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Re: [Healeys] BN1 brake system

To: healeys@autox.team.net
Subject: Re: [Healeys] BN1 brake system
From: Bob Spidell <bspidell@comcast.net>
Date: Tue, 30 Aug 2022 20:20:11 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: healeys@autox.team.net
References: <91677579.1607574.1661905594266.ref@mail.yahoo.com> <91677579.1607574.1661905594266@mail.yahoo.com>
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I'll pass on something that was passed to me by another Lister, but 
seems nonsensical on the surface:

I had the same problem you're having with my BN2. Someone suggested 
pumping up the pedal as hard as possible, then hold pressure on the 
pedal with something; I used a 2x4 of appropriate size backed-up by the 
seat pan. I let it sit overnight and, in the morning I had good pedal! 
There's no rational explanation for this phenomenon, but it's worth a 
try when all else fails (the only thing I can think of is the M/C is 
kind of wonky and makes bleeding difficult).


On 8/30/2022 5:26 PM, warthodson--- via Healeys wrote:
> We have been trying for several months to bleed the brakes on RHD BN1, 
> to no avail. The car has been professionally restored & appears to be 
> in excellent condition. Today, we tried again to bleed the system 
> following the shop manual. I.E. backing off the adjusters on the front 
> & back & bleeding & then readjusting the brakes. The results were the 
> same. There seems to be an excessively large amount of pedal travel 
> before the brakes are engaged & when engaged they feel "spongy". We 
> have access to 2 other 100's for reference. Any help would be greatly 
> appreciated. Also, we are not clear on the adjustment of the free play 
> of the master cylinder.
> Gary Hodson
>

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    I'll pass on something that was passed to me by another Lister, but
    seems nonsensical on the surface:<br>
    <br>
    I had the same problem you're having with my BN2. Someone suggested
    pumping up the pedal as hard as possible, then hold pressure on the
    pedal with something; I used a 2x4 of appropriate size backed-up by
    the seat pan. I let it sit overnight and, in the morning I had good
    pedal! There's no rational explanation for this phenomenon, but it's
    worth a try when all else fails (the only thing I can think of is
    the M/C is kind of wonky and makes bleeding difficult).<br>
    <br>
    <br>
    <div class="moz-cite-prefix">On 8/30/2022 5:26 PM, warthodson--- via
      Healeys wrote:<br>
    </div>
    <blockquote type="cite"
      cite="mid:91677579.1607574.1661905594266@mail.yahoo.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div style="color:black;font: 12pt Comic Sans MS, sans-serif;">We
        have been trying for several months to bleed the brakes on RHD
        BN1, to no avail. The car has been professionally restored &amp;
        appears to be in excellent condition. Today, we tried again to
        bleed the system following the shop manual. I.E. backing off the
        adjusters on the front &amp; back &amp; bleeding &amp; then
        readjusting the brakes. The results were the same. There seems
        to be an excessively large amount of pedal travel before the
        brakes are engaged &amp; when engaged they feel "spongy". We
        have access to 2 other 100's for reference. Any help would be
        greatly appreciated. Also, we are not clear on the adjustment of
        the free play of the master cylinder.
        <div>Gary Hodson   </div>
      </div>
      <br>
    </blockquote>
    <br>
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