Subject: Re: [TR] early TR4

From: DAVID MASSEY <[email-masked]>
Date: Tue, 13 Jul 2021 16:51:16 +0000 (UTC)

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 Yes, there is a rubber lip seal.=C2=A0 Moss has one 520-090 and I'm sure T=
RF carries them, too.=C2=A0 It seals up against the flang and odds are real=
ly good that the surface upon which the seal rides has a groove worn into i=
t.=C2=A0 The seal will not seal very well against a groove.=C2=A0 Whenever =
I replace a seal I fit a speedi-sleeve on the riding surface.=C2=A0 In this=
 case it would be Moss P/N 520-500 or equivalent.=C2=A0=20

They ain't cheap but they work miracles.=C2=A0 I had a TR6 with a pinion se=
al leak.=C2=A0 A new seal worked OK for a while but the leak returned.=C2=
=A0 Years later I had the diff out (for whatever reason) so I fitted a spee=
di-sleeve without replacing the seal and the leak disappeared.
=20
Dave=20

=20
=20
-----Original Message-----
From: dave <[email-masked]>
To: [email-masked]
Sent: Tue, Jul 13, 2021 11:01 am
Subject: [TR] early TR4

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filtered {}#yiv7723446019 div.yiv7723446019WordSection1 {}-->Approx. 9600 s=
erial number; its essentially a TR3. =C2=A0The rear end leaks profusely.=C2=
=A0 I understand there is/are seal(s) that need to be replaced; its not the=
 diff cover gasket.=C2=A0 BTDT =C2=A0Is there a link somewhere to the proce=
ss and parts needed? =C2=A0Recommendations on upgrade(s)?=C2=A0  =C2=A0Than=
ks!** [email-masked] **

Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archiv=
e

[email-masked]

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<div style="color:black;font: 12pt Arial, Helvetica, sans-serif;">
<div> <font size="3">Yes, there is a rubber lip seal.&nbsp; Moss has one </font>520-090<font size="3"> and I'm sure TRF carries them, too.&nbsp; It seals up against the flang and odds are really good that the surface upon which the seal rides has a groove worn into it.&nbsp; The seal will not seal very well against a groove.&nbsp; Whenever I replace a seal I fit a speedi-sleeve on the riding surface.&nbsp; In this case it would be Moss P/N </font><font size="3">520-500 or equivalent.&nbsp; <br>
</font></div>

<div><font size="3"><br>
</font></div>

<div><font size="3">They ain't cheap but they work miracles.&nbsp; I had a TR6 with a pinion seal leak.&nbsp; A new seal worked OK for a while but the leak returned.&nbsp; Years later I had the diff out (for whatever reason) so I fitted a speedi-sleeve without replacing the seal and the leak disappeared.<br>
</font></div>

<div> <br>
</div>

<div style="clear:both"><font size="4">Dave </font><br>
<br>
</div>

<div> <br>
</div>

<div> <br>
</div>

<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font size="2">-----Original Message-----<br>
From: dave &lt;[email-masked]&gt;<br>
To: [email-masked]<br>
Sent: Tue, Jul 13, 2021 11:01 am<br>
Subject: [TR] early TR4<br>
<br>

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<div class="yiv7723446019WordSection1">
<div class="yiv7723446019MsoNormal">Approx. 9600 serial number; its essentially a TR3.</div>

<div class="yiv7723446019MsoNormal"> &nbsp;</div>

<div class="yiv7723446019MsoNormal">The rear end leaks profusely.&nbsp; I understand there is/are seal(s) that need to be replaced; its not the diff cover gasket.&nbsp; BTDT</div>

<div class="yiv7723446019MsoNormal"> &nbsp;</div>

<div class="yiv7723446019MsoNormal">Is there a link somewhere to the process and parts needed?</div>

<div class="yiv7723446019MsoNormal"> &nbsp;</div>

<div class="yiv7723446019MsoNormal">Recommendations on upgrade(s)?&nbsp; </div>

<div class="yiv7723446019MsoNormal"> &nbsp;</div>

<div class="yiv7723446019MsoNormal">Thanks!</div>
</div>
</div>
</div>
** <a ymailto="mailto:[email-masked]" href="mailto:[email-masked]">[email-masked]</a> **<br>
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Archive: http://www.team.net/pipermail/triumphs  http://www.team.net/archive

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From: Cliff Hansen <[email-masked]>
Date: Tue, 13 Jul 2021 16:54:42 +0000

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Dave,

The only other place I can think of to leak is the pinion seal at the front=
. There=92s a chance that the old seal has worn a groove in the pinion flan=
ge, which can be remedied by a Speedi-sleeve.

When I removed the seal from my 4A IRS=92s diff, the seal material was leat=
her and it was leaking terribly.

If you are going to change the seal yourself, I would mark the position of =
the castle nut relative to the pinion input shaft, and reinstall to the sam=
e position. The nut sets the preload for the pinion bearings, and assuming =
your car uses the solid spacer removing and replacing that nut to the same =
position shouldn=92t change the preload.  That=92s the best I understand it=
.

Cliff

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=3D550986> for Window=
s 10

Sent: Tuesday, July 13, 2021 10:12 AM
Subject: [TR] early TR4

Approx. 9600 serial number; its essentially a TR3.

The rear end leaks profusely.  I understand there is/are seal(s) that need =
to be replaced; its not the diff cover gasket.  BTDT

Is there a link somewhere to the process and parts needed?

Recommendations on upgrade(s)?

Thanks!

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<p class=3D"MsoNormal">Dave,</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The only other place I can think of to leak is the p=
inion seal at the front. There=92s a chance that the old seal has worn a gr=
oove in the pinion flange, which can be remedied by a Speedi-sleeve.</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">When I removed the seal from my 4A IRS=92s diff, the=
 seal material was leather and it was leaking terribly.</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">If you are going to change the seal yourself, I woul=
d mark the position of the castle nut relative to the pinion input shaft, a=
nd reinstall to the same position. The nut sets the preload for the pinion =
bearings, and assuming your car uses
 the solid spacer removing and replacing that nut to the same position shou=
ldn=92t change the preload.&nbsp; That=92s the best I understand it.</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Cliff</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Sent from <a href=3D"https://go.microsoft.com/fwlink=
/?LinkId=3D550986">
Mail</a> for Windows 10</p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
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1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class=3D"MsoNormal" style=3D"border:none;padding:0in"><b>From: </b><a hr=
ef=3D"mailto:[email-masked]">dave</a><br>
<b>Sent: </b>Tuesday, July 13, 2021 10:12 AM<br>
<b>To: </b><a href=3D"mailto:[email-masked]">[email-masked]=
et</a><br>
<b>Subject: </b>[TR] early TR4</p>
</div>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Approx. 9600 serial number; its essentially a TR3.<o=
:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">The rear end leaks profusely.&nbsp; I understand the=
re is/are seal(s) that need to be replaced; its not the diff cover gasket.&=
nbsp; BTDT<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Is there a link somewhere to the process and parts n=
eeded?<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Recommendations on upgrade(s)?&nbsp; <o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
<p class=3D"MsoNormal">Thanks!<o:p></o:p></p>
<p class=3D"MsoNormal"><o:p>&nbsp;</o:p></p>
</div>
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From: Michael Marr <[email-masked]>
Date: Tue, 13 Jul 2021 17:37:32 +0000

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