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Hi all
I'm with Mike Salter=20
There is also a similar "top hat" breather on the top of your diff banjo. It=
screws in.=20
Hands up if you've taken either off and cleaned the crud out of these in the=
past 50 - 60 years; or hands on your head if you're still having issues wit=
h leaking diff/ gearbox oil seals?=20
Of course there will be no oil by blow mist or "telltale" marks if the brea=
ther top hat is blocked and sealed with crud, or you aren't driving long dis=
tances enough to get oil really hot. Or if it's parked.=20
Anyway - mostly - the engine oil blow by is hiding it! :-)
The cleaning of breathers - engine - diff - gearbox - was probably a standar=
d procedure on a hoist in a BMC service back when the cars were new.=20
Most people who drive their cars a bit harder or raced them have also probab=
ly already replaced their "top hat" breather with a clear tube. Gearbox and D=
iff. Especially diff. To increase the ability to breathe (bigger air escape a=
rea than the top hat lid arrangement), and to also route the clear plastic t=
ube vertically to breathe cleaner air.=20
Hope this isn't too non tech=20
Keep you roof down, your revs up, and your sense of humor=20
Chris
P.S. I still can't find Mike Salter's 1st motion shafts. My spare Healey Hea=
d. But I found my glasses tonight. So I'm back in the game Mike! ;-)
Sent from my iPhone
> On 28 Oct. 2016, at 7:56 pm, John Harper <ah100register@gmail.com> wrote:
>=20
> Mike - Just to add to this I have never seen oil 'blowing' out of this ven=
t because if it did it would show. I don't believe the claim that gearbox oi=
l would boil.
>=20
> Best regards
>=20
>> On 27 October 2016 at 22:32, Michael Salter <michaelsalter@gmail.com> wro=
te:
>> Somebody suggested that the reason that BN1 gearboxes leak is that they a=
re not "vented".=20
>> I have been thinking about this as I was sure that they are vented..
>> Well they are and here is how...
>>=20
>> The above is the gearbox vent. It is located on the top of the overdrive u=
nit, in this case a 32% and, as the gearbox and overdrive units share a comm=
on oil reservoir this vent serves them both.=20
>> All Healey overdrives have this vent (or breather) on a BJ8 its part numb=
er is 17H5825
>> Just sayin'.
>> Michael S
>> BN1 #174
>>=20
>>=20
>>> On Wed, Oct 26, 2016 at 10:34 AM, Tim Davis BN7 <tld6008@mchsi.com> wrot=
e:
>>> no.... Neither of the two types will not seal that joint.....jeeez <unde=
fined>
>>>=20
>>>=20
>>> From: "Bob Spidell" <bspidell@comcast.net>
>>> To: "John Spaur" <jmsdarch@sbcglobal.net>
>>> Cc: "healeys" <healeys@autox.team.net>
>>> Sent: Wednesday, October 26, 2016 8:40:33 AM
>>> Subject: Re: [Healeys] Overdrive Question
>>>=20
>>> Soooooooo ... both types of Hylomar WILL seal the joint?
>>>=20
>>>=20
>>> From: "John Spaur" <jmsdarch@sbcglobal.net>
>>> To: "WILLIAM B LAWRENCE" <YNOTINK@msn.com>, "healeys" <healeys@autox.tea=
m.net>
>>> Sent: Tuesday, October 25, 2016 8:27:53 PM
>>> Subject: Re: [Healeys] Overdrive Question
>>>=20
>>> In my experiences neither of the two types Hylomar will not seal that jo=
int.
>>>=20
>>> =20
>>>=20
>>> John Spaur
>>>=20
>>> San Jose
>>>=20
>>> =20
>>>=20
>>> From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of WILLI=
AM B LAWRENCE
>>> Sent: Sunday, October 23, 2016 8:26 PM
>>> To: healeys@autox.team.net
>>> Subject: [Healeys] Overdrive Question
>>>=20
>>> =20
>>>=20
>>> =E2=80=A6disassembly of the OD because it is seeping oil at the clutch r=
ing. There are no gaskets, but I would like to smear some Hylomar on the joi=
nt faces to stop the leak.
>>>=20
>>>=20
>>> _______________________________________________
>>>=20
>>>=20
>>>=20
>>> _______________________________________________
>>> Support Team.Net http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>> Archive: http://www.team.net/archive
>>> Forums: http://www.team.net/forums
>>>=20
>>> Healeys@autox.team.net
>>> http://autox.team.net/mailman/listinfo/healeys
>>>=20
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/tld600=
8@mchsi.com
>>>=20
>>>=20
>>>=20
>>> _______________________________________________
>>> Support Team.Net http://www.team.net/donate.html
>>> Suggested annual donation $12.75
>>> Archive: http://www.team.net/archive
>>> Forums: http://www.team.net/forums
>>>=20
>>> Healeys@autox.team.net
>>> http://autox.team.net/mailman/listinfo/healeys
>>>=20
>>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/michae=
lsalter@gmail.com
>>=20
>>=20
>>=20
>> --=20
>> If you can't fix it with a hammer, you've got an electrical problem.
>>=20
>>=20
>> _______________________________________________
>> Support Team.Net http://www.team.net/donate.html
>> Suggested annual donation $12.75
>> Archive: http://www.team.net/archive
>> Forums: http://www.team.net/forums
>>=20
>> Healeys@autox.team.net
>> http://autox.team.net/mailman/listinfo/healeys
>>=20
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/ah100re=
gister@gmail.com
>=20
>=20
>=20
> --=20
> Best wishes
>=20
> John Harper
>=20
> AHC UK 100 Register Secretary
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
> Suggested annual donation $12.75
> Archive: http://www.team.net/archive
> Forums: http://www.team.net/forums
>=20
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>=20
> Unsubscribe/Manage: http://autox.team.net/mailman/options/healeys/austin.h=
ealey@gmail.com
>=20
--Apple-Mail-0B1B9C3C-3746-4504-BF07-CFECD57DC33C
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Content-Transfer-Encoding: quoted-printable
<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div><span></span></div><div><div>Hi all</d=
iv><div id=3D"AppleMailSignature">I'm with Mike Salter </div><div id=3D=
"AppleMailSignature">There is also a similar "top hat" breather on the top o=
f your diff banjo. It screws in. </div><div id=3D"AppleMailSignature">H=
ands up if you've taken either off and cleaned the crud out of these in the p=
ast 50 - 60 years; or hands on your head if you're still having issues with l=
eaking diff/ gearbox oil seals? </div><div id=3D"AppleMailSignature">Of=
course there will be no oil by blow mist or "telltale" marks if the b=
reather top hat is blocked and sealed with crud, or you aren't driving long d=
istances enough to get oil really hot. Or if it's parked. </div><div id=
=3D"AppleMailSignature">Anyway - mostly - the engine oil blow by is hiding i=
t! :-)</div><div id=3D"AppleMailSignature">The cleaning of breathers - engin=
e - diff - gearbox - was probably a standard procedure on a hoist in a BMC s=
ervice back when the cars were new. </div><div id=3D"AppleMailSignature=
">Most people who drive their cars a bit harder or raced them have also prob=
ably already replaced their "top hat" breather with a clear tube. Gearbox an=
d Diff. Especially diff. To increase the ability to breathe (bigger air esca=
pe area than the top hat lid arrangement), and to also route the clear plast=
ic tube vertically to breathe cleaner air. </div><div id=3D"AppleMailSi=
gnature">Hope this isn't too non tech </div><div id=3D"AppleMailSignatu=
re">Keep you roof down, your revs up, and your sense of humor </div><di=
v id=3D"AppleMailSignature">Chris</div><div id=3D"AppleMailSignature">P.S. I=
still can't find Mike Salter's 1st motion shafts. My spare Healey Head. But=
I found my glasses tonight. So I'm back in the game Mike! ;-)</div><div id=3D=
"AppleMailSignature"><br>Sent from my iPhone</div><div><br>On 28 Oct. 2016, a=
t 7:56 pm, John Harper <<a href=3D"mailto:ah100register@gmail.com";>ah100r=
egister@gmail.com</a>> wrote:<br><br></div><blockquote type=3D"cite"><div=
><div dir=3D"ltr">Mike - Just to add to this I have never seen oil 'blowing'=
out of this vent because if it did it would show. I don't believe the claim=
that gearbox oil would boil.<div><br></div><div>Best regards</div></div><di=
v class=3D"gmail_extra"><br><div class=3D"gmail_quote">On 27 October 2016 at=
22:32, Michael Salter <span dir=3D"ltr"><<a href=3D"mailto:michaelsalter=
@gmail.com" target=3D"_blank">michaelsalter@gmail.com</a>></span> wrote:<=
br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:=
1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div class=3D"gmail_defaul=
t" style=3D"font-family:comic sans ms,sans-serif;font-size:small">Somebody s=
uggested that the reason that BN1 gearboxes leak is that they are not "vente=
d". <br></div><div class=3D"gmail_default" style=3D"font-family:comic sans m=
s,sans-serif;font-size:small">I have been thinking about this as I was sure t=
hat they are vented..<br></div><div class=3D"gmail_default" style=3D"font-fa=
mily:comic sans ms,sans-serif;font-size:small">Well they are and here is how=
...<br><img src=3D"cid:ii_1580809924537b1e" alt=3D"Inline image 1" width=3D"=
471" height=3D"353"><br></div><div class=3D"gmail_default" style=3D"font-fam=
ily:comic sans ms,sans-serif;font-size:small">The above is the gearbox vent.=
It is located on the top of the overdrive unit, in this case a 32% and, as t=
he gearbox and overdrive units share a common oil reservoir this vent serves=
them both. <br></div><div class=3D"gmail_default" style=3D"font-family:comi=
c sans ms,sans-serif;font-size:small">All Healey overdrives have this vent (=
or breather) on a BJ8 its part number is 17H5825<br></div><div class=3D"gmai=
l_default" style=3D"font-family:comic sans ms,sans-serif;font-size:small">Ju=
st sayin'.<br></div><div class=3D"gmail_default" style=3D"font-family:comic s=
ans ms,sans-serif;font-size:small">Michael S<br></div><div class=3D"gmail_de=
fault" style=3D"font-family:comic sans ms,sans-serif;font-size:small">BN1 #1=
74<br></div><div class=3D"gmail_default" style=3D"font-family:comic sans ms,=
sans-serif;font-size:small"><br></div></div><div class=3D"gmail_extra"><br><=
div class=3D"gmail_quote">On Wed, Oct 26, 2016 at 10:34 AM, Tim Davis BN7 <s=
pan dir=3D"ltr"><<a href=3D"mailto:tld6008@mchsi.com"; target=3D"_blank">t=
ld6008@mchsi.com</a>></span> wrote:<br><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>=
<div style=3D"font-family:Times New Roman;font-size:12pt;color:#000000"><div=
>no.... Neither of the two types will not seal that joint.....jeeez <unde=
fined><br></div><div><br></div><div><br></div><hr id=3D"m_-88649144002158=
61518m_6296156294276310179zwchr"><div style=3D"color:#000;font-weight:normal=
;font-style:normal;text-decoration:none;font-family:Helvetica,Arial,sans-ser=
if;font-size:12pt"><b>From: </b>"Bob Spidell" <<a href=3D"mailto:bspidell=
@comcast.net" target=3D"_blank">bspidell@comcast.net</a>><br><b>To: </b>"=
John Spaur" <<a href=3D"mailto:jmsdarch@sbcglobal.net"; target=3D"_blank">=
jmsdarch@sbcglobal.net</a>><br><b>Cc: </b>"healeys" <<a href=3D"mailto=
:healeys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a>><br=
><b>Sent: </b>Wednesday, October 26, 2016 8:40:33 AM<span><br><b>Subject: </=
b>Re: [Healeys] Overdrive Question<br><div><br></div><div style=3D"font-fami=
ly:Arial;font-size:12pt;color:#000000"><div>Soooooooo ... both types of Hylo=
mar WILL seal the joint?</div><div><br></div><div><br></div><hr id=3D"m_-886=
4914400215861518m_6296156294276310179zwchr"><div style=3D"color:#000;font-we=
ight:normal;font-style:normal;text-decoration:none;font-family:Helvetica,Ari=
al,sans-serif;font-size:12pt"><b>From: </b>"John Spaur" <<a href=3D"mailt=
o:jmsdarch@sbcglobal.net" target=3D"_blank">jmsdarch@sbcglobal.net</a>><b=
r><b>To: </b>"WILLIAM B LAWRENCE" <<a href=3D"mailto:YNOTINK@msn.com"; tar=
get=3D"_blank">YNOTINK@msn.com</a>>, "healeys" <<a href=3D"mailto:heal=
eys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a>><br><b>S=
ent: </b>Tuesday, October 25, 2016 8:27:53 PM<br><b>Subject: </b>Re: [Healey=
s] Overdrive Question<br><div><br></div><div class=3D"m_-8864914400215861518=
m_6296156294276310179WordSection1"><p class=3D"MsoNormal"><span style=3D"fon=
t-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">In m=
y experiences neither of the two types Hylomar will not seal that joint.</sp=
an></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0pt;font-family:&q=
uot;Calibri",sans-serif;color:#1f497d"> </span></p><p class=3D"Mso=
Normal"><span style=3D"font-size:11.0pt;font-family:"Calibri",sans=
-serif;color:#1f497d">John Spaur</span></p><p class=3D"MsoNormal"><span styl=
e=3D"font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f49=
7d">San Jose</span></p><p class=3D"MsoNormal"><span style=3D"font-size:11.0p=
t;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p=
><div><div style=3D"border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt=
0in 0in 0in"><p class=3D"MsoNormal"><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 [mailto:<a h=
ref=3D"mailto:healeys-bounces@autox.team.net"; target=3D"_blank">healeys-boun=
ces@autox.<wbr>team.net</a>] <b>On Behalf Of </b>WILLIAM B LAWRENCE<br><b>Se=
nt:</b> Sunday, October 23, 2016 8:26 PM<br><b>To:</b> <a href=3D"mailto:hea=
leys@autox.team.net" target=3D"_blank">healeys@autox.team.net</a><br><b>Subj=
ect:</b> [Healeys] Overdrive Question</span></p></div></div><p class=3D"MsoN=
ormal"> </p><div id=3D"m_-8864914400215861518m_6296156294276310179divta=
gdefaultwrapper"><p><span style=3D"font-family:"Calibri",sans-seri=
f;color:#1f497d">=E2=80=A6</span><span style=3D"font-family:"Calibri&qu=
ot;,sans-serif;color:black">disassembly of the OD because it is se=
eping oil at the clutch ring. There are no gaskets, but I would like to smea=
r some Hylomar on the joint faces to stop the leak. </span></p></div></=
div><br>______________________________<wbr>_________________<br><div><br></d=
iv></div><div><br></div></div><br>______________________________<wbr>_______=
__________<br>Support <a href=3D"http://Team.Net";>Team.Net</a> <a href=3D"ht=
tp://www.team.net/donate.html" target=3D"_blank">http://www.team.net/donate.=
htm<wbr>l</a><br>Suggested annual donation $12.75<br>Archive: <a href=3D=
"http://www.team.net/archive"; target=3D"_blank">http://www.team.net/archive<=
/a><br>Forums: <a href=3D"http://www.team.net/forums"; target=3D"_blank">http=
://www.team.net/forums</a><br><div><br></div><a href=3D"mailto:Healeys@autox=
.team.net" target=3D"_blank">Healeys@autox.team.net</a><br><a href=3D"http:/=
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am.net</a><br>
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" target=3D"_blank">http://autox.team.net/mailman/<wbr>listinfo/healeys</a><=
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<br>
/michaelsalter@gmail.com" rel=3D"noreferrer" target=3D"_blank">http://autox.=
team.net/mailman/<wbr>options/healeys/michaelsalter@<wbr>gmail.com</a><br>
<br>
<br></blockquote></div><span class=3D"HOEnZb"><font color=3D"#888888"><br><b=
r clear=3D"all"><br>-- <br><div class=3D"m_-8864914400215861518gmail_signatu=
re" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div><div dir=3D"ltr=
"><i><font size=3D"2"><span style=3D"color:black">If you can't fix it with a=
hammer, you've got an electrical problem.</span></font></i><br><br><div></d=
iv><div></div><div></div></div></div></div></div>
</font></span></div>
<br>______________________________<wbr>_________________<br>
Support <a href=3D"http://Team.Net";>Team.Net</a> <a href=3D"http://www.team.=
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<br>
<br></blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div clas=
s=3D"gmail_signature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr">Be=
st wishes<div><br></div><div>John Harper</div><div><br></div><div>AHC UK 100=
Register Secretary</div></div></div>
</div>
</div></blockquote><blockquote type=3D"cite"><div><span>____________________=
___________________________</span><br><span>Support <a href=3D"http://Team.N=
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dy></html>=
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_______________________________________________
Archive: http://www.team.net/archive
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
--===============1036808998344826565==--
|