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After installing a Denis Welch Ball Race Release Bearing, I would never =
go back to using a graphite release bearing which is essentially =
designed to wear-out unlike the DW item.
=20
https://www.bighealey.co.uk/austin-healey/clutch-1
=20
John
=20
From: Healeys <healeys-bounces@autox.team.net> On Behalf Of Simon =
Lachlan via Healeys
Sent: Tuesday, August 4, 2026 12:21 PM
To: 'Bob Spidell' <bspidell@comcast.net>; healeys@autox.team.net
Subject: Re: [Healeys] Noise on engaging clutch
=20
Yes, I=E2=80=99ve heard that. I looked into my files and that bearing is =
about 18 months old. Just long enough for a dud to play up=E2=80=A6.?
Simon
=20
From: Healeys <healeys-bounces@autox.team.net =
Healeys
Sent: 04 August 2026 19:14
Subject: Re: [Healeys] Noise on engaging clutch
=20
I recall there was a bad batch of the graphite release 'bearings.' If =
one was badly chipped it may cause such symptoms.
On 8/4/2026 9:29 AM, Hank Leach via Healeys wrote:
I'm assuming that this is the standard B&B spring clutch and not the =
later diaphragm clutch found in the BJ7-8.
=20
When you did the install 18 mo. ago did you by any chance hang up on the =
PP upon offering up the unit to the pilot beating. In other words, did =
you have difficulty moving the trans exactly centered forward and home =
without any resistance? Hitting something?
=20
The center yoke of the pressure plate is suspended and if you hit one of =
the hangers it can later manifest into a misalignment and noise at the =
TO bearing. Feeling it in the pedal is a clue. If it was a later =
diaphragm clutch and has a broken finger you definitely get pedal =
vibration.
=20
One other "test"... upon driving; is the noise (vibration) better or =
worse when in OD or direct?
=20
Probably should not drive it much until issue is found but I'm afraid to =
say it may involve R & R of the unit.Hank
--------------------=20
<healey.nut@gmail.com>=20
<simon.lachlan@alexarevel.plus.com>=20
Sent: August 4, 2026 at 7:24 AM PDT=20
Subject: Re: [Healeys] Noise on engaging clutch=20
Simon -=20
=20
Your email is a little confusing - a couple quick questions:
1) Does the clutch make the noise while your foot is on the clutch? =
While your foot is on the clutch does it do it if the car is in gear?, =
or not in gear, or both?
2) are there some pinging or slapping noises one you have full let the =
clutch out, or does it only make noise when your are shifting?
=20
Alan
=20
On Tue, Aug 4, 2026 at 8:18=E2=80=AFAM Simon Lachlan via Healeys =
Hi,
I need advice regarding a new issue pertaining to my clutch/gearbox. At =
least that is my understanding. By =E2=80=9Cclutch/gearbox=E2=80=9D, I =
include master and slave cylinders=E2=80=A6.
Car is UK RHD A-H3000 MkII BT7.
Has marginally lightened flywheel.
Centre shift.
Clutch plate is about 18 months old. Not gone long distance nor been =
thrashed around.
Noise is not related to engine speed.
I did some tests in my backyard=E2=80=A6=E2=80=A6
I made a few notes:-
Reverse out into backyard=E2=80=A6..no problems.
Back and forward in first and reverse about 5 times then the noise =
starts in both gears.
It is a harsh rubbing/grating noise, accompanied by a vibration which I =
can feel in clutch foot. I get impression that it=E2=80=99s down low on =
rhs.
Can feel vibration in my clutch foot when the noise is happening.
Noise happens as I lift clutch foot to engage reverse or first. =
(Didn=E2=80=99t try 2nd)
Noise stops once I lift foot all the way and engage gear whereupon car =
drives normally ie noise only happens when in process of engaging gear.
There is no noise or vibration when car is in neutral.
Noise does not occur every time. Most times.
Now, my belief is that this may be something to do with the carbon =
=E2=80=9Crelease bearing=E2=80=9D. Maybe not wear because it=E2=80=99s =
pretty new but maybe because it=E2=80=99s not engaging fully or =
it=E2=80=99s not aligned right. I=E2=80=99m thinking about slave =
cylinder or master cylinder issues but they=E2=80=99re pretty new as =
well. Can=E2=80=99t speak for the flexible hose going to slave as =
I=E2=80=99ve had so much, basically overdrive, issues in that area that =
I can=E2=80=99t recall the minor parts.
I absolutely dread having to take the gearbox out AGAIN and am hopeful =
that it won=E2=80=99t be necessary.
Any ideas??
Yours hopefully, Simon
_______________________________________________
Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys
http://autox.team.net/mailman/listinfo/healeys
http://autox.team.net/mailman/options/healeys/healey.nut@gmail.com
=20
=20
_______________________________________________
=20
Archive: http://www.team.net/pipermail/healeys =
http://autox.team.net/archive/healeys
=20
http://autox.team.net/mailman/listinfo/healeys
=20
http://autox.team.net/mailman/options/healeys/bspidell@comcast.net
=20
=20
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</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue =
vlink=3Dpurple style=3D'word-wrap:break-word'><div =
class=3DWordSection1><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>After =
installing a Denis Welch Ball Race Release Bearing, I would never go =
back to using a graphite release bearing which is essentially designed =
to wear-out unlike the DW item.<o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><a =
href=3D"https://www.bighealey.co.uk/austin-healey/clutch-1";>https://www.b=
ighealey.co.uk/austin-healey/clutch-1</a><o:p></o:p></span></p><p =
class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>John<o:p></o:=
p></span></p><p class=3DMsoNormal><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'><o:p> </=
o:p></span></p><div><div style=3D'border:none;border-top:solid #E1E1E1 =
1.0pt;padding:3.0pt 0in 0in 0in'><p class=3DMsoNormal><b><span =
style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span><=
/b><span style=3D'font-size:11.0pt;font-family:"Calibri",sans-serif'> =
Healeys <healeys-bounces@autox.team.net> <b>On Behalf Of </b>Simon =
Lachlan via Healeys<br><b>Sent:</b> Tuesday, August 4, 2026 12:21 =
PM<br><b>To:</b> 'Bob Spidell' <bspidell@comcast.net>; =
healeys@autox.team.net<br><b>Subject:</b> Re: [Healeys] Noise on =
engaging clutch<o:p></o:p></span></p></div></div><p =
class=3DMsoNormal><o:p> </o:p></p><p class=3DMsoNormal><span =
lang=3DEN-GB>Yes, I=E2=80=99ve heard that. I looked into my files and =
that bearing is about 18 months old. Just long enough for a dud to play =
up=E2=80=A6.?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>Simon<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB><o:p> </o:p></span></p><div =
style=3D'border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in =
0in 0in;font-size:pt'><p class=3DMsoNormal><b><span lang=3DEN-GB =
style=3D'font-family:"Calibri",sans-serif'>From:</span></b><span =
lang=3DEN-GB style=3D'font-family:"Calibri",sans-serif'> Healeys <<a =
href=3D"mailto:healeys-bounces@autox.team.net";>healeys-bounces@autox.team=
.net</a>> <b>On Behalf Of </b>Bob Spidell via Healeys<br><b>Sent:</b> =
04 August 2026 19:14<br><b>To:</b> <a =
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a><br><b>S=
ubject:</b> Re: [Healeys] Noise on engaging =
clutch<o:p></o:p></span></p></div><p class=3DMsoNormal><span =
lang=3DEN-GB><o:p> </o:p></span></p><p class=3DMsoNormal =
style=3D'margin-bottom:12.0pt'><span lang=3DEN-GB>I recall there was a =
bad batch of the graphite release 'bearings.' If one was badly chipped =
it may cause such symptoms.<o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB>On 8/4/2026 9:29 AM, Hank Leach via =
Healeys wrote:<o:p></o:p></span></p><blockquote =
style=3D'margin-top:5.0pt;margin-bottom:5.0pt'><p =
class=3DMsoNormal><span lang=3DEN-GB>I'm assuming that this is the =
standard B&B spring clutch and not the later diaphragm clutch found =
in the BJ7-8.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB> <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>When you did the install 18 mo. ago did you by any chance =
hang up on the PP upon offering up the unit to the pilot beating. In =
other words, did you have difficulty moving the trans exactly =
centered forward and home without any resistance? Hitting =
something?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB> <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>The center yoke of the pressure plate is suspended and if =
you hit one of the hangers it can later manifest into a misalignment and =
noise at the TO bearing. Feeling it in the pedal is a clue. If it was a =
later diaphragm clutch and has a broken finger you definitely get pedal =
vibration.<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB> <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>One other "test"... upon driving; is the noise =
(vibration) better or worse when in OD or =
direct?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB> <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>Probably should not drive it much until issue is found but =
I'm afraid to say it may involve R & R of the =
unit.Hank<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB><br>-------------------- <br><br>From: "Alan =
Seigrist" <a =
href=3D"mailto:healey.nut@gmail.com";><healey.nut@gmail.com></a> =
<br>To: <a =
href=3D"mailto:simon.lachlan@alexarevel.plus.com";><simon.lachlan@alexa=
revel.plus.com></a> <br>Cc: <a =
href=3D"mailto:healeys@autox.team.net";><healeys@autox.team.net></a>=
<br>Sent: August 4, 2026 at 7:24 AM PDT <br>Subject: Re: [Healeys] =
Noise on engaging clutch <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB>Simon - <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB> <o:p></o:p></span></p><p =
class=3DMsoNormal><span lang=3DEN-GB>Your email is a little confusing - =
a couple quick questions:<br><br>1) Does the clutch make the noise while =
your foot is on the clutch? While your foot is on the clutch does =
it do it if the car is in gear?, or not in gear, or =
both?<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-GB>2) =
are there some pinging or slapping noises one you have full let the =
clutch out, or does it only make noise when your are =
shifting?<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB> <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>Alan<o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB> <o:p></o:p></span></p><p class=3DMsoNormal><span =
lang=3DEN-GB>On Tue, Aug 4, 2026 at 8:18</span><span lang=3DEN-GB =
style=3D'font-family:"Arial",sans-serif'>=E2=80=AF</span><span =
lang=3DEN-GB>AM Simon Lachlan via Healeys <<a =
href=3D"mailto:healeys@autox.team.net";>healeys@autox.team.net</a>> =
wrote:<o:p></o:p></span></p><blockquote =
style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in =
6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5=
.0pt'><p><span lang=3DEN-GB>Hi,<o:p></o:p></span></p><p><span =
lang=3DEN-GB>I need advice regarding a new issue pertaining to my =
clutch/gearbox. At least that is my understanding. By =
=E2=80=9Cclutch/gearbox=E2=80=9D, I include master and slave =
cylinders=E2=80=A6.<o:p></o:p></span></p><p><span lang=3DEN-GB>Car is UK =
RHD A-H3000 MkII BT7.<o:p></o:p></span></p><p><span lang=3DEN-GB>Has =
marginally lightened flywheel.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Centre shift.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Clutch plate is about 18 months old. Not gone long distance =
nor been thrashed around.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Noise is not related to engine =
speed.<o:p></o:p></span></p><p><span lang=3DEN-GB>I did some tests in my =
backyard=E2=80=A6=E2=80=A6<o:p></o:p></span></p><p><span lang=3DEN-GB>I =
made a few notes:-<o:p></o:p></span></p><p><span lang=3DEN-GB>Reverse =
out into backyard=E2=80=A6..no problems.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Back and forward in first and reverse about 5 times then =
the noise starts in both gears.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>It is a harsh rubbing/grating noise, accompanied by a =
vibration which I can feel in clutch foot. I get impression that =
it=E2=80=99s down low on rhs.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Can feel vibration in my clutch foot when the noise is =
happening.<o:p></o:p></span></p><p><span lang=3DEN-GB>Noise happens as I =
lift clutch foot to engage reverse or first. (Didn=E2=80=99t try =
2<sup>nd</sup>)<o:p></o:p></span></p><p><span lang=3DEN-GB>Noise stops =
once I lift foot all the way and engage gear whereupon car drives =
normally ie noise only happens when in process of engaging =
gear.<o:p></o:p></span></p><p><span lang=3DEN-GB>There is no noise or =
vibration when car is in neutral.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Noise does not occur every time. Most =
times.<o:p></o:p></span></p><p><span lang=3DEN-GB>Now, my belief is that =
this may be something to do with the carbon =E2=80=9Crelease =
bearing=E2=80=9D. Maybe not wear because it=E2=80=99s pretty new but =
maybe because it=E2=80=99s not engaging fully or it=E2=80=99s not =
aligned right. I=E2=80=99m thinking about slave cylinder or master =
cylinder issues but they=E2=80=99re pretty new as well. Can=E2=80=99t =
speak for the flexible hose going to slave as I=E2=80=99ve had so much, =
basically overdrive, issues in that area that I can=E2=80=99t recall the =
minor parts.<o:p></o:p></span></p><p><span lang=3DEN-GB>I absolutely =
dread having to take the gearbox out AGAIN and am hopeful that it =
won=E2=80=99t be necessary.<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Any ideas??<o:p></o:p></span></p><p><span =
lang=3DEN-GB>Yours hopefully, Simon<o:p></o:p></span></p><p =
class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span =
lang=3DEN-GB>_______________________________________________<br>Support =
Team.Net <a href=3D"http://www.team.net/donate.html"; =
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t@gmail.com</a><o:p></o:p></span></p></blockquote><p =
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class=3DMsoNormal style=3D'margin-bottom:12.0pt'><span =
lang=3DEN-GB><o:p> </o:p></span></p><pre><span =
lang=3DEN-GB>_______________________________________________<o:p></o:p></=
span></pre><pre><span lang=3DEN-GB>Support Team.Net <a =
href=3D"http://www.team.net/donate.html";>http://www.team.net/donate.html<=
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ive/healeys</a><o:p></o:p></span></pre><pre><span =
lang=3DEN-GB><o:p> </o:p></span></pre><pre><span lang=3DEN-GB><a =
href=3D"mailto:Healeys@autox.team.net";>Healeys@autox.team.net</a><o:p></o=
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<o:p></o:p></span></pre><pre><span =
lang=3DEN-GB><o:p> </o:p></span></pre></blockquote><p =
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