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<div> <font size="3">Yes, there is a rubber lip seal. Moss has one </font>520-090<font size="3"> and I'm sure TRF carries them, too. 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. The seal will not seal very well against a groove. Whenever I replace a seal I fit a speedi-sleeve on the riding surface. In this case it would be Moss P/N </font><font size="3">520-500 or equivalent. <br>
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<div><font size="3">They ain't cheap but they work miracles. I had a TR6 with a pinion seal leak. A new seal worked OK for a while but the leak returned. 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>
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<div style="clear:both"><font size="4">Dave </font><br>
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<div style="font-family:arial,helvetica;font-size:10pt;color:black"><font size="2">-----Original Message-----<br>
From: dave <dave@ranteer.com><br>
To: triumphs@autox.team.net<br>
Sent: Tue, Jul 13, 2021 11:01 am<br>
Subject: [TR] early TR4<br>
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<div class="yiv7723446019MsoNormal">Approx. 9600 serial number; its essentially a TR3.</div>
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<div class="yiv7723446019MsoNormal">The rear end leaks profusely. I understand there is/are seal(s) that need to be replaced; its not the diff cover gasket. BTDT</div>
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<div class="yiv7723446019MsoNormal">Is there a link somewhere to the process and parts needed?</div>
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<div class="yiv7723446019MsoNormal">Recommendations on upgrade(s)? </div>
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<div class="yiv7723446019MsoNormal">Thanks!</div>
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