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  View original topic: Master Cylinder Rebuild
VDubMattStuart Fri Jan 20, 2006 1:05 pm

I want to know if the bore on a 53-57 single cell brake master cylinder is the same size as a 53 and down master cylinder? Basically, I want to know if I can rebuild my split style master cylinder (has the aluminum resevior on top, not under the hood) using the internals from a later oval master cylinder?

I have already have rebuilt mine once using a kit from Rebies Auto parts, but I don't think it fit quite right or something.I am hoping it will be a better fit using the later oval style MS. I'm 100% sure I reassembled the MS correctly, but while bleeding the brakes it failed and pumped fluid into the car and onto the floor :evil: :cry: I definatley felt something give away in the MS before this happened. I'm in the process of pulling it out and disassembling it right now...

VDubMattStuart Fri Jan 20, 2006 8:05 pm

I called WilfsburgWest and no is the answer to my question just in case anyone every queries the forum for the same question.

I went ahead and ordered a bus single cell Master Cylinder so that I can safely have the brakes working correctly and keep the top mount resevior. I was told however to go with the $28 Brazilian MS over the $120 German MS because they have had a few fail and "German Hydraulics Suck". Is this true? I took his word for it but it seems contrary to everything I know=

German>Brazilian

:?:

KAMAX Sat Jan 21, 2006 1:20 am

The original size and style of MS is still available from ATE.
It's 19mm MS With a plastic reservor on top of it. Not the bus ones... but 356 porsche ones.
Here are the ATE codes :
03.3119-0211.3 / 010258

Will be safer and maybe end up at the same price than rebuilting yours.
Regards.
Alex

VDubMattStuart Sun Jan 22, 2006 10:42 am

Hey, Thanks Alex. Those numbers will help and indeed it will be piece of mind to have a new one. I'll check it out.

Matt



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