Has anyone ever heard of someone installing a
non-Sunbeam master cylinder. Seems like a dual
resevoir would be somthing someone has tried.
Jason
--- Jarrid Gross <JGross@econolite.com> wrote:
> Here is something to ponder that I have seen before
> on alpines.
>
> The master cylinder requires that the reservior feed
> hole be
> uncovered by the piston when the brake is not
> pressed.
> If it is not fully un-covered, the pressure doesnt
> relieve
> itself in the high pressure circuits (IE brake
> lines).
> This anomily is an exact fit to explain your woes.
> Ive heard of catastrophic brake seisure becuase of
> such
> a condition.
>
> Ive seen cases where the wrong MC, or too long of MC
> actuator rod, or the MC spacer has been removed
> without
> consideration for the detail that I have just
> mentioned.
>
>
> Jarrid Gross
>
> -----Original Message-----
> From: owner-alpines@autox.team.net
> [mailto:owner-alpines@autox.team.net]On Behalf Of
> Ian Spencer
> Sent: Sunday, November 11, 2001 1:32 PM
> To: Al Adams
> Cc: alpines@autox.team.net
> Subject: Re: Brakes binding and overheating.
>
>
> Sounds like you still have air in the line. It can
> be very tough to get all
> the air out after a complete rebuild when all the
> lines have been drained.
>
> Al Adams wrote:
>
> > Many thanks to everyone who responded to my brake
> problem.
> >
> > Jan's suggestion that the replacement MC may not
> match the original
> > seems to be answer. I removed the new MC and took
> it apart to inspect
> > the "innards" and compare them to the original MC
> that I had replaced.
> > There were a few of the same parts, but most of
> them were different.
> > The outside measurements of the unit itself were
> not the same, either.
> >
> > I reinstalled the original MC and took it for a
> test drive. After
> > several miles of travel and with lots of extra
> brake use, there was no
> > binding or overheating. Everything was
> comparatively cool when I
> > arrived home. Although I've rebuilt the original
> MC and the bore looked
> > good at rebuild, I still have to pump the brakes
> to get them to hold.
> > I guess I'll need to have it resleeved and try to
> use it. At $120 each,
> > I can't afford to keep buying new MCs until I find
> one that works.
> >
> > >From some of the responses I received, it looks
> like the car should be
> > fitted with a brake servo, but it isn't. Should
> I try to locate one?
> > Are they really needed? Could the absence of the
> servo have anything to
> > do with the problem of having to pump the brakes
> with the original,
> > rebuilt MC? Suggestions on vendors for resleeving
> the MC?
> >
> > It looks like the solution created more questions.
> Thanks again to
> > everyone.
> >
> > Al Adams
> > Brandon, MS
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