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Re: [GMCnet] Maintaince [message #288857 is a reply to message #288855] Fri, 16 October 2015 15:14 Go to previous messageGo to previous message
emerystora is currently offline  emerystora   United States
Messages: 4442
Registered: January 2004
Karma:
Senior Member
However the front and rear have different size fittings at the master cylinder so they cannot be reversed.

Emery Stora

> On Oct 16, 2015, at 1:38 PM, KB wrote:
>
> another theory: the lines were reversed front to rear at the master cylinder during the swap. As Albert B, Dave Lenzi,
> and others have recently demonstrated, the capacity of the piston in the master cylinder is different in the front vs rear
> (not just the reservoir, the volume available in the piston itself).
> It's possible to bottom out one half of the piston (and hence have low pressure on one half) while still having
> functional brakes on the other half. More an issue with all-disc systems, but could happen in other circumstances.
>
> Just a wild guess, which may not apply here. As JR suggested, it could also be that the rubber brake lines were changed at
> the same time and that those were the real problem. Bulging, spongy, or collapsed lines will play havoc with your brakes.
>
>
> Karen
> 1975 26'
>
>
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