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Flex lines are 'normal' rubber; but fairly new. I checked the hard line
today; no kinks (my memory was playing tricks again).
It pulls down straight; looks like replacing the kinked RR hard line
might have helped (ya' think, Bob?). I'll pull the wheels and have a
look at pads and rotors; might be a while as I'm starting to think about
harvest.
Bob
On 8/5/2020 5:54 PM, Harold Manifold wrote:
> You should be able to judge if the callipers are apply even pressure
> to the disk by the wear pattern on each side of the disk. If the wear
> is even and the surfaces look very similar likely the pads are not
> seized. Don't rule out air in the brake line. Are the flex hoses
> rubber or stainless steel braid? You may have a flex hose that is
> expanding due to pressure in the brake line.
> Harold
>
> ------------------------------------------------------------------------
> *From:* Healeys [mailto:healeys-bounces@autox.team.net] *On Behalf Of
> *Bob Spidell
> *Sent:* Wednesday, August 05, 2020 10:00 AM
> *To:* Michael MacLean; Austin Healey
> *Subject:* Re: [Healeys] Brake Lockup
>
> Your $0.02 is appreciated. Rotors and pads were replaced not too long
> ago, but it's probably been 20 years since I rebuilt the calipers.
>
> Bob
>
> On 8/5/2020 9:27 AM, Michael MacLean wrote:
>> Maybe the right caliper was fluid starved for so long that is froze
>> in place or at least is binding up for that reason. If all the brake
>> lines are clear, the only thing left is the caliper. Sounds like
>> time for a rebuild. Just my two cents.
>> Mike MacLean
>> On Tuesday, August 4, 2020, 10:07:19 PM PDT, Bob Spidell
>> <bspidell@comcast.net> wrote:
>>
>>
>> Flex lines are only a couple years old, and the hard lines are fairly
>> fresh cupro-nickel. You got me thinking, though, the RF hard line may
>> have a slight kink (they're both coiled). I'll check it out.
>>
>> Bob
>>
>> On 8/4/2020 9:57 PM, sentenac.rw@gmail.com
>> > Bob, could there still be some debris in the right front brake line
>> > that keeps the right brake from being as effective as the left? Or an
>> > internally frayed flex line to the right brake?
>> >
>> > -Roland
>> >
>> > On Tue, 4 Aug 2020 21:50:42 -0700, you wrote:
>> >
>> >> Thanks, Kees. The car's brakes are stock BJ8; i.e. single circuit. It
>> >> pulls down straight, but locks the front left only. I replaced
>> pads and
>> >> rotors about 4 years/20K miles ago, and the old gear looked to be
>> pretty
>> >> evenly worn. The right rear line was the one that was pinched, and I
>> >> thought for sure that would cure the lock-up; it did pull before I
>> >> replaced the line, but I don't remember the direction (pull to the
>> right
>> >> would have been expected, I think).
>> >>
>> >> I'll take a look at the pads and rotors when I get a chance.
>> >>
>> >>
>> >> On 8/4/2020 9:18 PM, Kees Oudesluijs wrote:
>> >>> Sounds like one of the calipers is (partly) seized. The car is
>> >>> probably pulling to one side as well under normal braking. An
>> overhaul
>> >>> of the calipers and new pads would probably sort it. Also check the
>> >>> discs.
>> >>>
>> >>> If you have a dual brake circuit fitted which is split in circuits
>> >>> with one front and the opposite rear brake, check the Pressure
>> >>> Differential Valve or Pressure Differential Warning Actuator (PDWA).
>> >>> The plunjer should be central but can get dislodged after leakage or
>> >>> bleeding the brakes.
>> >>>
>> >>> But first check the tyre pressures.
>> >>>
>> >>>
>> >>> Kees Oudesluijs
>> >>>
>> >>>
>> >>>
>> >>> Op 5-8-2020 om 05:00 schreef Bob Spidell:
>> >>>> Listers,
>> >>>>
>> >>>> Today I replaced a section of brake line on my BJ8 that I'd squashed
>> >>>> with a jackstand. The operation was a success, and I got good pedal
>> >>>> after bleeding, but when I stomped on the brakes only the front left
>> >>>> locked-up. This has been the case as long as I can remember, but
>> as I
>> >>>> don't usually need to lock them up it hasn't bothered me. But, now
>> >>>> I'm wondering 'why?' There's no adjustment on disk brakes,
>> obviously,
>> >>>> so why would one squeeze harder than the other?
>> >>>>
>> >>>> Bob
>> >>>> _______________________________________________
>> >>>> Support Team.Net http://www.team.net/donate.html
>> >>>> Suggested annual donation $12.75
>> >>>>
>> >>>> Archive: http://www.team.net/pipermail/healeys
>> >>>> http://autox.team.net/archive
>> >>>>
>> >>>> http://autox.team.net/mailman/listinfo/healeys
>> >>>>
>> >>>> Unsubscribe/Manage:
>> >>>> http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl
>> >>>>
>> >>> _______________________________________________
>> >>> Support Team.Net http://www.team.net/donate.html
>> >>> Suggested annual donation $12.75
>> >>>
>> >>> Archive: http://www.team.net/pipermail/healeys
>> >>> http://autox.team.net/archive
>> >>>
>> >>> http://autox.team.net/mailman/listinfo/healeys
>> >>>
>> >>> Unsubscribe/Manage:
>> >>> http://autox.team.net/mailman/options/healeys/bspidell@comcast.net
>> >>>
>> >> _______________________________________________
>> >> Support Team.Net http://www.team.net/donate.html
>> >> Suggested annual donation $12.75
>> >>
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>> >>
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>> >>
>> >> Unsubscribe/Manage:
>> http://autox.team.net/mailman/options/healeys/sentenac.rw@gmail.com
>> >>
>>
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>>
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>
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Flex lines are 'normal' rubber; but fairly new. I checked the hard
line today; no kinks (my memory was playing tricks again).<br>
<br>
It pulls down straight; looks like replacing the kinked RR hard line
might have helped (ya' think, Bob?). I'll pull the wheels and have a
look at pads and rotors; might be a while as I'm starting to think
about harvest.<br>
<br>
Bob<br>
<br>
<br>
<div class="moz-cite-prefix">On 8/5/2020 5:54 PM, Harold Manifold
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:F3A45708EA874054864D391F65BB91F9@AllInOne">
<meta content="text/html; charset=windows-1252"
http-equiv="Content-Type">
<meta name="GENERATOR" content="MSHTML 11.00.10570.1001">
<div dir="ltr" align="left"><span class="595484800-06082020"><font
size="2" face="Arial" color="#0000ff">You should be able to
judge if the callipers are apply even pressure to the disk
by the wear pattern on each side of the disk. If the wear is
even and the surfaces look very similar likely the pads are
not seized. Don't rule out air in the brake line. Are the
flex hoses rubber or stainless steel braid? You may have a
flex hose that is expanding due to pressure in the brake
line.</font></span></div>
<div dir="ltr" align="left"><span
class="595484800-06082020"></span> </div>
<div dir="ltr" align="left"><span class="595484800-06082020"><font
size="2" face="Arial" color="#0000ff">Harold</font></span></div>
<br>
<div class="OutlookMessageHeader" dir="ltr" lang="en-us"
align="left">
<hr tabindex="-1">
<font size="2" face="Tahoma"><b>From:</b> Healeys
[<a class="moz-txt-link-freetext"
href="mailto:healeys-bounces@autox.team.net";>mailto:healeys-bounces@autox.team.net</a>]
<b>On Behalf Of </b>Bob
Spidell<br>
<b>Sent:</b> Wednesday, August 05, 2020 10:00 AM<br>
<b>To:</b> Michael MacLean; Austin Healey<br>
<b>Subject:</b> Re: [Healeys] Brake Lockup<br>
</font><br>
</div>
Your $0.02 is appreciated. Rotors and pads were replaced not too
long ago, but it's probably been 20 years since I rebuilt the
calipers.<br>
<br>
Bob<br>
<br>
<div class="moz-cite-prefix">On 8/5/2020 9:27 AM, Michael MacLean
wrote:<br>
</div>
<blockquote
cite="mid:1619560074.379053.1596644855425@mail.yahoo.com"
type="cite">
<div class="yahoo-style-wrap" style="FONT-SIZE: 16px;
FONT-FAMILY: times new roman, new york, times, serif">
<div>Maybe the right caliper was fluid starved for so long
that is froze in place or at least is binding up for that
reason. If all the brake lines are clear, the only thing
left is the caliper. Sounds like time for a rebuild. Just
my two cents.</div>
<div dir="ltr" data-setdir="false">Mike MacLean<br>
</div>
<div id="yahoo_quoted_7488643462" class="yahoo_quoted">
<div style="FONT-SIZE: 13px; FONT-FAMILY: 'Helvetica Neue',
Helvetica, Arial, sans-serif; COLOR: #26282a">
<div>On Tuesday, August 4, 2020, 10:07:19 PM PDT, Bob
Spidell <a class="moz-txt-link-rfc2396E"
href="mailto:bspidell@comcast.net";
moz-do-not-send="true"><bspidell@comcast.net></a>
wrote: </div>
<div><br>
</div>
<div><br>
</div>
<div>
<div dir="ltr">Flex lines are only a couple years old,
and the hard lines are fairly <br clear="none">
fresh cupro-nickel. You got me thinking, though, the
RF hard line may <br clear="none">
have a slight kink (they're both coiled). I'll check
it out.<br clear="none">
<br clear="none">
Bob<br clear="none">
<div id="yqtfd45520" class="yqt8894807965"><br
clear="none">
On 8/4/2020 9:57 PM, <a
href="mailto:sentenac.rw@gmail.com"; shape="rect"
moz-do-not-send="true"
ymailto="mailto:sentenac.rw@gmail.com";>sentenac.rw@gmail.com</a>
wrote:<br clear="none">
> Bob, could there still be some debris in the
right front brake line<br clear="none">
> that keeps the right brake from being as
effective as the left? Or an<br clear="none">
> internally frayed flex line to the right brake?<br
clear="none">
><br clear="none">
> -Roland<br clear="none">
><br clear="none">
> On Tue, 4 Aug 2020 21:50:42 -0700, you wrote:<br
clear="none">
><br clear="none">
>> Thanks, Kees. The car's brakes are stock
BJ8; i.e. single circuit. It<br clear="none">
>> pulls down straight, but locks the front
left only. I replaced pads and<br clear="none">
>> rotors about 4 years/20K miles ago, and the
old gear looked to be pretty<br clear="none">
>> evenly worn. The right rear line was the
one that was pinched, and I<br clear="none">
>> thought for sure that would cure the
lock-up; it did pull before I<br clear="none">
>> replaced the line, but I don't remember the
direction (pull to the right<br clear="none">
>> would have been expected, I think).<br
clear="none">
>><br clear="none">
>> I'll take a look at the pads and rotors
when I get a chance.<br clear="none">
>><br clear="none">
>><br clear="none">
>> On 8/4/2020 9:18 PM, Kees Oudesluijs wrote:<br
clear="none">
>>> Sounds like one of the calipers is
(partly) seized. The car is<br clear="none">
>>> probably pulling to one side as well
under normal braking. An overhaul<br clear="none">
>>> of the calipers and new pads would
probably sort it. Also check the<br clear="none">
>>> discs.<br clear="none">
>>><br clear="none">
>>> If you have a dual brake circuit fitted
which is split in circuits<br clear="none">
>>> with one front and the opposite rear
brake, check the Pressure<br clear="none">
>>> Differential Valve or Pressure
Differential Warning Actuator (PDWA).<br
clear="none">
>>> The plunjer should be central but can
get dislodged after leakage or<br clear="none">
>>> bleeding the brakes.<br clear="none">
>>><br clear="none">
>>> But first check the tyre pressures.<br
clear="none">
>>><br clear="none">
>>><br clear="none">
>>> Kees Oudesluijs<br clear="none">
>>><br clear="none">
>>><br clear="none">
>>><br clear="none">
>>> Op 5-8-2020 om 05:00 schreef Bob
Spidell:<br clear="none">
>>>> Listers,<br clear="none">
>>>><br clear="none">
>>>> Today I replaced a section of brake
line on my BJ8 that I'd squashed<br clear="none">
>>>> with a jackstand. The operation was
a success, and I got good pedal<br clear="none">
>>>> after bleeding, but when I stomped
on the brakes only the front left<br clear="none">
>>>> locked-up. This has been the case
as long as I can remember, but as I<br clear="none">
>>>> don't usually need to lock them up
it hasn't bothered me. But, now<br clear="none">
>>>> I'm wondering 'why?' There's no
adjustment on disk brakes, obviously,<br
clear="none">
>>>> so why would one squeeze harder
than the other?<br clear="none">
>>>><br clear="none">
>>>> Bob<br clear="none">
>>>>
_______________________________________________<br
clear="none">
>>>> Support Team.Net <a
href="http://www.team.net/donate.html";
shape="rect" target="_blank"
moz-do-not-send="true">http://www.team.net/donate.html</a><br
clear="none">
>>>> Suggested annual donation $12.75<br
clear="none">
>>>><br clear="none">
>>>> Archive: <a
href="http://www.team.net/pipermail/healeys";
shape="rect" target="_blank"
moz-do-not-send="true">http://www.team.net/pipermail/healeys</a><br
clear="none">
>>>> <a
href="http://autox.team.net/archive"; shape="rect"
target="_blank"
moz-do-not-send="true">http://autox.team.net/archive</a><br
clear="none">
>>>><br clear="none">
>>>> <a
href="mailto:Healeys@autox.team.net"; shape="rect"
moz-do-not-send="true"
ymailto="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a><br
clear="none">
>>>> <a
href="http://autox.team.net/mailman/listinfo/healeys";
shape="rect" target="_blank"
moz-do-not-send="true">http://autox.team.net/mailman/listinfo/healeys</a><br
clear="none">
>>>><br clear="none">
>>>> Unsubscribe/Manage:<br clear="none">
>>>> <a
href="http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl";
shape="rect" target="_blank"
moz-do-not-send="true">http://autox.team.net/mailman/options/healeys/coudesluijs@chello.nl</a><br
clear="none">
>>>><br clear="none">
>>>
_______________________________________________<br
clear="none">
>>> Support Team.Net <a
href="http://www.team.net/donate.html";
shape="rect" target="_blank"
moz-do-not-send="true">http://www.team.net/donate.html</a><br
clear="none">
>>> Suggested annual donation $12.75<br
clear="none">
>>><br clear="none">
>>> Archive: <a
href="http://www.team.net/pipermail/healeys";
shape="rect" target="_blank"
moz-do-not-send="true">http://www.team.net/pipermail/healeys</a><br
clear="none">
>>> <a
href="http://autox.team.net/archive"; shape="rect"
target="_blank"
moz-do-not-send="true">http://autox.team.net/archive</a><br
clear="none">
>>><br clear="none">
>>> <a
href="mailto:Healeys@autox.team.net"; shape="rect"
moz-do-not-send="true"
ymailto="mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a><br
clear="none">
>>> <a
href="http://autox.team.net/mailman/listinfo/healeys";
shape="rect" target="_blank"
moz-do-not-send="true">http://autox.team.net/mailman/listinfo/healeys</a><br
clear="none">
>>><br clear="none">
>>> Unsubscribe/Manage:<br clear="none">
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>>
_______________________________________________<br
clear="none">
>> Support Team.Net <a
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