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Re: [6pack] Brake MC

To: 6pack list <6pack@autox.team.net>
Subject: Re: [6pack] Brake MC
From: im sloane via 6pack <6pack@autox.team.net>
Date: Mon, 16 Sep 2019 21:46:11 +0000
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Thread-index: AQHVbMoTBZwzhXUEFk66jyBmx8ngfqcu1MRD
Thread-topic: [6pack] Brake MC
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I have heard stories about someone bleeding the breaks, (not loved LBC but =
their daily driver), after replacing a caliper or wheel cylinder, and short=
ly thereafter experienced a master cylinder failure. The reported reason wa=
s the master cylinder was being pressed into territory that it didn't trave=
l under normal conditions, and due to slight pitting or corrosion, the seal=
s in the master were compromised.  The block under the pedal is reported to=
 hopefully prevent this.  Obviously not necessary with a new master cylinde=
r.

YMMV,
Sloane
________________________________
From: 6pack <6pack-bounces@autox.team.net> on behalf of Richard Taylor via =
6pack <6pack@autox.team.net>
Sent: Monday, September 16, 2019 7:57 PM
To: 6pack list <6pack@autox.team.net>
Subject: [6pack] Brake MC

I don=92t understand the logic of limiting the travel of the brake pedal, e=
ither. While this pedal shouldn=92t have to travel even half of it stroke t=
o apply full pressure to the brakes, we wouldn=92t want to limit it should =
there be a failure in, say, half of the system. (Which would require a deep=
er pedal to make contact.

I don=92t know if it applies to this (brake) limiting of the pedal, but the=
re are some clutch operating systems that require a =93pedal stop=94 so tha=
t the throwout bearing isn=92t pushed out too far during the clutch disenga=
gement. The hydraulic bearing in the Toyota 5 speed conversion would be one=
 of them.

Dick

otmail.com


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or:rgb(0,0,0)">
I have heard stories about someone bleeding the breaks, (not loved LBC but =
their daily driver), after replacing a caliper or wheel cylinder, and short=
ly thereafter experienced a master cylinder failure. The reported reason wa=
s the master cylinder was being
 pressed into territory that it didn't travel under normal conditions, and =
due to slight pitting or corrosion, the seals in the master were compromise=
d.&nbsp; The block under the pedal is reported to hopefully prevent this.&n=
bsp; Obviously not necessary with a new master
 cylinder.&nbsp;</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt; col=
or:rgb(0,0,0)">
<br>
</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt; col=
or:rgb(0,0,0)">
YMMV,</div>
<div style=3D"font-family:Calibri,Helvetica,sans-serif; font-size:12pt; col=
or:rgb(0,0,0)">
Sloane&nbsp;</div>
<hr tabindex=3D"-1" style=3D"display:inline-block; width:98%">
<div id=3D"divRplyFwdMsg" dir=3D"ltr"><font face=3D"Calibri, sans-serif" co=
lor=3D"#000000" style=3D"font-size:11pt"><b>From:</b> 6pack &lt;6pack-bounc=
es@autox.team.net&gt; on behalf of Richard Taylor via 6pack &lt;6pack@autox=
.team.net&gt;<br>
<b>Sent:</b> Monday, September 16, 2019 7:57 PM<br>
<b>To:</b> 6pack list &lt;6pack@autox.team.net&gt;<br>
<b>Subject:</b> [6pack] Brake MC</font>
<div>&nbsp;</div>
</div>
<div class=3D"BodyFragment"><font size=3D"2"><span style=3D"font-size:11pt"=
>
<div class=3D"PlainText">I don=92t understand the logic of limiting the tra=
vel of the brake pedal, either. While this pedal shouldn=92t have to travel=
 even half of it stroke to apply full pressure to the brakes, we wouldn=92t=
 want to limit it should there be a failure
 in, say, half of the system. (Which would require a deeper pedal to make c=
ontact.
<br>
<br>
I don=92t know if it applies to this (brake) limiting of the pedal, but the=
re are some clutch operating systems that require a =93pedal stop=94 so tha=
t the throwout bearing isn=92t pushed out too far during the clutch disenga=
gement. The hydraulic bearing in the Toyota
 5 speed conversion would be one of them.<br>
<br>
Dick<br>
<br>
im_sloane@hotmail.com">
http://autox.team.net/mailman/options/6pack/im_sloane@hotmail.com</a><br>
<br>
</div>
</span></font></div>
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