[TR] early TR4

[DAVID MASSEY]

 Yes, there is a rubber lip seal.  Moss has one 520-090 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 520-500 or equivalent.  

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.
 
Dave 

 
 
-----Original Message-----
From: dave <dave at ranteer.com>
To: triumphs at autox.team.net
Sent: Tue, Jul 13, 2021 11:01 am
Subject: [TR] early TR4

<!--#yiv7723446019 _filtered {} _filtered {}#yiv7723446019 #yiv7723446019 p.yiv7723446019MsoNormal, #yiv7723446019 li.yiv7723446019MsoNormal, #yiv7723446019 div.yiv7723446019MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", sans-serif;}#yiv7723446019 span.yiv7723446019EmailStyle17 {font-family:"Calibri", sans-serif;color:windowtext;}#yiv7723446019 .yiv7723446019MsoChpDefault {font-family:"Calibri", sans-serif;} _filtered {}#yiv7723446019 div.yiv7723446019WordSection1 {}-->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!** triumphs at autox.team.net **

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