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An update on my master cylinder issue. I dug out the original master
cylinder that came with the car and I tore it apart and compared it to the
cheap replacement I bought a couple of years ago. All of the internals
look to be the same except for the piston. The original piston has a very
deep depression where the push rod fits and the cheap replacement has a
very shallow depression. I did some more searching and found a discussion
on the SAOCA website (
http://forum.sunbeamalpine.org/index.php?threads/brake-master-cylinder-issu=
e.25568/
) that describes exactly what I am seeing. I'm betting that the master
cylinder I bought is either for an older Alpine or some other British car.
I have a new one on order from Sunbeam Specialties.
Thanks,
Joe Brown
On Thu, Jun 24, 2021 at 3:48 PM Joe Brown <jbbrown1980@gmail.com> wrote:
> I should clarify. I had the brake locking problem before I replaced or
> rebuilt everything. And I still have the same problem. Could it be
> something with the master cylinder?
>
> Thanks,
> Joe
>
> On Thu, Jun 24, 2021 at 3:45 PM Joe Brown <jbbrown1980@gmail.com> wrote:
>
>> I have brand new rubber hoses that I got from Sunbeam Specialties last
>> week.
>>
>> On Thu, Jun 24, 2021 at 3:42 PM Donald Antilla <fast427@sbcglobal.net>
>> wrote:
>>
>>> I had this problem on two different cars. The cause was old flexible
>>> hydraulic hoses that had deteriorated inside.
>>> I changed them and the problem was resolved.
>>>
>>> From Don's iPhone 203-592-8427
>>> Or 203-264-8301 home
>>>
>>> > On Jun 24, 2021, at 4:39 PM, Joe Brown via Tigers <
>>> tigers@autox.team.net> wrote:
>>> >
>>> > =EF=BB=BF
>>> > Hey,
>>> >
>>> > I'm scratching my head over an issue I'm having with my brakes. This
>>> actually started last year and I'm just now trying to sort it out.
>>> >
>>> > Basically, after pumping the brake pedal a few times the front brakes
>>> lock up (only the fronts). If I crack open either bleed screw they fre=
e
>>> up. In fact, cracking open the line anywhere going back to the master
>>> cylinder frees up the brakes.
>>> >
>>> > I have bypassed the booster, replaced all of the rubber lines and
>>> rebuilt the calipers. This seems to leave the master cylinder. I
>>> disconnected the brake line from the master cylinder and put a short li=
ne
>>> on it that feeds back into the master cylinder reservoir so I could ble=
ed
>>> any air out of it. That all seems to work okay.
>>> >
>>> > So, I'm looking for other ideas.
>>> >
>>> > Thanks,
>>> > Joe Brown
>>> > _______________________________________________
>>> >
>>> > tigers@autox.team.net
>>> >
>>> > Donate: http://www.team.net/donate.html
>>> > Archive: http://www.team.net/pipermail/tigers
>>> http://autox.team.net/archive
>>> >
>>> > Unsubscribe:
>>> http://autox.team.net/mailman/options/tigers/fast427@sbcglobal.net
>>> >
>>> >
>>>
>>>
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<div dir=3D"ltr">An update on my master cylinder issue.=C2=A0 I dug out the=
original master cylinder that came with the car and I tore it apart and co=
mpared it to the cheap replacement I bought a couple of years ago.=C2=A0 Al=
l of the internals look to be the same except for the piston.=C2=A0 The ori=
ginal piston has a very deep depression where the push rod fits and the che=
ap replacement has a very shallow depression.=C2=A0 I did some more searchi=
ng and found a discussion on the SAOCA website ( <a href=3D"http://forum.su=
nbeamalpine.org/index.php?threads/brake-master-cylinder-issue.25568/">http:=
//forum.sunbeamalpine.org/index.php?threads/brake-master-cylinder-issue.255=
68/</a> ) that describes exactly what I am seeing.=C2=A0 I'm betting th=
at the master cylinder I bought is either for an older Alpine or some other=
British car.=C2=A0 I have a new one on order from Sunbeam Specialties.<div=
><br></div><div>Thanks,</div><div>Joe Brown</div></div><br><div class=3D"gm=
ail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Jun 24, 2021 at 3:=
48 PM Joe Brown <<a href=3D"mailto:jbbrown1980@gmail.com";>jbbrown1980@gm=
ail.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"=
margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-lef=
t:1ex"><div dir=3D"ltr">I should clarify.=C2=A0 I had the brake locking pro=
blem before I replaced or rebuilt everything.=C2=A0 And I still have the sa=
me problem.=C2=A0 Could it be something with the master cylinder?<div><br><=
/div><div>Thanks,</div><div>Joe</div></div><br><div class=3D"gmail_quote"><=
div dir=3D"ltr" class=3D"gmail_attr">On Thu, Jun 24, 2021 at 3:45 PM Joe Br=
own <<a href=3D"mailto:jbbrown1980@gmail.com"; target=3D"_blank">jbbrown1=
980@gmail.com</a>> wrote:<br></div><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddi=
ng-left:1ex"><div dir=3D"ltr">I have brand new rubber hoses that I got from=
Sunbeam Specialties last week.</div><br><div class=3D"gmail_quote"><div di=
r=3D"ltr" class=3D"gmail_attr">On Thu, Jun 24, 2021 at 3:42 PM Donald Antil=
la <<a href=3D"mailto:fast427@sbcglobal.net"; target=3D"_blank">fast427@s=
bcglobal.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote" styl=
e=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);paddin=
g-left:1ex">I had this problem on two different cars. The cause was old fle=
xible hydraulic hoses that had deteriorated inside. <br>
I changed them and the problem was resolved. <br>
<br>
>From Don's iPhone 203-592-8427<br>
Or 203-264-8301 home<br>
<br>
> On Jun 24, 2021, at 4:39 PM, Joe Brown via Tigers <<a href=3D"mailt=
o:tigers@autox.team.net" target=3D"_blank">tigers@autox.team.net</a>> wr=
ote:<br>
> <br>
> =EF=BB=BF<br>
> Hey,<br>
> <br>
> I'm scratching my head over an issue I'm having with my brakes=
.=C2=A0 This actually started last year and I'm just now trying to sort=
it out.<br>
> <br>
> Basically, after pumping the brake pedal a few times the front brakes =
lock up (only the fronts).=C2=A0 If I crack open either bleed screw they fr=
ee up.=C2=A0 In fact, cracking open the line anywhere going back to the mas=
ter cylinder frees up the brakes.<br>
> <br>
> I have bypassed the booster, replaced all of the rubber lines and rebu=
ilt the calipers.=C2=A0 This seems to leave the master cylinder.=C2=A0 I di=
sconnected the brake line from the master cylinder and put a short line on =
it that feeds back into the master cylinder reservoir so I could bleed any =
air out of it.=C2=A0 That all seems to work okay.<br>
> <br>
> So, I'm looking for other ideas.=C2=A0 <br>
> <br>
> Thanks,<br>
> Joe Brown <br>
> _______________________________________________<br>
> <br>
> <a href=3D"mailto:tigers@autox.team.net"; target=3D"_blank">tigers@auto=
x.team.net</a><br>
> <br>
> Donate: <a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer"=
target=3D"_blank">http://www.team.net/donate.html</a><br>
> Archive: <a href=3D"http://www.team.net/pipermail/tigers"; rel=3D"noref=
errer" target=3D"_blank">http://www.team.net/pipermail/tigers</a> <a href=
=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=3D"_blank">htt=
p://autox.team.net/archive</a><br>
> <br>
> Unsubscribe: <a href=3D"http://autox.team.net/mailman/options/tigers/f=
ast427@sbcglobal.net" rel=3D"noreferrer" target=3D"_blank">http://autox.tea=
m.net/mailman/options/tigers/fast427@sbcglobal.net</a><br>
> <br>
> <br>
<br>
</blockquote></div>
</blockquote></div>
</blockquote></div>
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