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Re: [Mgs] bad clutch or?

To: PaulHunt73 <paulhunt73@virginmedia.com>, Bert Palte <palte@gmx.net>, dave <dave@ranteer.com>, mgs@autox.team.net
Subject: Re: [Mgs] bad clutch or?
From: Charley Robinson via Mgs <mgs@autox.team.net>
Date: Tue, 28 May 2019 16:21:53 -0500
Delivered-to: mharc@autox.team.net
Delivered-to: mgs@autox.team.net
References: <F8B542C8-38BD-441E-85CF-F848F283896A@mgcarclub.com> <FA53D47CDBFA40CBA9C6FA3E1DA49CFF@paul> <006501d50f39$fa9a8200$efcf8600$@ranteer.com> <2ED0BFE96C2949DABE8CDC03F49EF0E8@FrankPC> <004601d513fa$cb279ba0$6176d2e0$@ranteer.com> <0c947dc3-8efe-5128-40c0-657e829bd442@gmx.net> <703185A61FA347D4AB6E33EE4EF63C77@paul>
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Read a post by a guy on MGE who had a badly elongated pivot hole in the 
throwout arm, causing erratic clutch operation.  Claimed he welded up 
and redrilled the hole. In any event I reckon the engine would still 
have to come out.

CR
On 5/28/2019 2:43 AM, PaulHunt73 via Mgs wrote:
> 
> Unlike physical wear at the pedal linkage, similar wear at the 
> slave end has no effect on clutch operation, the hydraulic system is 
> designed to take account of all wear at the clutch end.  Remember the 
> graphite release bearing is going to wear down by a 1/4" or so over 
> the life of the clutch, and given the unequal lengths of the release 
> arm that is going to be getting on for an inch at the slave cylinder.  
> The piston simply moves out to take it up, and more fluid back-fills 
> from the reservoir.
> If it's dragging exactly the same as before, and you have about 1/2" 
> of travel of the slave push-rod, then something is binding at the 
> clutch.  Either the friction plate is very stiff on its splines, or 
> the end of the first-motion shaft is dragging badly in the pilot 
> bearing.  Could also be the release bearing breaking up and not 
> pushing evenly on the cover plate.  Time to pull the engine - much 
> easier than pulling both - on an MGB at least.
> PaulH.
>
>     ----- Original Message -----
>>
>>     Replaced the clutch hose and the slave.  Still not shifting.
>>
>>     When you push in the clutch, the lever arm on the trans moves a
>>     decent amount.  I didnâ??t measure it, but its probably ½â?? to ¾â??,
>>     something like that.
>>
>
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>
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    Read a post by a guy on MGE who had a badly elongated pivot hole in
    the throwout arm, causing erratic clutch operation.  Claimed he
    welded up and redrilled the hole. In any event I reckon the engine
    would still have to come out.  <br>
    <br>
    CR<br>
    <div class="moz-cite-prefix">On 5/28/2019 2:43 AM, PaulHunt73 via
      Mgs wrote:<br>
    </div>
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      cite="mid:703185A61FA347D4AB6E33EE4EF63C77@paul">
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      <div><font size="2">Unlike physical wear at the pedal linkage,
          similar wear at the slave end has no effect on clutch
          operation, the hydraulic system is designed to take account of
          all wear at the clutch end.  Remember the graphite release
          bearing is going to wear down by a 1/4" or so over the life of
          the clutch, and given the unequal lengths of the release arm
          that is going to be getting on for an inch at the slave
          cylinder.  The piston simply moves out to take it up, and more
          fluid back-fills from the reservoir.</font></div>
      <div> </div>
      <div><font size="2">If it's dragging exactly the same as before,
          and you have about 1/2" of travel of the slave push-rod, then
          something is binding at the clutch.  Either the friction plate
          is very stiff on its splines, or the end of the first-motion
          shaft is dragging badly in the pilot bearing.  Could also be
          the release bearing breaking up and not pushing evenly on the
          cover plate.  Time to pull the engine - much easier than
          pulling both - on an MGB at least.</font></div>
      <div> </div>
      <div><font size="2">PaulH.</font></div>
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        <div style="FONT: 10pt arial">----- Original Message ----- </div>
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                  <p class="MsoNormal">Replaced the clutch hose and the
                    slave.  Still not shifting.<o:p></o:p></p>
                  <p class="MsoNormal"><o:p></o:p></p>
                  <p class="MsoNormal">When you push in the clutch, the
                    lever arm on the trans moves a decent amount.  I
                    didnâ??t measure it, but its probably ½â?? to ¾â??,
                    something like that.  <o:p></o:p></p>
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