 2006 21:04
Location: Everywhere and nowhere baby

Re: Brake Cylinder Rebuild

Post by Nigel(no top)Sykes »

I put a new one in
Come on summer
User avatar
Doug G
MMC Member
Posts: 5096
Joined: Sun Sep 17, 2006 14:44
Location: Caribbean

Re: Brake Cylinder Rebuild

Post by Doug G »

Good move.
Having a moking good time!
Post Reply

Return to “Steering/Suspension/Brakes/Wheels/Tyres”