Re: [TR] DOT 5 Brake Fluid

[DAVID MASSEY <dave1massey@cs.com>]

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 While it is true that DOT5 entraps air easily it also will give it up fair=
ly quickly.=C2=A0 They use it in vacuum pumps for that reason.=C2=A0 The tr=
ick I use is I will top up the reservoir and wait before I bleed.=C2=A0 A d=
ay if I can.=C2=A0 This allows any air to percolate out before it gets into=
 the closed system.
=20
Dave=20


=20
=20
-----Original Message-----
From: baltoalpine@gmail.com
To: triumphs@autox.team.net
Sent: Sun, Apr 30, 2023 2:32 pm
Subject: Re: [TR] DOT 5 Brake Fluid

I use DOT 5 in all of my LBC's for the same reasons Glenn gave.=C2=A0=20

I know some folks complain that it can be hard to bleed the brakes with DOT
5 though. This is because while it isn't hygroscopic, it does collect air.
A friend showed me a jar of new from the bottle DOT 5. He put it in a glass
bell jar and pulled a vacuum on it. We watched it look like it was boiling
as the air came out of suspension.=C2=A0 If you don't have that kind of equ=
ipment
(I don't) just treat the DOT 5 containers gently, and pour slowly into the
master cylinder.

Joe McConlogue
'57 TR3, awaiting new rear seal
'74 Spit, awaiting engine overhaul
'56 MGA, in late stage restoration
'67 Alpine, laid up for a water pump

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Archive: http://www.team.net/pipermail/triumphs=C2=A0 http://www.team.net/a=
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sey@cs.com

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<div> <font size="3">While it is true that DOT5 entraps air easily it also will 
give it up fairly quickly.&nbsp; They use it in vacuum pumps for that 
reason.&nbsp; The trick I use is I will top up the reservoir and wait before I 
bleed.&nbsp; A day if I can.&nbsp; This allows any air to percolate out before 
it gets into the closed system.</font><br>
</div>

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<div style="color:black;font:12pt Arial, Helvetica, sans-serif;">
<div><font size="4">Dave <br>
</font></div>

<div><span style="font-size:10.0pt;font-family:sans-serif;color:black;"><br>
</span></div>
<br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font 
size="2">-----Original Message-----<br>
From: baltoalpine@gmail.com<br>
To: triumphs@autox.team.net<br>
Sent: Sun, Apr 30, 2023 2:32 pm<br>
Subject: Re: [TR] DOT 5 Brake Fluid<br>
<br>

<div dir="ltr">I use DOT 5 in all of my LBC's for the same reasons Glenn 
gave.&nbsp; <br>
</div>

<div dir="ltr"><br>
</div>

<div dir="ltr">I know some folks complain that it can be hard to bleed the 
brakes with DOT<br>
</div>

<div dir="ltr">5 though. This is because while it isn't hygroscopic, it does 
collect air.<br>
</div>

<div dir="ltr">A friend showed me a jar of new from the bottle DOT 5. He put it 
in a glass<br>
</div>

<div dir="ltr">bell jar and pulled a vacuum on it. We watched it look like it 
was boiling<br>
</div>

<div dir="ltr">as the air came out of suspension.&nbsp; If you don't have that 
kind of equipment<br>
</div>

<div dir="ltr">(I don't) just treat the DOT 5 containers gently, and pour 
slowly into the<br>
</div>

<div dir="ltr">master cylinder.<br>
</div>

<div dir="ltr"><br>
</div>

<div dir="ltr">Joe McConlogue<br>
</div>

<div dir="ltr">'57 TR3, awaiting new rear seal<br>
</div>

<div dir="ltr">'74 Spit, awaiting engine overhaul<br>
</div>

<div dir="ltr">'56 MGA, in late stage restoration<br>
</div>

<div dir="ltr">'67 Alpine, laid up for a water pump<br>
</div>

<div dir="ltr"><br>
</div>

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