Subject: [Healeys] clutch slave cylinder

From: Ed O'Neal <[email-masked]>
Date: Thu, 14 Apr 2016 21:14:59 +0000

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Gents,

About 15K miles ago I replaced the clutch (1960 BT7) and put in a new throw=
 out bearing.  Recently I heard the dreaded metal-on-metal sound when depre=
ssing the clutch peddle.  Upon removing the trans, I found the throw out be=
aring completely worn down to the steel casting - hence the metal-on-metal =
sound.  On reassembly, I noted that the clutch slave cylinder put constant =
thrust on the push rod keeping the bearing in contact with the pressure pla=
te release arms.  Obviously this is what caused the throw out bearing to wa=
re out so fast.  I replaced the master cylinder and blead the system extens=
ively - absolutely no air in the system.  Yet the slave cylinder continues =
to press the throw out bearing into the pressure plate.  Any ideas as to wh=
y this is happening????

Ed O'Neal

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<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ar=
ial&quot;,&quot;sans-serif&quot;">Gents,<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ar=
ial&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ar=
ial&quot;,&quot;sans-serif&quot;">About 15K miles ago I replaced the clutch=
 (1960 BT7) and put in a new throw out bearing.&nbsp; Recently I heard the =
dreaded metal-on-metal sound when depressing the clutch peddle.&nbsp;
 Upon removing the trans, I found the throw out bearing completely worn dow=
n to the steel casting &#8211; hence the metal-on-metal sound.&nbsp; On rea=
ssembly, I noted that the clutch slave cylinder put constant thrust on the =
push rod keeping the bearing in contact with
 the pressure plate release arms.&nbsp; Obviously this is what caused the t=
hrow out bearing to ware out so fast.&nbsp; I replaced the master cylinder =
and blead the system extensively &#8211; absolutely no air in the system.&n=
bsp; Yet the slave cylinder continues to press the throw
 out bearing into the pressure plate.&nbsp; Any ideas as to why this is hap=
pening????<o:p></o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ar=
ial&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:&quot;Ar=
ial&quot;,&quot;sans-serif&quot;">Ed O&#8217;Neal<o:p></o:p></span></p>
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ial&quot;,&quot;sans-serif&quot;"><o:p>&nbsp;</o:p></span></p>
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