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Re: [Healeys] Brake issue

To: Michael Salter <michaelsalter@gmail.com>
Subject: Re: [Healeys] Brake issue
From: Michael Oritt <michael.oritt@gmail.com>
Date: Sun, 28 Jul 2019 12:09:01 -0400
Cc: Austin Healey <healeys@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <337002644.7807601.1564321343380.ref@mail.yahoo.com> <337002644.7807601.1564321343380@mail.yahoo.com> <CAB3i7LJ0VuwdCYEW6MFuefBPCinP-u=Xw-Nt=Pko49XjPi2v1g@mail.gmail.com>
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Michael--

Do you remember the issue and/or can you point me toward it and its
possible resolution?

Best--Michael Oritt

On Sun, Jul 28, 2019 at 10:11 AM Michael Salter <michaelsalter@gmail.com>
wrote:

> Regarding pushrod free play.
> Unfortunately the known problem with 100 master cylinders is internal to
> the cylinder itself and is not resolved by ensuring that the push rod has
> free play.
> Roger Moment wrote an excellent, and of course exhaustive,  article on th=
e
> subject many years back after he encountered difficulties when using
> silicon fluid.
>
> M
>
> On Sun, Jul 28, 2019, 9:42 AM warthodson--- via Healeys, <
> healeys@autox.team.net> wrote:
>
>> I still suspect the lack of proper free play in the brake pedal & this i=
s
>> the easiest to check. Simply adjust the free play, temporarily, such tha=
t
>> there is excessive free play & go for a test drive.
>> Gary H
>>
>>
>> -----Original Message-----
>> From: Michael Oritt <michael.oritt@gmail.com>
>> To: Kees Oudesluijs <coudesluijs@chello.nl>
>>
>> Kees--
>>
>> That is about the procedure I envisioned following.
>>
>> Since there has never been any pulling to one side I doubt the failure i=
s
>> at one particular corner, but the hoses are at least 15 years old and
>> deserve replacement.  I replaced the MC innards with a kit a year or so =
ago
>> but will go through it again and replace as necessary.  I'll also flush =
the
>> system thoroughly.
>>
>> Best--Michael Oritt
>>
>> On Sun, Jul 28, 2019 at 8:39 AM Kees Oudesluijs <coudesluijs@chello.nl>
>> wrote:
>>
>> Go through each component one by one. Start with new brake hoses if they
>> are still the old fashioned rubber/textile construction. How old are the=
y
>> by the way? Probably decades so renewal was probably well overdue. Also
>> flush the entire brake system with fresh brake fluid as there may be som=
e
>> debris in it somewhere.  Try again and if solved it may well have been
>> collapsed inner wall of one or both of the tubes. If not solved adjust t=
he
>> rod on the MBC. Still not solved, renew or overhaul the MBC and adjust t=
he
>> rod.
>> When rebuilding brake components do NOT use clean brake fluid but the
>> special brake grease from At=C3=A9, Girling or equivalent.
>> Overheating is unlikely as that will generally lead to complete loss of
>> brakes.
>> Kees Oudesluijs
>>
>>
>>
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>>
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>>
>>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"color:#3333ff">Micha=
el--</div><div class=3D"gmail_default" style=3D"color:#3333ff"><br></div><d=
iv class=3D"gmail_default" style=3D"color:#3333ff">Do you remember the issu=
e and/or can you point me toward it and its possible resolution?</div><div =
class=3D"gmail_default" style=3D"color:#3333ff"><br></div><div class=3D"gma=
il_default" style=3D"color:#3333ff">Best--Michael Oritt</div></div><br><div=
 class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jul 28=
, 2019 at 10:11 AM Michael Salter &lt;<a href=3D"mailto:michaelsalter@gmail=
.com">michaelsalter@gmail.com</a>&gt; wrote:<br></div><blockquote class=3D"=
gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(20=
4,204,204);padding-left:1ex"><div dir=3D"auto">Regarding pushrod free play.=
<div dir=3D"auto">Unfortunately the known problem with 100 master cylinders=
 is internal to the cylinder itself and is not resolved by ensuring that th=
e push rod has free play.</div><div dir=3D"auto">Roger Moment wrote an exce=
llent, and of course exhaustive,=C2=A0 article on the subject many years ba=
ck after he encountered difficulties when using silicon fluid.=C2=A0</div><=
div dir=3D"auto"><br></div><div dir=3D"auto">M</div></div><br><div class=3D=
"gmail_quote"><div dir=3D"ltr" class=3D"gmail_attr">On Sun, Jul 28, 2019, 9=
:42 AM warthodson--- via Healeys, &lt;<a href=3D"mailto:healeys@autox.team.=
net" target=3D"_blank">healeys@autox.team.net</a>&gt; wrote:<br></div><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:=
1px solid rgb(204,204,204);padding-left:1ex">
<div style=3D"color:black;font:10pt arial">
<div>I still suspect the lack of proper free play in the brake pedal &amp; =
this is the easiest to check. Simply adjust the free play, temporarily, suc=
h that there is excessive free play &amp; go for a test drive.=C2=A0</div>

<div>Gary H</div>
<br>
<br>

<div style=3D"font-family:arial,helvetica;font-size:10pt;color:black">-----=
Original Message-----<br>
From: Michael Oritt &lt;<a href=3D"mailto:michael.oritt@gmail.com"; rel=3D"n=
oreferrer" target=3D"_blank">michael.oritt@gmail.com</a>&gt;<br>
To: Kees Oudesluijs &lt;<a href=3D"mailto:coudesluijs@chello.nl"; rel=3D"nor=
eferrer" target=3D"_blank">coudesluijs@chello.nl</a>&gt;<br>
<br>

<div id=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv1957992266">
<div>
<div dir=3D"ltr">
<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)">Kees--</div>

<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)"><br clear=3D"none"></div>

<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)">That is about the procedure =
I envisioned following.=C2=A0=C2=A0</div>

<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)"><br clear=3D"none"></div>

<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)">Since there has never been a=
ny pulling to one side I doubt the failure is at one particular corner, but=
 the hoses are at least 15 years old and deserve replacement.=C2=A0 I repla=
ced the MC innards with a kit a year or so ago but will go through it again=
 and replace as necessary.=C2=A0 I&#39;ll also flush the system thoroughly.=
</div>

<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)"><br clear=3D"none"></div>

<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_default" style=3D"color:rgb(51,51,255)">Best--Michael Oritt</div>
</div>
<br clear=3D"none">
<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_quote">
<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6yqt9413654283" id=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv1=
957992266yqt66723">
<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail_attr" dir=3D"ltr">On Sun, Jul 28, 2019 at 8:39 AM Kees Oudesluijs &l=
t;<a href=3D"mailto:coudesluijs@chello.nl"; rel=3D"noopener noreferrer noref=
errer" shape=3D"rect" target=3D"_blank">coudesluijs@chello.nl</a>&gt; wrote=
:<br clear=3D"none"></div>
<blockquote class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv19=
57992266gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px soli=
d rgb(204,204,204);padding-left:1ex">
 =20
   =20
 =20
 =20
<div>
   =20
<div>Go through each component one by one. Start with new brake hoses
      if they are still the old fashioned rubber/textile construction.
      How old are they by the way? Probably decades so renewal was
      probably well overdue. Also flush the entire brake system with
      fresh brake fluid as there may be some debris in it somewhere.=C2=A0
      Try again and if solved it may well have been collapsed inner wall
      of one or both of the tubes. If not solved adjust the rod on the
      MBC. Still not solved, renew or overhaul the MBC and adjust the
      rod. <br clear=3D"none">
    </div>

   =20
<div>When rebuilding brake components do NOT use clean brake fluid but
      the special brake grease from At=C3=A9, Girling or equivalent.<br cle=
ar=3D"none">
    </div>

   =20
<div>Overheating is unlikely as that will generally lead to complete
      loss of brakes.</div>

   =20
<div>Kees Oudesluijs</div>

   =20
<div><br clear=3D"none">
    </div>

   =20
<div><br clear=3D"none">
    </div>

   =20
<div class=3D"gmail-m_7113786730106686978m_-8915207665016150380yiv195799226=
6gmail-m_2419550027455819460moz-cite-prefix"><br clear=3D"none"></div>
</div>
</blockquote></div>
</div>
</div>
</div>
</div>
</div>
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</blockquote></div>
</blockquote></div>

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