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Re: [Healeys] Update on clutch woes

To: healeys@autox.team.net
Subject: Re: [Healeys] Update on clutch woes
From: Bob Spidell via Healeys <healeys@autox.team.net>
Date: Mon, 29 Nov 2021 07:32:14 -0800
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <000001d7e51d$0f548a90$2dfd9fb0$@alexarevel.plus.com> <000a01d7e520$20f72160$62e56420$@sympatico.ca>
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Last time I replaced a clutch one of the disk springs (dampers?) was 
broken and, yes, this caused some judder.

Glad you got your problems worked-out, Simon. I admire your tenacity.

Bob


On 11/29/2021 4:53 AM, m.g.sharp--- via Healeys wrote:
>
> Simon, so glad the clutch issue is behind you.  You may recall from my 
> clutch saga a few years ago that the replacement parts I received were 
> the issue, although in my case it was the clutch disc.  So I think we 
> must all be wary of replacement clutches â?? measure everything and 
> compare old to new.  I am told there are companies that will re-face a 
> pressure plate.  Perhaps this is a better option, although on a high 
> mileage item, weakened springs may be an issue.  I have never run 
> across that myself.
>
> So just get in and drive it!
>
> Cheers, Mirek
>
> *From:*Healeys <healeys-bounces@autox.team.net> *On Behalf Of *Simon 
> Lachlan via Healeys
> *Sent:* November 29, 2021 7:32 AM
> *To:* 'Healeys' <healeys@autox.team.net>
> *Subject:* [Healeys] Update on clutch woes
>
> I received a lot of help and advice with regard to the clutch problem 
> on my MkII BT7 for which, again, many thanks.
>
> Hereâ??s where we are:-
>
> 1) I replaced both master and slave cylinders and even converted the 
> former to having an adjustable push rod which, mercifully, I did not 
> have to use. No change.
>
> 2) I bled the system more times than Iâ??ve hot dinners, as they say. No 
> change.
>
> 3) I had the gearbox out and back 3 - or was it 4? â?? times. Centring 
> that thing to a nanomillimetere if there is such a thing. No change 
> except to blood pressure.
>
> 4) I had fairly fruitless discussions with the supplier who assured me 
> that â??Nothing like this has happened beforeâ??. No comment will be 
> issued at this juncture as the lawyers say.
>
> 5) I gave up on the new kit and decided that the new clutch cover, 
> being 10+mm higher in the centre than the old, was the likely culprit.
>
> It was indeed the culprit. Restoring the old cover cured the problem 100%.
>
> 6) Iâ??d only swapped the clutch in the first place because I had to 
> remove the gearbox for an overdrive issue. On inspection the old 
> clutch parts looked pretty good and, while youâ??re in thereâ?¦..
>
> However, new clutch feels better than the old which is good.
>
> 7) The supplier refunded me in full thus let me keep the plate and 
> bearing for free which was some compensation.
>
> Lightened flywheel by 14.5% off. Gives a nice feel. Not a huge 
> difference but more responsive. Iâ??m pleased with it.
>
> The overdrive pressure issue was solved by an uprated accumulator and 
> other related bits.
>
> You may recall that the pump would not go back in, despite my best 
> efforts? I thought I must be doing something wrong but gave up in the 
> end and drove the OD and box up to OD Spares. Dave put in a new front 
> casing as someone â?? NOT me â?? had used some â??Plastic Paddingâ?? (JB 
> Weld?) in the area at the top of the pumpâ??s travel. I presume to 
> reline a scored bore. Anyhow, somehow or other, that stuff prevented 
> my getting the pump back up the last few mm. So, in effect, that half 
> of the OD has been rebuilt.
>
> And it works!
>
> Iâ??d not had the car on the road until yesterday as Iâ??d been waiting 
> for the return of my handbrake from the platers. Thatâ??s back in and 
> looks much better than before. I even managed to adjust the handbrake 
> cable as, miraculously, it was all greased and nothing was jammed on 
> the threaded rod.
>
> What next?
>
> Simon
>
>

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    Last time I replaced a clutch one of the disk springs (dampers?) was
    broken and, yes, this caused some judder.<br>
    <br>
    Glad you got your problems worked-out, Simon. I admire your
    tenacity.<br>
    <br>
    Bob<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 11/29/2021 4:53 AM, m.g.sharp--- via
      Healeys wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:000a01d7e520$20f72160$62e56420$@sympatico.ca">
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        <p class="MsoNormal">Simon, so glad the clutch issue is behind
          you.  You may recall from my clutch saga a few years ago that
          the replacement parts I received were the issue, although in
          my case it was the clutch disc.  So I think we must all be
          wary of replacement clutches â?? measure everything and compare
          old to new.  I am told there are companies that will re-face a
          pressure plate.  Perhaps this is a better option, although on
          a high mileage item, weakened springs may be an issue.  I have
          never run across that myself.<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">So just get in and drive it!<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal">Cheers, Mirek<o:p></o:p></p>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div>
          <div style="border:none;border-top:solid #E1E1E1
            1.0pt;padding:3.0pt 0cm 0cm 0cm">
            <p class="MsoNormal"><b><span
                  style="mso-fareast-language:EN-CA" 
lang="EN-US">From:</span></b><span
                style="mso-fareast-language:EN-CA" lang="EN-US"> Healeys
                <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys-bounces@autox.team.net";>&lt;healeys-bounces@autox.team.net&gt;</a>
 <b>On Behalf Of
                </b>Simon Lachlan via Healeys<br>
                <b>Sent:</b> November 29, 2021 7:32 AM<br>
                <b>To:</b> 'Healeys' <a class="moz-txt-link-rfc2396E" 
href="mailto:healeys@autox.team.net";>&lt;healeys@autox.team.net&gt;</a><br>
                <b>Subject:</b> [Healeys] Update on clutch 
woes<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><span lang="EN-GB">I received a lot of help
            and advice with regard to the clutch problem on my MkII BT7
            for which, again, many thanks.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">Hereâ??s where we 
are:-<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">1) I replaced both
            master and slave cylinders and even converted the former to
            having an adjustable push rod which, mercifully, I did not
            have to use. No change.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">2) I bled the system
            more times than Iâ??ve hot dinners, as they say. No 
change.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">3) I had the gearbox out
            and back 3 - or was it 4? â?? times. Centring that thing to a
            nanomillimetere if there is such a thing. No change except
            to blood pressure.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">4) I had fairly
            fruitless discussions with the supplier who assured me that
            â??Nothing like this has happened beforeâ??. No comment will be
            issued at this juncture as the lawyers say.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">5) I gave up on the new
            kit and decided that the new clutch cover, being 10+mm
            higher in the centre than the old, was the likely 
culprit.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">It was indeed the
            culprit. Restoring the old cover cured the problem 
100%.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">6) Iâ??d only swapped the
            clutch in the first place because I had to remove the
            gearbox for an overdrive issue. On inspection the old clutch
            parts looked pretty good and, while youâ??re in 
thereâ?¦..<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">However, new clutch
            feels better than the old which is good.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">7) The supplier refunded
            me in full thus let me keep the plate and bearing for free
            which was some compensation.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">Lightened flywheel by
            14.5% off. Gives a nice feel. Not a huge difference but more
            responsive. Iâ??m pleased with it.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">The overdrive pressure
            issue was solved by an uprated accumulator and other related
            bits.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">You may recall that the
            pump would not go back in, despite my best efforts? I
            thought I must be doing something wrong but gave up in the
            end and drove the OD and box up to OD Spares. Dave put in a
            new front casing as someone â?? NOT me â?? had used some
            â??Plastic Paddingâ?? (JB Weld?) in the area at the top of the
            pumpâ??s travel. I presume to reline a scored bore. Anyhow,
            somehow or other, that stuff prevented my getting the pump
            back up the last few mm. So, in effect, that half of the OD
            has been rebuilt.<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">And it 
works!<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">Iâ??d not had the car on
            the road until yesterday as Iâ??d been waiting for the return
            of my handbrake from the platers. Thatâ??s back in and looks
            much better than before. I even managed to adjust the
            handbrake cable as, miraculously, it was all greased and
            nothing was jammed on the threaded rod. <o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">What next?<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB">Simon<o:p></o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span><br>
        </p>
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    <br>
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