Subject: Re: [Fot] Brakes

From: Tony Drews <[email-masked]> mail.com>
Date: Fri, 12 Aug 2016 14:37:11 -0500

Certainly the issue is the front calipers not 
releasing properly, getting hot and boiling the brake fluid.

If the master cylinder isn't fully released, it 
will keep pressure on the caliper.  I had a 
rubber brake link in my Miata collapse internally 
and cause this issue for a single caliper.

I can't help you with the cause of the sticking, 
but certainly it sounds like the master cylinder 
didn't fully release either due to an internal issue or a linkage issue.

Regards, Tony Drews

At 07:07 AM 8/12/2016, McKearn McKearn wrote:
>HI all.
>Â Â  Yesterday while driving the GT6 home from 
>work I took the ramp off the Interstate rather 
>briskly (as usual) and when I got to the end of 
>the ramp and tried to stop I was a bit surprised 
>to find out that I had no brakes. Luckily there 
>were no other cars in sight and I cruised 
>through the stop sign unnoticed.Â  I then tested 
>the brakes gently Â and was able to get them to 
>work. After decidingÂ it was somewhat safe to 
>proceed I drove up the road only to have the 
>front brakes grab and not release. I pulled over 
>to find smoking blue front rotors. When I opened 
>the hoodÂ and looked around a bitÂ I heard a 
>CLICK and saw the front master cylinder move and 
>the brakes released.Â Could this just be a 
>simple matter of one of the master cylinders 
>getting some corrosion inside and 
>sticking?Â  This car has a double master 
>cylinder setupÂ  like many racecars have with 
>willwood cylinders and a balance bar.Â Â  It has 
>been working flawlessly for several years but 
>has been parked a lot this summer and not really driven much at all lately.
>Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 
>Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â  P.J.
>Â
>_______________________________________________
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---

From: Bill Babcock <[email-masked]>
Date: Fri, 12 Aug 2016 12:49:25 -0700

More likely the balance bar caught on something. I’ve had it happen on Peyote. 
> On Aug 12, 2016, at 5:07 AM, McKearn McKearn <[email-masked]> wrote:
> 
> HI all.
>    Yesterday while driving the GT6 home from work I took the ramp off the Interstate rather briskly (as usual) and when I got to the end of the ramp and tried to stop I was a bit surprised to find out that I had no brakes. Luckily there were no other cars in sight and I cruised through the stop sign unnoticed.  I then tested the brakes gently  and was able to get them to work. After deciding it was somewhat safe to proceed I drove up the road only to have the front brakes grab and not release. I pulled over to find smoking blue front rotors. When I opened the hood and looked around a bit I heard a CLICK and saw the front master cylinder move and the brakes released. Could this just be a simple matter of one of the master cylinders getting some corrosion inside and sticking?  This car has a double master cylinder setup  like many racecars have with willwood cylinders and a balance bar.   It has been working flawlessly for several years but has been parked a lot this summer and not really driven much at all lately.
>                                                       P.J.
>  
> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/[email-masked]
> 
> 

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From: "Jim Gray" <[email-masked]>
Date: Fri, 12 Aug 2016 16:11:19 -0600

This is a multipart message in MIME format.

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I=E2=80=99d look for a linkage bind before you take things apart. I use =
Wilwoods too but never had one stick. Make sure the bias bar =
isn=E2=80=99t catching on anything.

If you roasted the rotors then most likely baked the rubber boots on the =
pistons too and possibly o-rings=E2=80=A6fried.

jg

=20

=20

From: Fot [mailto:[email-masked]] On Behalf Of McKearn =
McKearn
Sent: Friday, August 12, 2016 6:08 AM
To: FOT list <[email-masked]>
Subject: [Fot] Brakes

=20

HI all.

   Yesterday while driving the GT6 home from work I took the ramp off =
the Interstate rather briskly (as usual) and when I got to the end of =
the ramp and tried to stop I was a bit surprised to find out that I had =
no brakes. Luckily there were no other cars in sight and I cruised =
through the stop sign unnoticed.  I then tested the brakes gently  and =
was able to get them to work. After deciding it was somewhat safe to =
proceed I drove up the road only to have the front brakes grab and not =
release. I pulled over to find smoking blue front rotors. When I opened =
the hood and looked around a bit I heard a CLICK and saw the front =
master cylinder move and the brakes released. Could this just be a =
simple matter of one of the master cylinders getting some corrosion =
inside and sticking?  This car has a double master cylinder setup  like =
many racecars have with willwood cylinders and a balance bar.   It has =
been working flawlessly for several years but has been parked a lot this =
summer and not really driven much at all lately.=20

                                                      P.J.

=20

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<o:idmap v:ext=3D"edit" data=3D"1" />
</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US =
link=3D"#0563C1" vlink=3D"#954F72"><div class=3DWordSection1><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>I=E2=80=99d =
look for a linkage bind before you take things apart. I use Wilwoods too =
but never had one stick. Make sure the bias bar isn=E2=80=99t catching =
on anything.<o:p></o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>If you =
roasted the rotors then most likely baked the rubber boots on the =
pistons too and possibly o-rings=E2=80=A6fried.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>jg<o:p></o:p>=
</span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p>&nbsp;</=
o:p></span></p><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Fot [mailto:[email-masked]] <b>On Behalf Of </b>McKearn =
McKearn<br><b>Sent:</b> Friday, August 12, 2016 6:08 AM<br><b>To:</b> =
FOT list &lt;[email-masked]&gt;<br><b>Subject:</b> [Fot] =
Brakes<o:p></o:p></span></p><p =
class=3DMsoNormal><o:p>&nbsp;</o:p></p><div><div><p class=3DMsoNormal>HI =
all.<o:p></o:p></p></div><div><p class=3DMsoNormal>&nbsp;&nbsp; =
Yesterday while driving the GT6 home from work I took the ramp off the =
Interstate rather briskly (as usual) and when I got to the end of the =
ramp and tried to stop I was a bit surprised to find out that I had no =
brakes. Luckily there were no other cars in sight and I cruised through =
the stop sign unnoticed.&nbsp; I then tested the brakes gently &nbsp;and =
was able to get them to work. After deciding&nbsp;it was somewhat safe =
to proceed I drove up the road only to have the front brakes grab and =
not release. I pulled over to find smoking blue front rotors. When I =
opened the hood&nbsp;and looked around a bit&nbsp;I heard a CLICK and =
saw the front master cylinder move and the brakes released.&nbsp;Could =
this just be a simple matter of one of the master cylinders getting some =
corrosion inside and sticking?&nbsp; This car has a double master =
cylinder setup&nbsp; like many racecars have with willwood cylinders and =
a balance bar.&nbsp;&nbsp; It has been working flawlessly for several =
years but has been parked a lot this summer and not really driven much =
at all lately. <o:p></o:p></p></div><div><p =
class=3DMsoNormal>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&=
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n=
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs=
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; =
P.J.<o:p></o:p></p></div><div><p =
class=3DMsoNormal>&nbsp;<o:p></o:p></p></div></div></div></body></html>
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From: John Styduhar <[email-masked]>
Date: Sat, 13 Aug 2016 16:28:44 -0400

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Sounds like the master cylinder bore is corroded and hanging up the piston.
If it is, I would ditch the aftermarket brake setup and return to OEM.

On Fri, Aug 12, 2016 at 3:37 PM, Tony Drews <[email-masked]> wrote:

> Certainly the issue is the front calipers not releasing properly, getting
> hot and boiling the brake fluid.
>
> If the master cylinder isn't fully released, it will keep pressure on the
> caliper.  I had a rubber brake link in my Miata collapse internally and
> cause this issue for a single caliper.
>
> I can't help you with the cause of the sticking, but certainly it sounds
> like the master cylinder didn't fully release either due to an internal
> issue or a linkage issue.
>
> Regards, Tony Drews
>
>> =C3=82 =C3=82  Yesterday while driving the GT6 home from work I took the=
 ramp off
>> the Interstate rather briskly (as usual) and when I got to the end of th=
e
>> ramp and tried to stop I was a bit surprised to find out that I had no
the
>> stop sign unnoticed.=C3=82  I then tested the brakes gently =C3=82 and w=
as able to
>> get them to work. After deciding=C3=82 it was somewhat safe to proceed I=
 drove
>> up the road only to have the front brakes grab and not release. I pulled
>> over to find smoking blue front rotors. When I opened the hood=C3=82 and=
 looked
>> around a bit=C3=82 I heard a CLICK and saw the front master cylinder mov=
e and
>> the brakes released.=C3=82 Could this just be a simple matter of one of =
the
>> master cylinders getting some corrosion inside and sticking?=C3=82  This=
 car has
>> a double master cylinder setup=C3=82  like many racecars have with willw=
ood
>> cylinders and a balance bar.=C3=82 =C3=82  It has been working flawlessl=
y for several
>> years but has been parked a lot this summer and not really driven much a=
t
>> all lately.
>> =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=
=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82
>> =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82  P.J.
>> =C3=82
>> Unsubscribe/Manage: http://autox.team.net/mailman/
>> options/fot/[email-masked]
>>
>
>
> Unsubscribe/Manage: http://autox.team.net/mailman/
> options/fot/[email-masked]
>
>
>

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-size:small">Sou=
nds like the master cylinder bore is corroded and hanging up the piston. If=
 it is, I would ditch the aftermarket brake setup and return to OEM.</div><=
/div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Fri, Aug =
12, 2016 at 3:37 PM, Tony Drews <span dir=3D"ltr">&lt;<a href=3D"mailto:ton=
[email-masked]" target=3D"_blank">[email-masked]</a>&gt;</span> wrote:=
<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-lef=
t:1px #ccc solid;padding-left:1ex">Certainly the issue is the front caliper=
s not releasing properly, getting hot and boiling the brake fluid.<br>
<br>
If the master cylinder isn&#39;t fully released, it will keep pressure on t=
he caliper.=C2=A0 I had a rubber brake link in my Miata collapse internally=
 and cause this issue for a single caliper.<br>
<br>
I can&#39;t help you with the cause of the sticking, but certainly it sound=
s like the master cylinder didn&#39;t fully release either due to an intern=
al issue or a linkage issue.<br>
<br>
Regards, Tony Drews<br>
<br>
At 07:07 AM 8/12/2016, McKearn McKearn wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
HI all.<br>
=C3=82 =C3=82=C2=A0 Yesterday while driving the GT6 home from work I took t=
he ramp off the Interstate rather briskly (as usual) and when I got to the =
end of the ramp and tried to stop I was a bit surprised to find out that I =
had no brakes. Luckily there were no other cars in sight and I cruised thro=
ugh the stop sign unnoticed.=C3=82=C2=A0 I then tested the brakes gently =
=C3=82 and was able to get them to work. After deciding=C3=82 it was somewh=
at safe to proceed I drove up the road only to have the front brakes grab a=
nd not release. I pulled over to find smoking blue front rotors. When I ope=
ned the hood=C3=82 and looked around a bit=C3=82 I heard a CLICK and saw th=
e front master cylinder move and the brakes released.=C3=82 Could this just=
 be a simple matter of one of the master cylinders getting some corrosion i=
nside and sticking?=C3=82=C2=A0 This car has a double master cylinder setup=
=C3=82=C2=A0 like many racecars have with willwood cylinders and a balance =
bar.=C3=82 =C3=82=C2=A0 It has been working flawlessly for several years bu=
t has been parked a lot this summer and not really driven much at all latel=
y.<br>
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=
=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=
=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =
=C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=82 =C3=
=82=C2=A0 P.J.<br>
=C3=82<br>
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