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Bob, some years ago I was asked to resolve a "jumping out of 4th gear on
overrun" issue in a late BJ8 gearbox and discovered that the shims for both
the 1st and 3rd shaft bearings were missing entirely however there was also
some wear on the internal teeth on both sides of the 3/4 coupling sleeve.
I replaced the coupling sleeve and the shims on both bearings which
resolved the problem.
My conclusion was that the missing shims were the primary cause of the
problem and that the wear on the sleeve was caused by the axial movement of
the shaft(s) ; however that was supposition on my part and I would love to
hear more about this subject.
M
On Thu, Aug 28, 2025 at 10:39=E2=80=AFAM Bob Spidell via Healeys <
healeys@autox.team.net> wrote:
> When I read this I thought "OMG, I didn't put these in when I did a
> gearbox/OD rebuild a few years ago, is that what causes the notorious
> jumping-out-of-fourth problem?!" So I checked my parts catalog--aka the
> Moss catalog--and didn't see them listed in the OD sections, but I did fi=
nd
> them in the 'Internal gearbox, 4 speed' section showing the mainshaft
> assembly as 'plate, spring bearing' and 'plate, bearing,' but only for th=
e
> pre-BJ8 cars on the front of the gearbox (by the first motion shaft). So,
> did I miss something, as I don't recall ever seeing them in the OD adapte=
r
> in 2 rebuilds (the catalog doesn't show them)?
>
> For the BJ8, the catalog shows 2 available shim sizes, in lieu of the
> bellville washer and 'plate,' I presume, but I installed DWM's 'uprated'
> shim and had to have the bellhousing machined appropriately.
>
>
> https://www.bighealey.co.uk/index.php?route=3Dproduct/product_grouped&pro=
duct_id=3D34295
>
> Bob
>
> On 8/27/2025 1:30 PM, Michael Salter wrote:
>
> Those "rings" are the Bellville washer and shim that go into the adaptor
> plate to eliminate end float of the mainshaft bearing.
>
>
>
>
> ------------------------------
> *From:* Healeys <healeys-bounces@autox.team.net>
> <healeys-bounces@autox.team.net> on behalf of Leonard Berkowitz via
> Healeys <healeys@autox.team.net> <healeys@autox.team.net>
> *Sent:* Wednesday, August 27, 2025 3:50:01 PM
> *To:* healeys@autox.team.net <healeys@autox.team.net>
> <healeys@autox.team.net>
> *Subject:* [Healeys] Advice and guidance needed for OD reinstallation
>
> Hi. All
> I finally figured out how to get the OD out of my BJ7. Now for getting th=
e
> new one installed. I found two rings sitting on the output shaft which I
> believe are fitted to the adapter plate. (See pics attached). The problem
> is going to be how to keep them in place while maneuvering the new OD int=
o
> place. I was thinking of using either white lithium grease or wheel beari=
ng
> grease.
> Any suggestions?
> Thank you in advance for any help you can offer.
>
> Len Berkowitz
>
>
> _______________________________________________
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>
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>
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>
>
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:arial,sa=
ns-serif;font-size:small">Bob, some years ago I was asked to resolve a &quo=
t;jumping out of 4th gear on overrun" issue in a late BJ8 gearbox and =
discovered that the shims for both the 1st and 3rd shaft bearings were miss=
ing entirely=C2=A0however there was also some wear on the internal teeth on=
both sides of the 3/4 coupling sleeve.=C2=A0</div><div class=3D"gmail_defa=
ult" style=3D"font-family:arial,sans-serif;font-size:small">I replaced the =
coupling sleeve and the shims on both bearings which resolved the problem.=
=C2=A0</div><div class=3D"gmail_default" style=3D"font-family:arial,sans-se=
rif;font-size:small">My conclusion was that the missing shims were the prim=
ary cause of the problem and that the wear on the sleeve was caused by the =
axial movement of the shaft(s) ; however that was supposition on my part an=
d I would love to hear more about this subject.</div><div class=3D"gmail_de=
fault" style=3D"font-family:arial,sans-serif;font-size:small"><br></div><di=
v class=3D"gmail_default" style=3D"font-family:arial,sans-serif;font-size:s=
mall">M</div></div><br><div class=3D"gmail_quote gmail_quote_container"><di=
v dir=3D"ltr" class=3D"gmail_attr">On Thu, Aug 28, 2025 at 10:39=E2=80=AFAM=
Bob Spidell via Healeys <<a href=3D"mailto:healeys@autox.team.net";>heal=
eys@autox.team.net</a>> wrote:<br></div><blockquote class=3D"gmail_quote=
" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);=
padding-left:1ex"><u></u>
=20
=20
=20
<div>
When I read this I thought "OMG, I didn't put these in when I =
did a
gearbox/OD rebuild a few years ago, is that what causes the
notorious jumping-out-of-fourth problem?!" So I checked my parts
catalog--aka the Moss catalog--and didn't see them listed in the OD
sections, but I did find them in the 'Internal gearbox, 4 speed'=
;
section showing the mainshaft assembly as 'plate, spring bearing=
9;
and 'plate, bearing,' but only for the pre-BJ8 cars on the fron=
t of
the gearbox (by the first motion shaft). So, did I miss something,
as I don't recall ever seeing them in the OD adapter in 2 rebuilds
(the catalog doesn't show them)?=C2=A0<br>
<br>
For the BJ8, the catalog shows 2 available shim sizes, in lieu of
the bellville washer and 'plate,' I presume, but I installed DW=
M's
'uprated' shim and had to have the bellhousing machined
appropriately.<br>
<br>
<a href=3D"https://www.bighealey.co.uk/index.php?route=3Dproduct/product_gr=
ouped&product_id=3D34295" target=3D"_blank">https://www.bighealey.co.uk=
/index.php?route=3Dproduct/product_grouped&product_id=3D34295</a><br>
<br>
Bob<br>
<br>
<div>On 8/27/2025 1:30 PM, Michael Salter
wrote:<br>
</div>
<blockquote type=3D"cite">
=20
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Rob=
oto,Arial,Helvetica,sans-serif;font-size:12pt" dir=3D"auto">
Those "rings" are the Bellville washer and shim that go i=
nto the
adaptor plate to eliminate end float of the mainshaft bearing.</div=
>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Rob=
oto,Arial,Helvetica,sans-serif;font-size:12pt" dir=3D"auto">
<br>
</div>
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Rob=
oto,Arial,Helvetica,sans-serif;font-size:12pt" dir=3D"auto">
<br>
</div>
<div id=3D"m_1263615479398772690ms-outlook-mobile-body-separator-line=
" dir=3D"auto"><br>
</div>
<div id=3D"m_1263615479398772690ms-outlook-mobile-signature" dir=3D"a=
uto" style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,Roboto,Ar=
ial,Helvetica,sans-serif;font-size:12pt">
<div style=3D"font-family:Aptos,Aptos_MSFontService,-apple-system,R=
oboto,Arial,Helvetica,sans-serif;font-size:12pt">
<br>
</div>
</div>
<hr style=3D"display:inline-block;width:98%">
<div id=3D"m_1263615479398772690divRplyFwdMsg" dir=3D"ltr"><font face=
=3D"Calibri, sans-serif" style=3D"font-size:11pt" color=3D"#000000"><b>From=
:</b> Healeys
<a href=3D"mailto:healeys-bounces@autox.team.net"; target=3D"_blan=
k"><healeys-bounces@autox.team.net></a> on behalf of Leonard
Berkowitz via Healeys <a href=3D"mailto:healeys@autox.team.net"; t=
arget=3D"_blank"><healeys@autox.team.net></a><br>
<b>Sent:</b> Wednesday, August 27, 2025 3:50:01 PM<br>
<b>To:</b> <a href=3D"mailto:healeys@autox.team.net"; target=3D"_b=
lank">healeys@autox.team.net</a>
<a href=3D"mailto:healeys@autox.team.net"; target=3D"_blank"><h=
ealeys@autox.team.net></a><br>
<b>Subject:</b> [Healeys] Advice and guidance needed for OD
reinstallation</font>
<div>=C2=A0</div>
</div>
<div>
<div style=3D"font-family:inherit;font-size:inherit;color:inherit;b=
ackground-color:transparent">
Hi. All</div>
<div style=3D"font-family:inherit;font-size:inherit;color:inherit;b=
ackground-color:transparent">
I finally figured out how to get the OD out of my BJ7. Now for
getting the new one installed. I found two rings sitting on
the output shaft which I believe are fitted to the adapter
plate. (See pics attached). The problem is going to be how to
keep them in place while maneuvering the new OD into place. I
was thinking of using either white lithium grease or wheel
bearing grease.=C2=A0</div>
<div style=3D"font-family:inherit;font-size:inherit;color:inherit;b=
ackground-color:transparent">
Any suggestions?=C2=A0</div>
<div style=3D"font-family:inherit;font-size:inherit;color:inherit;b=
ackground-color:transparent">
Thank you in advance for any help you can offer.=C2=A0</div>
<div style=3D"font-family:inherit;font-size:inherit;color:inherit;b=
ackground-color:transparent">
<br>
</div>
<div style=3D"font-family:inherit;font-size:inherit;color:inherit;b=
ackground-color:transparent">
Len Berkowitz=C2=A0</div>
</div>
<pre></pre>
</blockquote>
<br>
</div>
_______________________________________________<br>
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<br>
Archive: <a href=3D"http://www.team.net/pipermail/healeys"; rel=3D"noreferre=
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ttp://autox.team.net/archive/healeys" rel=3D"noreferrer" target=3D"_blank">=
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<br>
</blockquote></div>
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_______________________________________________
Archive: http://www.team.net/pipermail/healeys
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