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Re: [6pack] Bad brake master cylinders

To: "TR6" <6pack@autox.team.net>
Subject: Re: [6pack] Bad brake master cylinders
From: dave--- via 6pack <6pack@autox.team.net>
Date: Sat, 21 Sep 2019 16:06:53 -0700 GNy51+11QboIdPt0+GeTXaCQoPLfd4txsPBH4ckGZEtl1B+sD7RJmdXA3lRHyGXciSWdIZHlUW0yeec7a4ljppL5/eWHlZqvIQo=
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<html><body><span style=3D"font-family:Verdana; color:#000; font-size:10pt;=
"><div>the reason that manufacturers say that dot 5 voids the warranty, acc=
ording to a source of mine at Moss, has to do with legal liability.&nbsp; i=
f you mix dot 3/4 and dot 5, the results are not good.&nbsp; by stating thi=
s warranty void, Moss, and other companies are trying to stay out of court.=
&nbsp; it has nothing to with compatibility or some property of Dot 5 that =
causes an issue.&nbsp;&nbsp;</div><div><br></div><div><br></div>=0A<blockqu=
ote id=3D"replyBlockquote" webmail=3D"1" style=3D"border-left: 2px solid bl=
ue; margin-left: 8px; padding-left: 8px; font-size:10pt; color:black; font-=
family:verdana;">=0A<div id=3D"wmQuoteWrapper">=0A-------- Original Message=
 --------<br>=0ASubject: Re: [6pack] Bad brake master cylinders<br>=0AFrom:=
 John Cyganowski via 6pack &lt;<a href=3D"mailto:6pack@autox.team.net";>6pac=
k@autox.team.net</a>&gt;<br>=0ADate: Sat, September 21, 2019 5:08 pm<br>=0A=
To: TR6 &lt;<a href=3D"mailto:6pack@autox.team.net";>6pack@autox.team.net</a=
>&gt;<br>=0A<br>=0A<div class=3D"yahoo-style-wrap" style=3D"font-family:Hel=
vetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><span style=3D"f=
ont-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-=
size: 16px;">There are a number of master cylinders on the market. TRW/Gurl=
ing are the OEM choice. They cost more but usually the quality is better. T=
here are aftermarket master cylinders usually made in China or India. These=
 can work but out of the box failures have been reported. These are usually=
 lower cost. But there is a risk associated with them. I think (no evidence=
) that If you put one in and it works then it is no worse than any other. &=
nbsp; Moss sells those gold grade cylinders. These are at a premium price a=
nd are supposed to be higher quality. However, when the product was new the=
y had some out of the box failures. I have not heard of anymore OOB failure=
s with the gold grade. Moss is a large company and if there was an issue, I=
 am sure they would have corrected it.&nbsp;</span><br><div><span style=3D"=
font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font=
-size: 16px;"><br></span></div><div><span style=3D"font-family: &quot;Helve=
tica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16px;">The diffic=
ulty in all of this is I am not aware of the circumstances of these failure=
s or even if they were real failures due to a quality issue rather than mis=
-use or poor installation by the owner.&nbsp;</span></div><div><span style=
=3D"font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; =
font-size: 16px;"><br></span></div><div><span style=3D"font-family: &quot;H=
elvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16px;">It is =
important to Bench Bleed these assemblies. See YouTube or your service manu=
al or the Haynes book (IMHO the Chilton books are worthless - sorry). Bench=
 bleeding can be done in the car. See <a href=3D"http://www.bullfire.net";>w=
ww.bullfire.net</a></span></div><div><span style=3D"font-family: &quot;Helv=
etica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16px;"><br></spa=
n></div><div><span style=3D"font-family: &quot;Helvetica Neue&quot;, Helvet=
ica, Arial, sans-serif; font-size: 16px;">Then there is the fluid. DOT 3 an=
d DOT 4 cause the elastomers to swell. Eventually the elastomers will fail =
but frequent use of the car seems to extend the life of the seals. I think =
changing out the fluid every 2 years or so is a good thing / helps avoid wa=
ter in your brake lines. DOT 5 is controversial because the manufacturers i=
nclude box inserts that say if you use DOT 5 it voids their warranty. They =
don=E2=80=99t say that DOT 5 is incompatible. They just won=E2=80=99t suppo=
rt it. I will use DOT 5 because my car is newly restored and painted and I =
don=E2=80=99t want paint damage if the cylinder leaks. YMMV.&nbsp;</span></=
div><div><span style=3D"font-family: &quot;Helvetica Neue&quot;, Helvetica,=
 Arial, sans-serif; font-size: 16px;"><br></span></div><div><span style=3D"=
font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font=
-size: 16px;">Good luck and I hope this was useful.&nbsp;</span></div><div>=
<span style=3D"font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, s=
ans-serif; font-size: 16px;"><br></span></div><div><span style=3D"font-fami=
ly: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16=
px;">John Cyg</span></div><div><span style=3D"font-family: &quot;Helvetica =
Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16px;">70 Damson</span=
></div><div><span style=3D"font-family: &quot;Helvetica Neue&quot;, Helveti=
ca, Arial, sans-serif; font-size: 16px;">CC52927LO&nbsp;</span></div><div><=
span style=3D"font-family: &quot;Helvetica Neue&quot;, Helvetica, Arial, sa=
ns-serif; font-size: 16px;"><br></span></div><div><span style=3D"font-famil=
y: &quot;Helvetica Neue&quot;, Helvetica, Arial, sans-serif; font-size: 16p=
x;"><br></span></div></div><hr>____________________________________________=
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